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Date Issuer Insider Transaction Amount New Total
Filed 2019-05-14 10:56
Tx date 2019-05-10
$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
Restricted Share Unit
56 - Grant of rights

+71,418 vol
106,173
Filed 2019-04-16 11:22
Tx date 2019-03-29
$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
Common Shares
57 - Exercise of rights

+23,107 vol
515,140
Filed 2019-04-16 11:20
Tx date 2019-03-29
$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
Restricted Share Unit
57 - Exercise of rights

-23,107 vol
34,755
Filed 2019-03-29 07:11
Tx date 2019-03-29
$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
Common Shares
57 - Exercise of rights

+23,147 vol
Filed 2019-03-29 07:08
Tx date 2019-03-29
$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
Restricted Share Unit
57 - Exercise of rights

-23,147 vol
Filed 2019-04-10 15:37
Tx date 2019-01-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Options
50 - Grant of options

+50,000 vol
488,000
Filed 2019-03-29
Tx date 2019-03-29
$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
Restricted Share Unit
57 - Exercise of rights

-23,147 vol
34,715
Filed 2019-03-29
Tx date 2019-03-29
$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
Common Shares
57 - Exercise of rights

+23,147 vol
515,180
Filed 2019-03-01
Tx date 2019-03-01
$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
Common Shares
57 - Exercise of rights

+24,562 vol
492,033
Filed 2019-03-01
Tx date 2019-03-01
$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
Restricted Share Unit
57 - Exercise of rights

-24,562 vol
57,862
Filed 2019-01-16
Tx date 2019-01-11
$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
Common Shares
10 - Acquisition or disposition in the public market
$5,584.80
+2,148 vol
$2.60 each
1,706,040
Filed 2019-01-16
Tx date 2019-01-11
$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
Common Shares
10 - Acquisition or disposition in the public market
$98,415.20
+37,852 vol
$2.60 each
30,064,883
Filed 2019-01-09
Tx date 2019-01-04
$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
Common Shares
10 - Acquisition or disposition in the public market
$3,568.35
+1,401 vol
$2.55 each
1,703,892
Filed 2019-01-09
Tx date 2019-01-04
$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
Common Shares
10 - Acquisition or disposition in the public market
$62,908.35
+24,699 vol
$2.55 each
30,027,031
Filed 2019-01-07
Tx date 2019-01-03
$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
Common Shares
10 - Acquisition or disposition in the public market
$90,199.99
+36,622 vol
$2.46 each
30,002,332
Filed 2019-01-07
Tx date 2018-12-31
$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
Common Shares
10 - Acquisition or disposition in the public market
$159,312.01
+66,242 vol
$2.40 each
29,804,837
Filed 2019-01-07
Tx date 2019-01-03
$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
Common Shares
10 - Acquisition or disposition in the public market
$5,118.11
+2,078 vol
$2.46 each
1,702,491
Filed 2019-01-07
Tx date 2019-01-02
$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
Common Shares
10 - Acquisition or disposition in the public market
$394,138.85
+160,873 vol
$2.45 each
29,965,710
Filed 2019-01-07
Tx date 2018-12-31
$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
Common Shares
10 - Acquisition or disposition in the public market
$9,037.99
+3,758 vol
$2.40 each
1,691,286
Filed 2019-01-07
Tx date 2019-01-02
$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
Common Shares
10 - Acquisition or disposition in the public market
$22,361.15
+9,127 vol
$2.45 each
1,700,413
Filed 2019-01-02
Tx date 2018-12-28
$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
Common Shares
10 - Acquisition or disposition in the public market
$211,972.74
+90,278 vol
$2.35 each
29,738,595
Filed 2019-01-02
Tx date 2018-12-28
$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
Common Shares
10 - Acquisition or disposition in the public market
$12,026.46
+5,122 vol
$2.35 each
1,687,528
Filed 2018-12-31
Tx date 2018-12-27
$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
Common Shares
10 - Acquisition or disposition in the public market
$33,202.10
+14,195 vol
$2.34 each
29,648,317
Filed 2018-12-31
Tx date 2018-12-26
$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
Common Shares
10 - Acquisition or disposition in the public market
$9,303.48
+3,870 vol
$2.40 each
1,681,601
Filed 2018-12-31
Tx date 2018-12-26
$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
Common Shares
10 - Acquisition or disposition in the public market
$163,988.86
+68,215 vol
$2.40 each
29,634,122
Filed 2018-12-31
Tx date 2018-12-27
$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
Common Shares
10 - Acquisition or disposition in the public market
$1,882.89
+805 vol
$2.34 each
1,682,406
Filed 2018-10-11
Tx date 2018-10-09
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$-28,837,964.48
-13,864,406 vol
$2.08 each
13,576,893
Filed 2018-08-23
Tx date 2018-08-17
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Options
50 - Grant of options

+40,000 vol
438,000
Filed 2018-07-27
Tx date 2018-07-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
15 - Acquisition or disposition under a prospectus
$-34,196,248.80
-24,425,892 vol
$1.40 each
27,441,299
Filed 2018-07-27
Tx date 2018-07-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
15 - Acquisition or disposition under a prospectus
$-11,822,951
-8,444,965 vol
$1.40 each
213,899,479
Filed 2018-07-27
Tx date 2018-07-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
15 - Acquisition or disposition under a prospectus
$-670,800.20
-479,143 vol
$1.40 each
12,136,052
Filed 2018-04-18
Tx date 2018-04-10
$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
Restricted Share Unit
56 - Grant of rights

+34,941 vol
82,424
Filed 2018-04-03
Tx date 2018-03-29
$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
Restricted Share Unit
57 - Exercise of rights

-11,460 vol
47,483
Filed 2018-04-03
Tx date 2018-03-29
$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
Common Shares
57 - Exercise of rights

+11,460 vol
467,471
Filed 2018-04-03
Tx date 2018-03-31
$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
Common Shares
57 - Exercise of rights

+11,460 vol
Filed 2018-04-03
Tx date 2018-03-31
$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
Restricted Share Unit
57 - Exercise of rights

-11,460 vol
Filed 2018-04-02
Tx date 2018-03-31
$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
Restricted Share Unit
57 - Exercise of rights

-11,460 vol
47,483
Filed 2018-04-02
Tx date 2018-03-31
$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
Common Shares
57 - Exercise of rights

+11,460 vol
467,471
Filed 2018-03-06
Tx date 2018-03-01
$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
Restricted Share Unit
57 - Exercise of rights

-49,123 vol
58,943
Filed 2018-03-06
Tx date 2018-03-01
$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
Common Shares
57 - Exercise of rights

+49,123 vol
456,011
Filed 2017-12-18
Tx date 2017-10-06
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-287,630 vol
3,870,884
Filed 2017-12-18
Tx date 2017-12-13
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+264,290 vol
4,135,174
Filed 2017-12-18
Tx date 2017-10-06
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-5,069,512 vol
68,224,833
Filed 2017-12-18
Tx date 2017-12-13
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+4,658,139 vol
72,882,972
Filed 2017-12-18
Tx date 2017-12-13
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$433,434.78
+528,579 vol
$0.82 each
12,615,195
Filed 2017-12-18
Tx date 2017-12-13
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$7,639,347.96
+9,316,278 vol
$0.82 each
222,344,444
Filed 2017-12-04
Tx date 2017-11-29
$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
Common Shares
11 - Acquisition or disposition carried out privately
$4,815,198.30
+1,459,151 vol
$3.30 each
29,440,476
Filed 2017-12-04
Tx date 2017-11-30
$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
Common Shares
11 - Acquisition or disposition carried out privately
$413,922.30
+125,431 vol
$3.30 each
29,565,907
Filed 2017-12-04
Tx date 2017-11-29
$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
Common Shares
11 - Acquisition or disposition carried out privately
$273,200.40
+82,788 vol
$3.30 each
1,670,614
Filed 2017-12-04
Tx date 2017-11-30
$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
Common Shares
11 - Acquisition or disposition carried out privately
$23,486.10
+7,117 vol
$3.30 each
1,677,731
Filed 2017-09-05
Tx date 2017-08-31
$CAI
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
11 - Acquisition or disposition carried out privately
$7,522,855.20
+8,955,780 vol
$0.84 each
11,563,053
Filed 2017-09-05
Tx date 2017-08-29
$CAI
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Rights
58 - Expiration of rights

-3,858,154 vol
0
Filed 2017-09-05
Tx date 2017-08-29
$CAI
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Rights
58 - Expiration of rights

-29,772 vol
0
Filed 2017-09-05
Tx date 2017-08-31
$CAI
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
11 - Acquisition or disposition carried out privately
$426,875.40
+508,185 vol
$0.84 each
656,132
Filed 2017-08-30
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
147,947
Filed 2017-08-30
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2017-08-30
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
2,607,273
Filed 2017-08-30
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Rights
00 - Opening Balance-Initial SEDI Report
29,772
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
2,607,277
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
147,950
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
1,054,439
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Common Shares
00 - Opening Balance-Initial SEDI Report
8,137
Filed 2017-08-09
Tx date 2017-08-08
$
Cautivo Mining Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer, 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Rights
00 - Opening Balance-Initial SEDI Report
3,858,154
Filed 2017-06-29
Tx date 2017-06-28
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
54 - Exercise of warrants
$138,951.47
+479,143 vol
$0.29 each
12,086,616
Filed 2017-06-29
Tx date 2017-06-28
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
54 - Exercise of warrants
$-138,951.47
-479,143 vol
$0.29 each
4,158,514
Filed 2017-06-29
Tx date 2017-06-28
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
54 - Exercise of warrants
$-2,449,039.85
-8,444,965 vol
$0.29 each
73,294,345
Filed 2017-06-29
Tx date 2017-06-28
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
54 - Exercise of warrants
$2,449,039.85
+8,444,965 vol
$0.29 each
213,028,166
Filed 2017-04-05
Tx date 2017-03-31
$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
Restricted Share Unit
56 - Grant of rights

+34,381 vol
108,066
Filed 2017-03-01
Tx date 2017-03-01
$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
Common Shares
57 - Exercise of rights

+49,122 vol
406,888
Filed 2017-03-01
Tx date 2017-03-01
$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
Restricted Share Unit
57 - Exercise of rights

-49,122 vol
73,685
Filed 2017-02-17
Tx date 2017-02-13
$KAR
Karmin Exploration Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
6,888,000
Filed 2017-02-17
Tx date 2017-02-13
$KAR
Karmin Exploration Inc.
Arias, J. Alberto
3 - 10% Security Holder of Issuer
Warrants
00 - Opening Balance-Initial SEDI Report
3,444,000
Filed 2017-01-10
Tx date 2017-01-09
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+13,622,758 vol
81,739,310
Filed 2017-01-10
Tx date 2017-01-09
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$347,812.65
+772,917 vol
$0.45 each
11,607,473
Filed 2017-01-10
Tx date 2017-01-09
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$6,130,241.10
+13,622,758 vol
$0.45 each
204,583,201
Filed 2017-01-10
Tx date 2017-01-09
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+772,917 vol
4,637,657
Filed 2017-01-03
Tx date 2016-12-28
$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
Common Shares
10 - Acquisition or disposition in the public market
$936.54
+473 vol
$1.98 each
27,981,325
Filed 2017-01-03
Tx date 2016-12-28
$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
Common Shares
10 - Acquisition or disposition in the public market
$53.46
+27 vol
$1.98 each
1,587,826
Filed 2016-12-22
Tx date 2016-12-21
$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
Common Shares
10 - Acquisition or disposition in the public market
$2,094.11
+1,063 vol
$1.97 each
1,587,799
Filed 2016-12-22
Tx date 2016-12-21
$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
Common Shares
10 - Acquisition or disposition in the public market
$36,911.89
+18,737 vol
$1.97 each
27,980,852
Filed 2016-12-20
Tx date 2016-12-19
$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
Common Shares
10 - Acquisition or disposition in the public market
$9,964.50
+5,110 vol
$1.95 each
27,962,115
Filed 2016-12-20
Tx date 2016-12-16
$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
Common Shares
10 - Acquisition or disposition in the public market
$7,014.15
+3,597 vol
$1.95 each
1,586,446
Filed 2016-12-20
Tx date 2016-12-19
$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
Common Shares
10 - Acquisition or disposition in the public market
$565.50
+290 vol
$1.95 each
1,586,736
Filed 2016-12-20
Tx date 2016-12-16
$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
Common Shares
10 - Acquisition or disposition in the public market
$123,635.85
+63,403 vol
$1.95 each
27,957,005
Filed 2016-12-01
Tx date 2016-11-30
$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
Common Shares
10 - Acquisition or disposition in the public market
$9.15
+5 vol
$1.83 each
1,582,849
Filed 2016-12-01
Tx date 2016-11-30
$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
Common Shares
10 - Acquisition or disposition in the public market
$173.85
+95 vol
$1.83 each
27,893,602
Filed 2016-11-25
Tx date 2016-11-23
$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
Common Shares
10 - Acquisition or disposition in the public market
$5,051.46
+3,785 vol
$1.33 each
27,893,507
Filed 2016-11-25
Tx date 2016-11-23
$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
Common Shares
10 - Acquisition or disposition in the public market
$286.94
+215 vol
$1.33 each
1,582,844
Filed 2016-11-22
Tx date 2016-11-18
$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
Common Shares
10 - Acquisition or disposition in the public market
$358.40
+268 vol
$1.34 each
1,582,629
Filed 2016-11-22
Tx date 2016-11-18
$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
Common Shares
10 - Acquisition or disposition in the public market
$6,328.10
+4,732 vol
$1.34 each
27,889,722
Filed 2016-10-19
Tx date 2016-08-19
$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
Restricted Share Unit
56 - Grant of rights

+73,685 vol
122,807
Filed 2016-10-19
Tx date 2016-08-19
$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
Restricted Share Unit
57 - Exercise of rights

+73,685 vol
Filed 2016-10-14
Tx date 2016-10-12
$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
Common Shares
10 - Acquisition or disposition in the public market
$16,182.30
+8,517 vol
$1.90 each
27,884,990
Filed 2016-10-14
Tx date 2016-10-12
$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
Common Shares
10 - Acquisition or disposition in the public market
$917.70
+483 vol
$1.90 each
1,582,361
Filed 2016-10-11
Tx date 2016-10-05
$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
Common Shares
11 - Acquisition or disposition carried out privately
$57,961.75
+33,121 vol
$1.75 each
27,873,445
Filed 2016-10-11
Tx date 2016-10-05
$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
Common Shares
11 - Acquisition or disposition carried out privately
$3,288.25
+1,879 vol
$1.75 each
1,581,706
Filed 2016-10-11
Tx date 2016-10-07
$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
Common Shares
11 - Acquisition or disposition carried out privately
$310.46
+172 vol
$1.80 each
1,581,878
Filed 2016-10-11
Tx date 2016-10-07
$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
Common Shares
11 - Acquisition or disposition carried out privately
$5,465.54
+3,028 vol
$1.80 each
27,876,473
Filed 2016-10-11
Tx date 2016-08-19
$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
Restricted Share Unit
57 - Exercise of rights

+73,685 vol
122,807
Filed 2016-10-06
Tx date 2016-10-04
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+11,496 vol
3,864,740
Filed 2016-10-06
Tx date 2016-10-04
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$182,358
+405,240 vol
$0.45 each
190,960,443
Filed 2016-10-06
Tx date 2016-10-04
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$10,346.40
+22,992 vol
$0.45 each
10,834,556
Filed 2016-10-06
Tx date 2016-10-04
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+202,620 vol
68,116,552
Filed 2016-09-21
Tx date 2016-09-16
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Options
50 - Grant of options

+200,000 vol
398,000
Filed 2016-09-09
Tx date 2016-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-4,755,364 vol
83,286,110
Filed 2016-09-09
Tx date 2016-03-12
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-993,624 vol
88,041,474
Filed 2016-09-09
Tx date 2016-09-07
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+155,703 vol
3,853,244
Filed 2016-09-09
Tx date 2016-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-1,027,878 vol
3,697,541
Filed 2016-09-09
Tx date 2016-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-269,805 vol
4,725,419
Filed 2016-09-09
Tx date 2016-03-12
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-56,375 vol
4,995,224
Filed 2016-09-09
Tx date 2016-09-07
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$2,469,866.85
+5,488,593 vol
$0.45 each
190,555,203
Filed 2016-09-09
Tx date 2016-09-07
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$140,133.15
+311,407 vol
$0.45 each
10,811,564
Filed 2016-09-09
Tx date 2016-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-4,855,648 vol
13,156,707
Filed 2016-09-09
Tx date 2016-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-2,631,079 vol
18,012,355
Filed 2016-09-09
Tx date 2016-09-07
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+2,744,296 vol
67,913,932
Filed 2016-09-09
Tx date 2016-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
55 - Expiration of warrants

-18,116,474 vol
65,169,636
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+13,156,707 vol
20,643,434
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+30,681,133 vol
89,035,098
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+1,740,761 vol
5,051,599
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$4,604,847.45
+26,313,414 vol
$0.175 each
51,867,191
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$10,738,396.55
+61,362,266 vol
$0.175 each
185,066,610
Filed 2016-03-04
Tx date 2016-03-02
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$609,266.35
+3,481,522 vol
$0.175 each
10,500,157
Filed 2016-03-02
Tx date 2016-03-01
$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
Common Shares
57 - Exercise of rights
$25,052.22
+24,561 vol
$1.02 each
357,766
Filed 2016-03-02
Tx date 2016-03-01
$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
Restricted Share Unit
57 - Exercise of rights
$-25,052.22
-24,561 vol
$1.02 each
49,122
Filed 2016-02-17
Tx date 2015-03-02
$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
Common Shares
57 - Exercise of rights
$183,151.96
+131,764 vol
$1.39 each
289,979
Filed 2016-01-29
Tx date 2016-01-29
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$584,202.67
+3,338,301 vol
$0.175 each
7,018,635
Filed 2016-01-29
Tx date 2016-01-29
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$10,296,646.85
+58,837,982 vol
$0.175 each
123,704,344
Filed 2016-01-29
Tx date 2016-01-29
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+1,669,150 vol
3,310,838
Filed 2016-01-29
Tx date 2016-01-29
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately

+29,418,991 vol
58,353,965
Filed 2015-12-04
Tx date 2015-12-01
$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
Common Shares
57 - Exercise of rights
$20,829.60
+21,040 vol
$0.99 each
201,441
Filed 2015-12-04
Tx date 2015-12-01
$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
Restricted Share Unit
57 - Exercise of rights

-21,040 vol
73,683
Filed 2015-06-22
Tx date 2015-06-17
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Options
50 - Grant of options
$68,600
+98,000 vol
$0.70 each
198,000
Filed 2015-06-01
Tx date 2015-06-01
$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
Restricted Share Unit
57 - Exercise of rights

-11,093 vol
94,723
Filed 2015-06-01
Tx date 2015-06-01
$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
Common Shares
57 - Exercise of rights

+22,186 vol
180,401
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$1,541,817
+1,027,878 vol
$1.50 each
1,641,688
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$27,174,711
+18,116,474 vol
$1.50 each
28,934,974
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$7,283,472
+4,855,648 vol
$1.50 each
7,486,727
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$28,986,358.40
+36,232,948 vol
$0.80 each
64,866,362
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$1,644,604.80
+2,055,756 vol
$0.80 each
3,680,334
Filed 2015-05-22
Tx date 2015-05-22
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$7,769,036.80
+9,711,296 vol
$0.80 each
25,553,777
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$7,608,583.20
+9,510,729 vol
$0.80 each
28,633,414
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
-$422,880 vol
$1.01 each
$0
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
-$7,453,308 vol
$1.01 each
$0
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
-$4,123,812 vol
$1.01 each
$0
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$404,707.50
+269,805 vol
$1.50 each
613,810
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$7,133,046
+4,755,364 vol
$1.50 each
10,818,500
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Warrants
11 - Acquisition or disposition carried out privately
$3,946,618.50
+2,631,079 vol
$1.50 each
2,631,079
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$431,688.80
+539,611 vol
$0.80 each
1,624,578
Filed 2015-05-15
Tx date 2015-05-14
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$4,209,726.40
+5,262,158 vol
$0.80 each
15,842,481
Filed 2015-05-08
Tx date 2015-05-08
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$687,302 vol
$1.01 each
$4,123,812
Filed 2015-05-08
Tx date 2015-05-08
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$1,242,218 vol
$1.01 each
$7,453,308
Filed 2015-05-08
Tx date 2015-05-08
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$70,480 vol
$1.01 each
$422,880
Filed 2015-04-27
Tx date 2015-04-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$687,302 vol
$1.01 each
$3,436,510
Filed 2015-04-27
Tx date 2015-04-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$1,242,218 vol
$1.01 each
$6,211,090
Filed 2015-04-27
Tx date 2015-04-24
$LGO
Largo Resources Ltd.
Arias, J. Alberto
4 - Director of Issuer
Convertible Notes
11 - Acquisition or disposition carried out privately
$
+$70,480 vol
$1.01 each
$352,400