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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2024-10-07 19:19
Tx date 2024-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,868.8688
-4,833 vol
$0.59 each
1,044,213
Filed 2024-10-07 19:19
Tx date 2024-10-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,268.7356
-3,947 vol
$0.57 each
1,049,046
Filed 2024-10-07 19:18
Tx date 2024-10-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-801.4336
-1,423 vol
$0.56 each
1,052,993
Filed 2024-10-07 19:17
Tx date 2024-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-50,555.1312
-85,167 vol
$0.59 each
24,586,710
Filed 2024-10-07 19:16
Tx date 2024-10-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-39,979.0644
-69,553 vol
$0.57 each
24,671,877
Filed 2024-10-07 19:15
Tx date 2024-10-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-14,123.3664
-25,077 vol
$0.56 each
24,741,430
Filed 2024-10-04 16:26
Tx date 2024-10-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$27,028
+52,997 vol
$0.51 each
3,204,119
Filed 2024-10-04 16:25
Tx date 2024-10-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$18,009
+36,019 vol
$0.50 each
3,151,122
Filed 2024-10-04 12:44
Tx date 2024-10-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+195,482 vol
3,115,103
Filed 2024-10-04 12:42
Tx date 2024-10-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-195,482 vol
195,483
Filed 2024-09-27 23:58
Tx date 2024-09-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-597.7884
-1,074 vol
$0.56 each
1,054,416
Filed 2024-09-27 23:58
Tx date 2024-09-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,777.7826
-3,114 vol
$0.57 each
1,055,490
Filed 2024-09-27 23:57
Tx date 2024-09-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-5,143.2786
-9,129 vol
$0.56 each
1,058,604
Filed 2024-09-27 23:56
Tx date 2024-09-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,888.952
-3,544 vol
$0.53 each
1,067,733
Filed 2024-09-27 23:56
Tx date 2024-09-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,410.8589
-2,739 vol
$0.52 each
1,071,277
Filed 2024-09-27 23:55
Tx date 2024-09-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-10,534.2116
-18,926 vol
$0.56 each
24,766,507
Filed 2024-09-27 23:54
Tx date 2024-09-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-31,334.4174
-54,886 vol
$0.57 each
24,785,433
Filed 2024-09-27 23:54
Tx date 2024-09-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-90,634.7214
-160,871 vol
$0.56 each
24,840,319
Filed 2024-09-27 23:53
Tx date 2024-09-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-33,289.048
-62,456 vol
$0.53 each
25,001,190
Filed 2024-09-27 23:53
Tx date 2024-09-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-24,859.2411
-48,261 vol
$0.52 each
25,063,646
Filed 2024-09-20 20:53
Tx date 2024-09-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,900.0534
-7,598 vol
$0.51 each
1,074,016
Filed 2024-09-20 20:52
Tx date 2024-09-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,432.916
-4,860 vol
$0.50 each
1,081,614
Filed 2024-09-20 20:51
Tx date 2024-09-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,379.7408
-2,846 vol
$0.4848 each
1,086,474
Filed 2024-09-20 20:50
Tx date 2024-09-17
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,308.126
-8,994 vol
$0.479 each
1,089,320
Filed 2024-09-20 20:49
Tx date 2024-09-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,366.9632
-2,792 vol
$0.4896 each
1,098,314
Filed 2024-09-20 20:47
Tx date 2024-09-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-68,731.8966
-133,902 vol
$0.51 each
25,111,907
Filed 2024-09-20 20:46
Tx date 2024-09-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-42,871.384
-85,640 vol
$0.50 each
25,245,809
Filed 2024-09-20 20:45
Tx date 2024-09-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-24,314.6592
-50,154 vol
$0.4848 each
25,331,449
Filed 2024-09-20 20:44
Tx date 2024-09-17
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-75,924.374
-158,506 vol
$0.479 each
25,381,603
Filed 2024-09-20 20:43
Tx date 2024-09-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-24,092.2368
-49,208 vol
$0.4896 each
25,540,109
Filed 2024-09-17 10:56
Tx date 2024-09-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+84,044 vol
222,344
Filed 2024-09-17 10:55
Tx date 2024-09-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-120,063 vol
213,894
Filed 2024-09-11 10:49
Tx date 2024-09-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Menera, Jose Noel Gomez
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+42,572 vol
42,572
Filed 2024-09-11 10:48
Tx date 2023-09-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Menera, Jose Noel Gomez
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2024-09-11 10:45
Tx date 2024-09-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Menera, Jose Noel Gomez
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-60,817 vol
239,363
Filed 2024-09-05 19:12
Tx date 2024-09-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-9,801.7754
-18,926 vol
$0.52 each
25,589,317
Filed 2024-09-05 19:11
Tx date 2024-08-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-73,853.9835
-141,945 vol
$0.52 each
25,608,243
Filed 2024-09-05 19:10
Tx date 2024-09-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-556.2246
-1,074 vol
$0.52 each
1,101,106
Filed 2024-09-05 19:10
Tx date 2024-08-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,191.0165
-8,055 vol
$0.52 each
1,102,180
Filed 2024-09-05 09:05
Tx date 2024-09-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$7,500
+15,000 vol
$0.50 each
2,919,621
Filed 2024-09-05 09:04
Tx date 2024-09-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$5,218
+10,500 vol
$0.497 each
2,904,621
Filed 2024-09-03 12:14
Tx date 2024-08-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Fort del Rio, Jean Pierre
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
59 - Exercise for cash
$-28,875.2327
-43,441 vol
$0.66 each
179,662
Filed 2024-09-03 12:08
Tx date 2024-08-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Garcia, Carlos Rosales
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
59 - Exercise for cash
$-40,425.0599
-60,817 vol
$0.66 each
278,105
Filed 2024-09-03 12:05
Tx date 2024-08-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
59 - Exercise for cash
$-40,425.0599
-60,817 vol
$0.66 each
342,914
Filed 2024-08-27 12:40
Tx date 2024-08-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+30,409 vol
223,622
Filed 2024-08-27 12:38
Tx date 2024-08-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-43,441 vol
289,401
Filed 2024-08-26 11:46
Tx date 2024-08-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-40,759.0336
-75,704 vol
$0.54 each
25,750,188
Filed 2024-08-26 11:45
Tx date 2024-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-9,991.0354
-18,926 vol
$0.53 each
25,825,892
Filed 2024-08-26 11:45
Tx date 2024-08-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,312.9664
-4,296 vol
$0.54 each
1,110,235
Filed 2024-08-26 11:44
Tx date 2024-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-566.9646
-1,074 vol
$0.53 each
1,114,531
Filed 2024-08-19 22:15
Tx date 2024-08-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-38,510.6248
-75,704 vol
$0.51 each
25,844,818
Filed 2024-08-19 22:14
Tx date 2024-08-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-9,500.852
-18,926 vol
$0.50 each
25,920,522
Filed 2024-08-19 22:13
Tx date 2024-08-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,185.3752
-4,296 vol
$0.51 each
1,115,605
Filed 2024-08-19 22:12
Tx date 2024-08-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-539.148
-1,074 vol
$0.50 each
1,119,901
Filed 2024-08-16 09:48
Tx date 2024-08-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$27,300
+39,000 vol
$0.70 each
138,300
Filed 2024-08-15 09:49
Tx date 2024-08-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$6,825
+10,500 vol
$0.65 each
99,300
Filed 2024-08-15 09:46
Tx date 2024-08-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$24,000
+50,000 vol
$0.48 each
406,131
Filed 2024-08-15 09:42
Tx date 2024-08-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$24,795
+52,200 vol
$0.475 each
2,894,121
Filed 2024-08-12 17:34
Tx date 2024-08-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-24,031.2885
-47,315 vol
$0.51 each
25,939,448
Filed 2024-08-12 17:33
Tx date 2024-08-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,363.7115
-2,685 vol
$0.51 each
1,120,975
Filed 2024-08-05 16:37
Tx date 2024-07-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-21,067.314
-38,798 vol
$0.54 each
25,986,763
Filed 2024-08-05 16:36
Tx date 2024-07-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,195.686
-2,202 vol
$0.54 each
1,123,660
Filed 2024-07-26 23:10
Tx date 2024-07-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-45,293.2725
-83,275 vol
$0.54 each
26,025,561
Filed 2024-07-26 23:09
Tx date 2024-07-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,082.796
-1,893 vol
$0.57 each
26,108,836
Filed 2024-07-26 23:08
Tx date 2024-07-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-37,570.743
-65,295 vol
$0.58 each
26,110,729
Filed 2024-07-26 23:08
Tx date 2024-07-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,569.9275
-4,725 vol
$0.54 each
1,125,862
Filed 2024-07-26 23:07
Tx date 2024-07-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-61.204
-107 vol
$0.57 each
1,130,587
Filed 2024-07-26 23:07
Tx date 2024-07-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,131.857
-3,705 vol
$0.58 each
1,130,694
Filed 2024-07-05 21:48
Tx date 2024-07-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-29,146.04
-47,315 vol
$0.62 each
26,176,024
Filed 2024-07-05 21:47
Tx date 2024-07-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-27,456.8945
-47,315 vol
$0.58 each
26,223,339
Filed 2024-07-05 21:47
Tx date 2024-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-56,673.2859
-98,889 vol
$0.57 each
26,270,654
Filed 2024-07-05 21:46
Tx date 2024-07-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,653.96
-2,685 vol
$0.62 each
1,134,399
Filed 2024-07-05 21:45
Tx date 2024-07-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,558.1055
-2,685 vol
$0.58 each
1,137,084
Filed 2024-07-05 21:44
Tx date 2024-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,215.6641
-5,611 vol
$0.57 each
1,139,769
Filed 2024-07-04 08:14
Tx date 2024-07-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
59 - Exercise for cash
$-113,379.56
-195,482 vol
$0.58 each
390,965
Filed 2024-07-03 11:16
Tx date 2024-07-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Fort del Rio, Jean Pierre
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
223,103
Filed 2024-07-03 11:15
Tx date 2024-07-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Fort del Rio, Jean Pierre
5 - Senior Officer of Issuer
Direct Ownership
Options
00 - Opening Balance-Initial SEDI Report
Filed 2024-07-03 11:15
Tx date 2024-07-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Fort del Rio, Jean Pierre
5 - Senior Officer of Issuer
Direct Ownership
Warrants
00 - Opening Balance-Initial SEDI Report
Filed 2024-07-03 11:15
Tx date 2024-07-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Fort del Rio, Jean Pierre
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2024-07-02 19:20
Tx date 2024-06-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-85,178.7048
-145,257 vol
$0.59 each
26,369,543
Filed 2024-07-02 19:19
Tx date 2024-06-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,833.6952
-8,243 vol
$0.59 each
1,145,380
Filed 2024-06-30 09:24
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Astorga, Roberto Fernando Maldonado
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,800 vol
170,800
Filed 2024-06-28 21:03
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Astorga, Roberto Fernando Maldonado
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2024-06-28 15:41
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kaufman, Wendy
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,800 vol
497,329
Filed 2024-06-28 14:23
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Orrantia, Beatriz
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,800 vol
523,185
Filed 2024-06-28 13:59
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,800 vol
632,740
Filed 2024-06-28 13:56
Tx date 2024-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+251,820 vol
713,760
Filed 2024-06-26 21:16
Tx date 2024-06-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-82,867.491
-141,945 vol
$0.58 each
26,514,800
Filed 2024-06-26 21:15
Tx date 2024-06-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-24,947.2254
-40,218 vol
$0.62 each
26,656,745
Filed 2024-06-26 21:15
Tx date 2024-06-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,407.237
-7,097 vol
$0.62 each
26,696,963
Filed 2024-06-26 21:14
Tx date 2024-06-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,702.509
-8,055 vol
$0.58 each
1,153,623
Filed 2024-06-26 21:13
Tx date 2024-06-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,415.5246
-2,282 vol
$0.62 each
1,161,678
Filed 2024-06-26 21:13
Tx date 2024-06-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-250.263
-403 vol
$0.62 each
1,163,960
Filed 2024-06-17 21:12
Tx date 2024-05-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-60,155.7518
-86,146 vol
$0.70 each
26,850,263
Filed 2024-06-17 21:10
Tx date 2024-06-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-77,920.2346
-123,019 vol
$0.63 each
26,704,060
Filed 2024-06-17 21:10
Tx date 2024-06-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-11,857.139
-18,926 vol
$0.63 each
26,827,079
Filed 2024-06-17 21:09
Tx date 2024-06-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,421.7654
-6,981 vol
$0.63 each
1,164,363
Filed 2024-06-17 21:08
Tx date 2024-06-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-672.861
-1,074 vol
$0.63 each
1,171,344
Filed 2024-06-17 21:06
Tx date 2024-05-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-60,155.7518
-86,146 vol
$0.70 each
Filed 2024-06-17 21:02
Tx date 2024-05-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-6,531.8982
-9,354 vol
$0.70 each
1,172,660
Filed 2024-05-24 19:01
Tx date 2024-05-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-66,687.65
-95,500 vol
$0.70 each
Filed 2024-05-24 19:02
Tx date 2024-05-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,052.5602
-4,258 vol
$0.72 each
26,932,151
Filed 2024-05-24 19:01
Tx date 2024-05-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-173.4898
-242 vol
$0.72 each
1,086,272
Filed 2024-05-24 19:01
Tx date 2024-05-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-66,687.65
-95,500 vol
$0.70 each
1,086,514
Filed 2024-05-24 19:00
Tx date 2024-05-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-35,515
-50,000 vol
$0.71 each
1,182,014
Filed 2024-05-17 17:45
Tx date 2024-05-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-55,423.55
-84,500 vol
$0.66 each
1,232,014
Filed 2024-05-10 17:35
Tx date 2024-05-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-314.45
-500 vol
$0.63 each
1,316,514
Filed 2024-05-10 17:34
Tx date 2024-05-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-31,130
-50,000 vol
$0.62 each
1,317,014
Filed 2024-05-04 18:41
Tx date 2024-04-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+136,837 vol
2,841,921
Filed 2024-05-04 18:37
Tx date 2024-04-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-195,482 vol
586,447
Filed 2024-05-03 17:36
Tx date 2024-04-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-28,345.3697
-46,369 vol
$0.61 each
26,936,409
Filed 2024-05-03 17:35
Tx date 2024-05-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-39,053.80
-62,000 vol
$0.63 each
1,367,014
Filed 2024-05-03 17:34
Tx date 2024-05-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-30,690
-50,000 vol
$0.61 each
1,429,014
Filed 2024-05-03 17:33
Tx date 2024-05-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-29,487.15
-49,500 vol
$0.60 each
1,479,014
Filed 2024-05-03 17:33
Tx date 2024-04-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,608.3303
-2,631 vol
$0.61 each
1,528,514
Filed 2024-04-26 19:50
Tx date 2024-04-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-9,093.6846
-15,141 vol
$0.60 each
26,982,778
Filed 2024-04-26 19:49
Tx date 2024-04-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-259,607.5794
-444,762 vol
$0.58 each
26,997,919
Filed 2024-04-26 19:49
Tx date 2024-04-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-67,398.9312
-114,976 vol
$0.59 each
27,442,681
Filed 2024-04-26 19:48
Tx date 2024-04-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-16,416.4026
-27,443 vol
$0.60 each
27,557,657
Filed 2024-04-26 19:46
Tx date 2024-04-26
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-515.9154
-859 vol
$0.60 each
1,531,145
Filed 2024-04-26 19:46
Tx date 2024-04-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-14,731.4206
-25,238 vol
$0.58 each
1,532,004
Filed 2024-04-26 19:45
Tx date 2024-04-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,824.3688
-6,524 vol
$0.59 each
1,557,242
Filed 2024-04-26 19:44
Tx date 2024-04-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-931.3974
-1,557 vol
$0.60 each
1,563,766
Filed 2024-04-22 19:13
Tx date 2024-04-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-17,127.0837
-28,389 vol
$0.60 each
27,585,100
Filed 2024-04-22 19:12
Tx date 2024-04-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-23,445.6314
-38,798 vol
$0.60 each
27,613,489
Filed 2024-04-22 19:11
Tx date 2024-04-17
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,560.168
-7,570 vol
$0.60 each
27,652,287
Filed 2024-04-22 19:11
Tx date 2024-04-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,556.5032
-4,258 vol
$0.60 each
27,659,857
Filed 2024-04-22 19:10
Tx date 2024-04-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-9,627.5924
-15,614 vol
$0.62 each
27,664,115
Filed 2024-04-22 19:09
Tx date 2024-04-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-971.9163
-1,611 vol
$0.60 each
1,565,323
Filed 2024-04-22 19:07
Tx date 2024-04-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,330.6686
-2,202 vol
$0.60 each
1,566,934
Filed 2024-04-22 19:06
Tx date 2024-04-17
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-259.032
-430 vol
$0.60 each
1,569,136
Filed 2024-04-22 19:06
Tx date 2024-04-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-145.2968
-242 vol
$0.60 each
1,569,566
Filed 2024-04-22 19:05
Tx date 2024-04-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-546.3076
-886 vol
$0.62 each
1,569,808
Filed 2024-04-12 20:46
Tx date 2024-04-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-58,951.2768
-95,576 vol
$0.62 each
27,679,729
Filed 2024-04-12 20:45
Tx date 2024-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,905.448
-4,732 vol
$0.61 each
27,775,305
Filed 2024-04-12 20:45
Tx date 2024-04-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-27,535.0916
-44,476 vol
$0.62 each
27,780,037
Filed 2024-04-12 20:44
Tx date 2024-04-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,665.508
-4,258 vol
$0.63 each
27,824,513
Filed 2024-04-12 20:43
Tx date 2024-04-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,345.5232
-5,424 vol
$0.62 each
1,570,694
Filed 2024-04-12 20:42
Tx date 2024-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-164.552
-268 vol
$0.61 each
1,576,118
Filed 2024-04-12 20:42
Tx date 2024-04-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,562.6084
-2,524 vol
$0.62 each
1,576,386
Filed 2024-04-12 20:41
Tx date 2024-04-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-151.492
-242 vol
$0.63 each
1,578,910
Filed 2024-04-04 21:02
Tx date 2024-04-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-59,330.7484
-104,566 vol
$0.57 each
27,828,771
Filed 2024-04-04 21:01
Tx date 2024-04-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-12,287.3738
-20,819 vol
$0.59 each
27,933,337
Filed 2024-04-04 21:00
Tx date 2024-04-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,366.9516
-5,934 vol
$0.57 each
1,579,152
Filed 2024-04-04 20:59
Tx date 2024-04-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-697.0262
-1,181 vol
$0.59 each
1,585,086
Filed 2024-04-02 11:16
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+199,826 vol
450,484
Filed 2024-04-02 11:04
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+78,528 vol
332,842
Filed 2024-04-02 11:02
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Menera, Jose Noel Gomez
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+56,912 vol
300,180
Filed 2024-04-02 11:00
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+93,831 vol
333,957
Filed 2024-04-02 10:59
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Garcia, Carlos Rosales
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+95,654 vol
338,922
Filed 2024-04-02 10:57
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+85,500 vol
403,731
Filed 2024-04-02 10:55
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Llamosas, Jose Antonio Fernandez-Baca
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+364,900 vol
608,168
Filed 2024-04-02 10:52
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+781,929 vol
781,929
Filed 2024-04-02 10:49
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+76,704 vol
160,209
Filed 2024-04-02 10:48
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-153,407 vol
250,658
Filed 2024-04-02 10:44
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,361 vol
6,721
Filed 2024-04-02 10:43
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-3,361 vol
0
Filed 2024-04-02 10:41
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-10,570 vol
1
Filed 2024-04-02 10:39
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+10,570 vol
518,385
Filed 2024-04-02 10:38
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
58 - Expiration of rights

-10,570 vol
Filed 2024-04-02 10:36
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+33,810 vol
193,213
Filed 2024-04-02 10:35
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
54 - Exercise of warrants

-48,300 vol
254,314
Filed 2024-04-02 10:32
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,361 vol
274,487
Filed 2024-04-02 10:30
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-3,361 vol
0
Filed 2024-04-02 10:25
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,361 vol
Filed 2024-04-02 10:24
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,361 vol
Filed 2024-04-02 10:15
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+26,237 vol
51,237
Filed 2024-04-02 10:10
Tx date 2024-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-37,482 vol
318,231
Filed 2024-03-28 16:12
Tx date 2024-03-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-10,002.24
-16,560 vol
$0.60 each
27,954,156
Filed 2024-03-28 16:11
Tx date 2024-03-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-567.76
-940 vol
$0.60 each
1,586,267
Filed 2024-03-22 09:55
Tx date 2024-03-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-12,023.5924
-21,292 vol
$0.56 each
27,970,716
Filed 2024-03-22 09:54
Tx date 2024-03-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-10,888.688
-17,980 vol
$0.61 each
27,992,008
Filed 2024-03-22 09:53
Tx date 2024-03-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,411.3296
-8,044 vol
$0.55 each
28,009,988
Filed 2024-03-22 09:52
Tx date 2024-03-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-682.1576
-1,208 vol
$0.56 each
1,587,207
Filed 2024-03-22 09:51
Tx date 2024-03-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-617.712
-1,020 vol
$0.61 each
1,588,415
Filed 2024-03-22 09:50
Tx date 2024-03-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-250.0704
-456 vol
$0.55 each
1,589,435
Filed 2024-03-20 08:34
Tx date 2024-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero Sanchez, Astolfo
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2024-02-23 18:50
Tx date 2024-02-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-60,582.126
-94,630 vol
$0.64 each
28,018,032
Filed 2024-02-23 18:49
Tx date 2024-02-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-27,986.8225
-47,315 vol
$0.59 each
28,112,662
Filed 2024-02-23 18:48
Tx date 2024-02-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,437.874
-5,370 vol
$0.64 each
1,589,891
Filed 2024-02-23 18:47
Tx date 2024-02-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,588.1775
-2,685 vol
$0.59 each
1,595,261
Filed 2024-02-09 20:55
Tx date 2024-02-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
302,614
Filed 2024-02-09 20:55
Tx date 2024-02-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cubillas, Claudio Zavaleta
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
159,403
Filed 2024-02-09 20:50
Tx date 2023-09-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Menera, Jose Noel Gomez
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
243,268
Filed 2024-02-09 20:42
Tx date 2023-09-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
240,126
Filed 2024-02-09 20:42
Tx date 2023-09-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kosa, Patricia Munoz
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
88,800
Filed 2024-02-09 20:37
Tx date 2023-01-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Garcia, Carlos Rosales
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
243,268
Filed 2024-02-09 20:31
Tx date 2021-11-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
355,713
Filed 2024-02-09 20:30
Tx date 2021-11-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Calle, Alberto San Roman
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
25,000
Filed 2024-02-06 15:54
Tx date 2024-02-05
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-14,012.307
-21,765 vol
$0.64 each
28,159,977
Filed 2024-02-06 15:53
Tx date 2024-01-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-67,064.281
-94,630 vol
$0.71 each
28,181,742
Filed 2024-02-06 15:53
Tx date 2024-01-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-228,929.5008
-378,521 vol
$0.60 each
28,276,372
Filed 2024-02-06 15:52
Tx date 2024-02-05
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-795.093
-1,235 vol
$0.64 each
1,597,946
Filed 2024-02-06 15:51
Tx date 2024-01-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,805.719
-5,370 vol
$0.71 each
1,599,181
Filed 2024-02-06 15:51
Tx date 2024-01-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-12,990.4992
-21,479 vol
$0.60 each
1,604,551
Filed 2024-01-02 19:39
Tx date 2023-12-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,071.0594
-1,893 vol
$0.57 each
28,654,893
Filed 2024-01-02 19:38
Tx date 2023-12-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-60.5406
-107 vol
$0.57 each
1,626,030
Filed 2024-01-02 13:20
Tx date 2024-01-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-1,550,120 vol
0
Filed 2024-01-02 13:12
Tx date 2024-01-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+1,085,084 vol
2,705,084
Filed 2024-01-02 13:01
Tx date 2024-01-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-1,550,120 vol
Filed 2023-12-23 14:24
Tx date 2023-12-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-179,993.4213
-310,387 vol
$0.58 each
28,656,786
Filed 2023-12-23 14:23
Tx date 2023-12-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-124,842.5983
-216,703 vol
$0.58 each
28,967,173
Filed 2023-12-23 14:22
Tx date 2023-12-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-192,566.283
-351,078 vol
$0.55 each
29,183,876
Filed 2023-12-23 14:21
Tx date 2023-12-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-10,213.7787
-17,613 vol
$0.58 each
1,626,137
Filed 2023-12-23 14:20
Tx date 2023-12-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-7,084.3017
-12,297 vol
$0.58 each
1,643,750
Filed 2023-12-23 14:19
Tx date 2023-12-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-10,927.217
-19,922 vol
$0.55 each
1,656,047
Filed 2023-12-21 18:22
Tx date 2023-12-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-29,888.3241
-55,359 vol
$0.54 each
29,534,954
Filed 2023-12-21 18:21
Tx date 2023-12-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-7,578.1083
-13,721 vol
$0.55 each
29,590,313
Filed 2023-12-21 18:21
Tx date 2023-12-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,695.8259
-3,141 vol
$0.54 each
1,675,969
Filed 2023-12-21 18:20
Tx date 2023-12-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-430.2417
-779 vol
$0.55 each
1,679,110
Filed 2023-12-18 18:18
Tx date 2021-07-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Restricted Share Unit
58 - Expiration of rights

-155,969 vol
0
Filed 2023-12-18 18:17
Tx date 2023-12-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-119,858.4293
-216,703 vol
$0.55 each
29,604,034
Filed 2023-12-18 18:16
Tx date 2023-12-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-69,435.8586
-125,858 vol
$0.55 each
29,820,737
Filed 2023-12-18 18:15
Tx date 2023-12-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,593.136
-4,732 vol
$0.55 each
29,946,595
Filed 2023-12-18 18:15
Tx date 2023-12-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-20,602.8436
-37,852 vol
$0.54 each
29,951,327
Filed 2023-12-18 18:14
Tx date 2023-12-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-40,986.1456
-75,704 vol
$0.54 each
29,989,179
Filed 2023-12-18 18:13
Tx date 2023-12-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-6,801.4707
-12,297 vol
$0.55 each
1,679,889
Filed 2023-12-18 18:12
Tx date 2023-12-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-3,940.2414
-7,142 vol
$0.55 each
1,692,186
Filed 2023-12-18 18:12
Tx date 2023-12-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-146.864
-268 vol
$0.55 each
1,699,328
Filed 2023-12-18 18:11
Tx date 2023-12-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,169.1564
-2,148 vol
$0.54 each
1,699,596
Filed 2023-12-18 18:11
Tx date 2023-12-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,325.8544
-4,296 vol
$0.54 each
1,701,744
Filed 2023-11-06 13:17
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$135,329
+356,131 vol
$0.38 each
356,131
Filed 2023-11-06 13:14
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Holder: Oscar Cabrera Consulting Inc. (Control or Direction)
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$50,000
+131,579 vol
$0.38 each
131,579
Filed 2023-11-06 13:13
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Holder: Oscar Cabrera Consulting Inc. (Control or Direction)
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2023-11-06 12:00
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$100,474
+264,406 vol
$0.38 each
271,126
Filed 2023-11-06 11:53
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$20,000
+52,632 vol
$0.38 each
83,505
Filed 2023-11-06 11:50
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$53,999
+142,105 vol
$0.38 each
296,502
Filed 2023-11-06 11:44
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Llamosas, Jose Antonio Fernandez-Baca
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$67,564
+177,800 vol
$0.38 each
177,800
Filed 2023-11-06 11:44
Tx date 2023-01-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Llamosas, Jose Antonio Fernandez-Baca
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2023-11-06 11:32
Tx date 2023-10-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$406,600
+1,070,000 vol
$0.38 each
1,620,000
Filed 2023-11-05 12:24
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2023-09-05 10:13
Tx date 2023-08-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Llamosas, Jose Antonio Fernandez-Baca
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+243,268 vol
243,268
Filed 2023-09-05 10:11
Tx date 2023-01-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Llamosas, Jose Antonio Fernandez-Baca
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2023-08-22 11:02
Tx date 2023-08-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kaufman, Wendy
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
326,529
Filed 2023-07-04 12:23
Tx date 2023-06-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Deferred Share Units
59 - Exercise for cash
$-32,329.6805
-109,555 vol
$0.2951 each
0
Filed 2023-07-04 12:20
Tx date 2023-06-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
58 - Expiration of rights

-10,570 vol
0
Filed 2023-06-30 15:56
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+352,385 vol
461,940
Filed 2023-06-30 15:56
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburu, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
109,555
Filed 2023-06-30 15:41
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+352,385 vol
461,940
Filed 2023-06-30 15:39
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+352,385 vol
461,940
Filed 2023-06-30 15:38
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+352,385 vol
461,940
Filed 2023-06-30 15:13
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Orrantia, Beatriz
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+352,385 vol
352,385
Filed 2023-06-30 15:12
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Orrantia, Beatriz
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2023-06-30 15:07
Tx date 2023-06-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+519,540 vol
681,063
Filed 2023-06-09 12:19
Tx date 2023-06-05
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+1,550,120 vol
1,550,120
Filed 2023-06-09 12:16
Tx date 2022-11-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2023-04-17 08:17
Tx date 2023-04-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$16,194
+39,500 vol
$0.41 each
550,000
Filed 2023-04-17 08:16
Tx date 2023-04-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Balarezo, Ernesto
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$195.00
+500 vol
$0.39 each
510,500
Filed 2023-04-15 11:12
Tx date 2023-04-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$731.08
+2,450 vol
$0.2984 each
154,397
Filed 2023-04-12 10:11
Tx date 2023-04-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$29,000
+72,500 vol
$0.40 each
510,000
Filed 2023-04-12 10:11
Tx date 2023-04-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$2,800
+7,000 vol
$0.40 each
437,500
Filed 2023-04-12 10:10
Tx date 2023-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$197.50
+500 vol
$0.395 each
430,500
Filed 2023-04-12 10:10
Tx date 2023-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$5,332
+13,500 vol
$0.395 each
430,000
Filed 2023-04-04 15:56
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$526.85
+1,792 vol
$0.294 each
82,130
Filed 2023-04-04 15:55
Tx date 2023-04-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$34.85
+120 vol
$0.2904 each
151,947
Filed 2023-04-04 15:55
Tx date 2023-04-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$7,929
+26,483 vol
$0.2994 each
151,827
Filed 2023-04-04 15:54
Tx date 2023-04-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$4,951
+16,471 vol
$0.3006 each
125,344
Filed 2023-04-04 15:53
Tx date 2023-04-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$8,012
+26,743 vol
$0.2996 each
108,873
Filed 2023-04-04 08:53
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+77,748 vol
134,155
Filed 2023-04-04 08:50
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,360 vol
6,720
Filed 2023-04-04 08:50
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-3,360 vol
3,361
Filed 2023-04-04 08:49
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+29,429 vol
176,057
Filed 2023-04-04 08:47
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-45,275 vol
56,407
Filed 2023-04-04 08:45
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+34,363 vol
80,074
Filed 2023-04-04 08:44
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-34,363 vol
10,570
Filed 2023-04-04 08:42
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+34,363 vol
507,815
Filed 2023-04-04 08:39
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights
$1,180,815,769
+34,363 vol
$34,363 each
Filed 2023-04-04 08:38
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-34,363 vol
10,571
Filed 2023-04-04 08:35
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+16,456 vol
30,873
Filed 2023-04-04 08:31
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-16,456 vol
404,065
Filed 2023-04-04 08:28
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+410,853 vol
420,521
Filed 2023-04-03 16:48
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,360 vol
3,360
Filed 2023-04-03 16:47
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2023-04-03 16:46
Tx date 2023-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-3,360 vol
3,361
Filed 2023-03-31 16:21
Tx date 2023-03-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$21,250
+50,000 vol
$0.425 each
267,500
Filed 2023-03-31 16:20
Tx date 2023-03-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$4,510
+11,000 vol
$0.41 each
217,500
Filed 2023-03-31 16:19
Tx date 2023-03-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$11,745
+29,000 vol
$0.405 each
206,500
Filed 2023-03-31 16:19
Tx date 2023-03-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$43,960
+109,900 vol
$0.40 each
177,500
Filed 2023-03-31 16:18
Tx date 2023-03-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$26,702
+67,600 vol
$0.395 each
67,600
Filed 2023-03-31 16:16
Tx date 2022-11-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Valdez, Ernesto Balarezo
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2023-02-03 08:58
Tx date 2023-01-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+13,838 vol
146,628
Filed 2023-02-03 08:55
Tx date 2023-01-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-21,289 vol
101,682
Filed 2022-07-18 06:24
Tx date 2022-07-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$8,208
+12,000 vol
$0.68 each
80,338
Filed 2022-07-04 10:59
Tx date 2022-06-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
59 - Exercise for cash
$-3,561.60
-3,360 vol
$1.06 each
6,721
Filed 2022-07-04 10:46
Tx date 2022-06-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+3,360 vol
3,360
Filed 2022-07-04 10:44
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2022-07-04 10:43
Tx date 2022-06-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-3,360 vol
6,721
Filed 2022-06-29 14:29
Tx date 2022-06-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$25,750
+25,000 vol
$1.03 each
25,000
Filed 2022-06-29 14:28
Tx date 2022-02-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 12:03
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+10,081 vol
10,081
Filed 2022-06-15 12:00
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 11:58
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+10,081 vol
10,081
Filed 2022-06-15 11:56
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 11:52
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburú Alvarez-Calderón, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
109,555
Filed 2022-06-15 11:50
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
109,555
Filed 2022-06-15 11:47
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+109,555 vol
109,555
Filed 2022-06-15 11:46
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+109,555 vol
109,555
Filed 2022-06-15 11:45
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+109,555 vol
109,555
Filed 2022-06-15 11:43
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+109,555 vol
109,555
Filed 2022-06-15 11:41
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+161,523 vol
161,523
Filed 2022-06-14 12:08
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburú Alvarez-Calderón, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:36
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:17
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
Filed 2022-06-14 11:04
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
Filed 2022-06-14 10:58
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,046 vol
Filed 2022-06-14 10:46
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
Filed 2022-06-14 10:28
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
Filed 2022-06-14 12:08
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Aramburú Alvarez-Calderón, Miguel
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
115,335
Filed 2022-06-14 11:36
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
115,335
Filed 2022-06-14 11:34
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neal, Robert McDowell
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
68,338
Filed 2022-06-14 11:17
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
115,335
Filed 2022-06-14 11:16
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Santa-Cruz Bendezu, Carlos Enrique
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:04
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
115,335
Filed 2022-06-14 11:03
Tx date 2009-06-23
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:58
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+170,046 vol
170,046
Filed 2022-06-14 10:57
Tx date 2021-10-07
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cabrera, Oscar Mariano
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:46
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
115,335
Filed 2022-06-14 10:44
Tx date 2019-07-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:28
Tx date 2022-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Deferred Share Units
56 - Grant of rights

+115,335 vol
115,335
Filed 2022-06-14 10:22
Tx date 2022-02-24
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Whittaker, Dawn Patricia
4 - Director of Issuer
Direct Ownership
Deferred Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2022-05-19 09:47
Tx date 2022-05-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+80,451 vol
122,971
Filed 2022-05-19 09:22
Tx date 2022-05-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+246,286 vol
327,857
Filed 2022-05-19 09:10
Tx date 2022-05-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+560,737 vol
619,532
Filed 2022-04-07 17:52
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-32,315 vol
24,962
Filed 2022-04-07 17:49
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+23,504 vol
337,653
Filed 2022-04-07 17:47
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+32,915 vol
314,149
Filed 2022-04-07 17:46
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-32,915 vol
57,277
Filed 2022-04-07 16:45
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+58,170 vol
473,452
Filed 2022-04-07 16:44
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-58,170 vol
44,934
Filed 2022-04-07 16:40
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+2,417 vol
14,417
Filed 2022-04-07 16:39
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-4,834 vol
9,668
Filed 2022-04-07 16:36
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+44,082 vol
643,223
Filed 2022-04-07 16:35
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-88,163 vol
81,571
Filed 2022-04-07 11:23
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+29,398 vol
149,398
Filed 2022-04-07 11:22
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-29,398 vol
58,795
Filed 2022-04-07 11:19
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+22,726 vol
45,711
Filed 2022-04-07 11:19
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-45,451 vol
44,933
Filed 2022-04-07 11:12
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+58,170 vol
678,831
Filed 2022-04-07 11:12
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-58,170 vol
44,933
Filed 2022-04-07 11:07
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+32,609 vol
128,326
Filed 2022-04-07 11:06
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-65,217 vol
59,026
Filed 2022-04-07 09:59
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+58,436 vol
132,790
Filed 2022-04-07 09:57
Tx date 2022-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-58,436 vol
42,520
Filed 2021-12-10 12:46
Tx date 2021-12-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$68,800
+40,000 vol
$1.72 each
95,717
Filed 2021-04-05 14:56
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arrarte Grau, Ricardo Miguel
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-41,534 vol
97,038
Filed 2021-04-05 14:55
Tx date 2021-03-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arrarte Grau, Ricardo Miguel
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+31,710 vol
138,572
Filed 2021-04-05 14:51
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Management LP (Control or Direction)
Common Shares
57 - Exercise of rights

+41,534 vol
696,437
Filed 2021-04-05 14:50
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Management LP (Control or Direction)
Common Shares
57 - Exercise of rights

+75,109 vol
654,903
Filed 2021-04-05 14:48
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-75,109 vol
155,969
Filed 2021-04-05 14:45
Tx date 2021-03-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+52,850 vol
231,078
Filed 2021-04-01 11:20
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+29,623 vol
55,717
Filed 2021-04-01 11:19
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-59,247 vol
124,243
Filed 2021-04-01 11:17
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+52,850 vol
183,490
Filed 2021-04-01 11:13
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+59,247 vol
415,282
Filed 2021-04-01 11:13
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-59,247 vol
103,104
Filed 2021-04-01 11:11
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+93,953 vol
599,141
Filed 2021-04-01 11:10
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-93,953 vol
169,734
Filed 2021-04-01 11:06
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-59,247 vol
103,103
Filed 2021-04-01 11:05
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+59,247 vol
620,661
Filed 2021-04-01 11:03
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-37,522 vol
60,467
Filed 2021-04-01 11:02
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+18,761 vol
97,656
Filed 2021-04-01 10:59
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-41,470 vol
100,956
Filed 2021-04-01 10:58
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+41,470 vol
74,354
Filed 2021-04-01 10:55
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-34,882 vol
90,384
Filed 2021-04-01 10:54
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+17,441 vol
22,985
Filed 2021-04-01 10:31
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+31,710 vol
162,350
Filed 2021-04-01 10:25
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+88,193 vol
88,193
Filed 2021-04-01 10:25
Tx date 2020-05-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2021-04-01 10:23
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+50,900 vol
142,426
Filed 2021-04-01 10:21
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+14,502 vol
14,502
Filed 2021-04-01 10:19
Tx date 2019-12-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2021-04-01 10:17
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+15,421 vol
97,989
Filed 2021-04-01 10:12
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+31,710 vol
125,266
Filed 2021-03-31 17:01
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+17,616 vol
90,192
Filed 2021-03-31 13:25
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+31,710 vol
162,351
Filed 2021-03-31 13:19
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+97,532 vol
263,687
Filed 2021-02-11 16:25
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital GP Ltd. (Control or Direction)
Common Shares
11 - Acquisition or disposition carried out privately

+10,558,154 vol
10,558,154
Filed 2021-01-25 23:04
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital GP Ltd. (Control or Direction)
Common Shares
11 - Acquisition or disposition carried out privately

+11,090,157 vol
Filed 2021-01-25 23:05
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund L.P. (Control or Direction)
Common Shares
11 - Acquisition or disposition carried out privately

-52,721,964 vol
0
Filed 2021-01-25 23:04
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital GP Ltd. (Control or Direction)
Common Shares
11 - Acquisition or disposition carried out privately

+11,090,157 vol
11,090,157
Filed 2021-01-25 23:03
Tx date 2008-11-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital GP Ltd. (Control or Direction)
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2021-01-25 23:03
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Common Shares
11 - Acquisition or disposition carried out privately

+717,110 vol
717,110
Filed 2021-01-25 23:01
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Common Shares
11 - Acquisition or disposition carried out privately

+717,110 vol
Filed 2021-01-25 23:00
Tx date 2021-01-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Common Shares
11 - Acquisition or disposition carried out privately

+717,110 vol
Filed 2021-01-25 23:00
Tx date 2008-11-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2020-09-22 16:33
Tx date 2020-09-21
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$1,219
+650 vol
$1.88 each
78,895
Filed 2020-06-26 13:50
Tx date 2020-06-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$23,520
+12,000 vol
$1.96 each
12,000
Filed 2020-06-22 19:11
Tx date 2020-06-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$-15,000
-10,000 vol
$1.50 each
0
Filed 2020-06-22 19:11
Tx date 2020-06-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$12,000
+10,000 vol
$1.20 each
10,000
Filed 2020-06-22 19:10
Tx date 2019-12-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vyas, Rajesh
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2020-06-19 16:43
Tx date 2020-06-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$129,600
+120,000 vol
$1.08 each
120,000
Filed 2020-06-19 16:43
Tx date 2020-05-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Marchese, Luis Carlos
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2020-06-12 17:16
Tx date 2020-06-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$245.00
+200 vol
$1.23 each
78,245
Filed 2020-05-19 00:35
Tx date 2020-05-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$497.50
+500 vol
$0.99 each
78,045
Filed 2020-05-02 12:29
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+118,969 vol
178,228
Filed 2020-05-02 12:22
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arrarte Grau, Ricardo Miguel
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
106,862
Filed 2020-04-28 19:40
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
130,640
Filed 2020-04-28 11:47
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
130,641
Filed 2020-04-28 11:44
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+49,648 vol
166,155
Filed 2020-04-28 11:43
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
93,556
Filed 2020-04-28 11:41
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+39,656 vol
72,576
Filed 2020-04-28 11:38
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
130,640
Filed 2020-04-28 11:36
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+15,194 vol
25,533
Filed 2020-04-28 11:35
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+49,457 vol
82,568
Filed 2020-04-28 11:34
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+25,759 vol
91,526
Filed 2020-04-28 11:32
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+125,454 vol
390,666
Filed 2020-04-05 19:35
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Management LP (Control or Direction)
Common Shares
57 - Exercise of rights

+17,740 vol
579,794
Filed 2020-04-05 19:14
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Management LP (Control or Direction)
Common Shares
57 - Exercise of rights

+46,914 vol
562,054
Filed 2020-04-05 19:13
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-46,914 vol
59,259
Filed 2020-04-05 19:10
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arrarte Grau, Ricardo Miguel
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-17,740 vol
35,481
Filed 2020-04-03 19:22
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+18,575 vol
26,094
Filed 2020-04-03 19:20
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-37,149 vol
59,259
Filed 2020-04-03 14:48
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+64,413 vol
505,188
Filed 2020-04-03 14:48
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-128,825 vol
116,507
Filed 2020-04-03 14:46
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+37,531 vol
356,035
Filed 2020-04-03 14:46
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-46,914 vol
59,260
Filed 2020-04-03 14:40
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+20,851 vol
281,234
Filed 2020-04-03 14:40
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-26,064 vol
32,920
Filed 2020-04-03 14:38
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+23,586 vol
77,545
Filed 2020-04-03 14:38
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-47,171 vol
33,111
Filed 2020-04-03 14:37
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+5,544 vol
5,544
Filed 2020-04-03 14:36
Tx date 2019-07-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2020-04-03 14:36
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-11,088 vol
22,175
Filed 2020-04-03 14:34
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+6,098 vol
46,081
Filed 2020-04-03 14:33
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-12,195 vol
10,339
Filed 2020-04-03 14:31
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+191,350 vol
543,336
Filed 2020-04-03 14:31
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-191,350 vol
265,212
Filed 2020-04-03 14:30
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+46,914 vol
561,414
Filed 2020-04-03 14:29
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-46,914 vol
59,259
Filed 2020-04-03 14:28
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

+32,884 vol
32,884
Filed 2020-04-03 14:27
Tx date 2019-05-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2020-04-03 14:27
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Lujan, Alonso
5 - Senior Officer of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-32,884 vol
65,767
Filed 2020-01-02 15:15
Tx date 2019-12-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase

-162,714 vol
0
Filed 2020-01-02 15:14
Tx date 2019-12-12
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$4,070
+2,000 vol
$2.04 each
162,714
Filed 2020-01-02 15:13
Tx date 2019-12-11
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$8,240
+4,200 vol
$1.96 each
160,714
Filed 2020-01-02 15:13
Tx date 2019-12-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$783.00
+400 vol
$1.96 each
156,514
Filed 2020-01-02 15:13
Tx date 2019-12-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$188,939
+99,400 vol
$1.90 each
156,114
Filed 2020-01-02 15:12
Tx date 2019-12-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$7,896
+4,214 vol
$1.87 each
56,714
Filed 2020-01-02 15:12
Tx date 2019-12-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$3,619
+2,000 vol
$1.81 each
52,500
Filed 2020-01-02 15:11
Tx date 2019-12-03
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$90,894
+50,500 vol
$1.80 each
50,500
Filed 2019-12-05 13:58
Tx date 2019-11-28
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase

-169,182 vol
0
Filed 2019-12-05 13:56
Tx date 2019-11-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Sierra Metals Inc.
1 - Issuer
Direct Ownership
Common Shares
38 - Redemption, retraction, cancellation, repurchase
$2,187
+1,200 vol
$1.82 each
169,182
Filed 2019-12-05 13:56
Tx date 2019-11-26
$SMT
Sierra Metals Inc.