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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2021-04-01 10:55
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

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

+17,441 vol
22,985
Filed 2021-04-01 10:12
Tx date 2021-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+31,710 vol
125,266
Filed 2020-04-28 11:43
Tx date 2020-04-27
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+71,381 vol
93,556
Filed 2020-04-03 14:37
Tx date 2020-03-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights

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

-11,088 vol
22,175
Filed 2020-03-30 12:05
Tx date 2020-03-25
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+150,000 vol
260,000
Filed 2019-07-31 16:14
Tx date 2019-07-31
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+33,263 vol
33,263
Filed 2019-07-31 16:14
Tx date 2019-07-15
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2019-01-18
Tx date 2019-01-14
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+70,000 vol
110,000
Filed 2018-12-04
Tx date 2018-11-30
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
51 - Exercise of options

-200,000 vol
40,000
Filed 2018-12-04
Tx date 2018-11-30
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$-730,400
-200,000 vol
$3.65 each
0
Filed 2018-12-04
Tx date 2016-07-09
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2018-12-04
Tx date 2018-11-30
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Common Shares
51 - Exercise of options

+200,000 vol
200,000
Filed 2018-08-21
Tx date 2018-08-16
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+40,000 vol
240,000
Filed 2016-09-21
Tx date 2016-07-09
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
00 - Opening Balance-Initial SEDI Report
Filed 2016-09-21
Tx date 2016-09-16
$LGO
Largo Resources Ltd.
Yamamoto, Koko
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+200,000 vol
200,000