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Date Issuer Insider Transaction Amount New Total
Filing date: 2018-06-04
Transaction: 2017-12-20
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Beeck, Alberto Luis
8 - Deemed Insider - 6 Months before becoming Insider
Common Shares
00 - Opening Balance-Initial SEDI Report
8,266,082
Filing date: 2018-04-18
Transaction: 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
Filing date: 2018-04-13
Transaction: 2018-04-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$1,620
+500 vol
$3.24 each
28,867
Filing date: 2018-04-11
Transaction: 2018-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+19,412 vol
45,743
Filing date: 2018-04-11
Transaction: 2018-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+34,941 vol
82,424
Filing date: 2018-04-11
Transaction: 2018-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+19,412 vol
45,742
Filing date: 2018-04-11
Transaction: 2018-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+34,941 vol
38,332
Filing date: 2018-04-11
Transaction: 2018-04-10
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+34,941 vol
82,424
Filing date: 2018-04-04
Transaction: 2018-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+180,548 vol
193,650
Filing date: 2018-04-04
Transaction: 2018-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+8,467 vol
30,316
Filing date: 2018-04-04
Transaction: 2018-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+27,068 vol
93,362
Filing date: 2018-04-04
Transaction: 2018-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+114,906 vol
262,249
Filing date: 2018-04-04
Transaction: 2018-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+119,064 vol
285,496
Filing date: 2018-04-03
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+5,086 vol
5,086
Filing date: 2018-04-03
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Rights
57 - Exercise of rights

-1,695 vol
Filing date: 2018-04-03
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Rights
56 - Grant of rights

+5,086 vol
Filing date: 2018-04-03
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-1,695 vol
3,391
Filing date: 2018-04-03
Transaction: 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
Filing date: 2018-04-03
Transaction: 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
Filing date: 2018-04-03
Transaction: 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
Filing date: 2018-04-03
Transaction: 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
Filing date: 2018-04-03
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+848 vol
848
Filing date: 2018-04-02
Transaction: 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
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-11,460 vol
47,483
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+11,460 vol
466,831
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-6,367 vol
26,331
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+6,367 vol
3,629,844
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-19,568 vol
21,849
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Common Shares
58 - Expiration of rights

+9,784 vol
26,955
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-40,161 vol
66,294
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+20,081 vol
28,367
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-101,168 vol
147,343
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+50,584 vol
373,663
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-11,460 vol
13,102
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+11,460 vol
254,581
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-33,560 vol
26,330
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+26,848 vol
239,235
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-60,583 vol
47,483
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+48,466 vol
280,370
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+67,642 vol
129,936
Filing date: 2018-04-02
Transaction: 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
Filing date: 2018-04-02
Transaction: 2018-03-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-67,642 vol
166,432
Filing date: 2018-03-06
Transaction: 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
Filing date: 2018-03-06
Transaction: 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
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+49,123 vol
243,121
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-24,561 vol
58,943
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+24,561 vol
455,371
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-27,193 vol
32,698
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+27,193 vol
3,623,477
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-49,123 vol
24,562
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-31,147 vol
234,074
Filing date: 2018-03-02
Transaction: 2018-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+31,147 vol
62,294
Filing date: 2018-01-26
Transaction: 2017-11-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+66,666 vol
Filing date: 2018-01-26
Transaction: 2017-12-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-133,333 vol
248,511
Filing date: 2018-01-26
Transaction: 2017-11-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-133,333 vol
Filing date: 2018-01-26
Transaction: 2017-12-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+66,666 vol
323,079
Filing date: 2018-01-02
Transaction: 2017-11-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+66,666 vol
323,079
Filing date: 2018-01-02
Transaction: 2018-01-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$-1,970
-1,000 vol
$1.97 each
8,286
Filing date: 2018-01-02
Transaction: 2018-01-02
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$-1,980
-1,000 vol
$1.98 each
9,286
Filing date: 2018-01-02
Transaction: 2017-11-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-133,333 vol
248,511
Filing date: 2017-12-05
Transaction: 2017-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
11 - Acquisition or disposition carried out privately
$-437,408.40
-132,548 vol
$3.30 each
3,596,284
Filing date: 2017-12-04
Transaction: 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
Filing date: 2017-12-04
Transaction: 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
Filing date: 2017-12-04
Transaction: 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
Filing date: 2017-12-04
Transaction: 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
Filing date: 2017-11-13
Transaction: 2017-11-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer, 5 - Senior Officer of Issuer
Common Shares
46 - Compensation for services

+54,433 vol
193,998
Filing date: 2017-11-09
Transaction: 2017-11-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Rights
00 - Opening Balance-Initial SEDI Report
Filing date: 2017-11-09
Transaction: 2017-11-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Warrants
00 - Opening Balance-Initial SEDI Report
Filing date: 2017-11-09
Transaction: 2017-11-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
Filing date: 2017-11-09
Transaction: 2017-11-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filing date: 2017-11-09
Transaction: 2017-11-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Vizquerra, Jose
4 - Director of Issuer
Options
00 - Opening Balance-Initial SEDI Report
Filing date: 2017-06-12
Transaction: 2017-06-09
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$319.00
+100 vol
$3.19 each
10,286
Filing date: 2017-06-02
Transaction: 2017-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$1,690
+500 vol
$3.38 each
10,186
Filing date: 2017-05-01
Transaction: 2017-04-29
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Restricted Share Unit
58 - Expiration of rights

-752,876 vol
0
Filing date: 2017-04-25
Transaction: 2017-04-25
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$-600,000
-200,000 vol
$3.00 each
213,999
Filing date: 2017-04-10
Transaction: 2017-04-05
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$117,720
+32,700 vol
$3.60 each
430,810
Filing date: 2017-04-10
Transaction: 2017-04-04
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$15,480
+4,300 vol
$3.60 each
398,110
Filing date: 2017-04-10
Transaction: 2017-04-06
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$-3,600
-1,000 vol
$3.60 each
212,387
Filing date: 2017-04-05
Transaction: 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
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+34,381 vol
83,504
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+19,101 vol
59,891
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+16,847 vol
41,417
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-13,951 vol
24,570
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+7,673 vol
17,171
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+78,400 vol
106,455
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-14,027 vol
28,055
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$1,071
+300 vol
$3.57 each
9,686
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+7,014 vol
9,386
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+154,263 vol
381,844
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-49,747 vol
227,581
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

+19,101 vol
59,890
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-27,192 vol
40,789
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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108,066
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

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73,685
Filing date: 2017-04-04
Transaction: 2017-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
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Filing date: 2017-04-04
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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752,876
Filing date: 2017-04-04
Transaction: 2017-03-31
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
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57 - Exercise of rights

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310,599
Filing date: 2017-04-04
Transaction: 2017-03-31
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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Brennan, Mark Peter
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Common Shares
57 - Exercise of rights

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416,999
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
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413,999
Filing date: 2017-04-04
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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265,221
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
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Restricted Share Unit
57 - Exercise of rights

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62,294
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Transaction: 2015-07-13
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
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Common Shares
00 - Opening Balance-Initial SEDI Report
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
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Common Shares
57 - Exercise of rights

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31,147
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer
Common Shares
57 - Exercise of rights

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139,565
Filing date: 2017-03-03
Transaction: 2017-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
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Restricted Share Unit
57 - Exercise of rights

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73,685
Filing date: 2017-03-03
Transaction: 2017-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

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3,728,832
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
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Restricted Share Unit
57 - Exercise of rights

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40,790
Filing date: 2017-03-03
Transaction: 2017-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
57 - Exercise of rights

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393,810
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Transaction: 2017-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
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Restricted Share Unit
57 - Exercise of rights

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49,123
Filing date: 2017-03-01
Transaction: 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

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406,888
Filing date: 2017-03-01
Transaction: 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
Filing date: 2017-01-31
Transaction: 2017-01-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$2.31 each
261,700
Filing date: 2017-01-03
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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
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$1.98 each
1,587,826
Filing date: 2017-01-03
Transaction: 2016-12-30
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-133,334 vol
277,328
Filing date: 2017-01-03
Transaction: 2016-12-30
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

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256,413
Filing date: 2017-01-03
Transaction: 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
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$1.98 each
27,981,325
Filing date: 2016-12-22
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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
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$1.97 each
27,980,852
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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
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$1.97 each
1,587,799
Filing date: 2016-12-20
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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
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$1.95 each
1,586,446
Filing date: 2016-12-20
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
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Common Shares
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-3,835 vol
$1.95 each
9,498
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
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-32,000 vol
$1.95 each
123,079
Filing date: 2016-12-20
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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
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27,962,115
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
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Common Shares
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27,957,005
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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
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1,586,736
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$2.31 each
251,100
Filing date: 2016-12-01
Transaction: 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
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27,893,602
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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
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$1.83 each
1,582,849
Filing date: 2016-11-25
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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
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$1.3346 each
27,893,507
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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
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$1.3346 each
1,582,844
Filing date: 2016-11-22
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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
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$1.3373 each
27,889,722
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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
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$1.3373 each
1,582,629
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.97 each
2,372
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Transaction: 2016-11-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.80 each
236,100
Filing date: 2016-10-19
Transaction: 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
Filing date: 2016-10-19
Transaction: 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
Filing date: 2016-10-14
Transaction: 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
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$1.90 each
27,884,990
Filing date: 2016-10-14
Transaction: 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
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$1.90 each
1,582,361
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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
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$1.805 each
1,581,878
Filing date: 2016-10-11
Transaction: 2016-08-19
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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

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122,807
Filing date: 2016-10-11
Transaction: 2016-10-07
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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
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$1.805 each
27,876,473
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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
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$1.75 each
27,873,445
Filing date: 2016-10-11
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$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
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$1.75 each
1,581,706
Filing date: 2016-09-29
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.9775 each
183,800
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Transaction: 2016-08-25
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$2.00 each
173,800
Filing date: 2016-08-25
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
304,249
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Transaction: 2016-08-24
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.9999 each
369,249
Filing date: 2016-08-25
Transaction: 2016-08-23
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$2.00 each
329,249
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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122,807
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Transaction: 2016-08-22
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.80 each
7,000
Filing date: 2016-08-22
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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73,684
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Transaction: 2015-11-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Romero, Dionisio
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00 - Opening Balance-Initial SEDI Report
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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67,982
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

+31,854 vol
38,521
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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42,082
Filing date: 2016-08-22
Transaction: 2016-07-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
McAllister, Michael
5 - Senior Officer of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
2,225
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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410,662
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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122,807
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Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
56 - Grant of rights

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67,981
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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465,898
Filing date: 2016-08-22
Transaction: 2015-10-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
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Restricted Share Unit
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$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
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Transaction: 2016-08-22
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
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$1.8757 each
164,300
Filing date: 2016-08-22
Transaction: 2016-08-19
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
5 - Senior Officer of Issuer
Restricted Share Unit
56 - Grant of rights

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93,441
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Transaction: 2015-07-13
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Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Babcock, Gordon
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Restricted Share Unit
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Transaction: 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
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$1.02 each
357,766
Filing date: 2016-03-02
Transaction: 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
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$1.02 each
49,122
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Robyn, Thomas Lynn
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

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80,952
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-13,596 vol
27,193
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

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3,701,640
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-3,333 vol
6,667
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

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13,333
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-5,246 vol
277,161
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

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155,079
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-24,561 vol
49,123
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Gonzales, Igor
4 - Director of Issuer
Common Shares
57 - Exercise of rights

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90,443
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-13,596 vol
27,192
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+13,596 vol
213,387
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-24,561 vol
49,123
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+24,561 vol
231,904
Filing date: 2016-03-01
Transaction: 2016-03-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Robyn, Thomas Lynn
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-5,724 vol
11,446
Filing date: 2016-02-17
Transaction: 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
Filing date: 2016-01-04
Transaction: 2015-12-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-133,333 vol
282,407
Filing date: 2016-01-04
Transaction: 2015-12-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Guimaraes, Edmundo Gontardo
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+133,333 vol
149,833
Filing date: 2015-12-05
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$5,060
+5,000 vol
$1.012 each
125,000
Filing date: 2015-12-05
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$880.00
+800 vol
$1.10 each
130,800
Filing date: 2015-12-05
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$5,495
+5,000 vol
$1.099 each
130,000
Filing date: 2015-12-05
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$10,990
+10,000 vol
$1.099 each
120,000
Filing date: 2015-12-04
Transaction: 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
Filing date: 2015-12-04
Transaction: 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
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+21,040 vol
207,343
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Robyn, Thomas Lynn
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-4,000 vol
17,170
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Robyn, Thomas Lynn
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+4,000 vol
75,228
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-14,704 vol
40,789
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+14,704 vol
3,688,044
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Restricted Share Unit
57 - Exercise of rights

-3,334 vol
10,000
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Neff, Jill
5 - Senior Officer of Issuer
Common Shares
57 - Exercise of rights

+3,334 vol
10,000
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-31,687 vol
40,788
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+31,687 vol
199,791
Filing date: 2015-12-02
Transaction: 2015-12-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-21,040 vol
73,684
Filing date: 2015-11-16
Transaction: 2015-11-16
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$3,908.80
+2,800 vol
$1.396 each
110,000
Filing date: 2015-10-17
Transaction: 2015-10-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$2,684
+2,200 vol
$1.22 each
107,200
Filing date: 2015-10-17
Transaction: 2015-10-14
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$5,761
+5,000 vol
$1.1522 each
105,000
Filing date: 2015-10-08
Transaction: 2015-10-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
10 - Acquisition or disposition in the public market
$99,890
+100,000 vol
$0.9989 each
100,000
Filing date: 2015-10-08
Transaction: 2015-10-08
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Brennan, Mark Peter
5 - Senior Officer of Issuer
Common Shares
00 - Opening Balance-Initial SEDI Report
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+17,065 vol
168,104
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-11,093 vol
94,724
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+6,825 vol
3,673,340
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Dean, Steven G
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-17,065 vol
72,475
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Cater, Douglas Frederick
4 - Director of Issuer
Common Shares
57 - Exercise of rights

+11,093 vol
186,303
Filing date: 2015-06-05
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Renaud, Philip
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-6,825 vol
55,493
Filing date: 2015-06-01
Transaction: 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
Filing date: 2015-06-01
Transaction: 2015-06-01
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Kaelin Lizarraga, Guillermo Gustavo
4 - Director of Issuer
Restricted Share Unit
57 - Exercise of rights

-11,093 vol
94,724
Filing date: 2015-06-01
Transaction: 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