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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 2025-10-24 20:13
Tx date 2025-10-22
$LGO
Largo Inc.
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund III L.P. (Control or Direction)
Warrants
11 - Acquisition or disposition carried out privately

+4,918,033 vol
4,918,033
Filed 2025-10-24 20:12
Tx date 2011-04-11
$LGO
Largo Inc.
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund III L.P. (Control or Direction)
Warrants
00 - Opening Balance-Initial SEDI Report
Filed 2025-10-24 20:11
Tx date 2025-10-22
$LGO
Largo Inc.
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund III L.P. (Control or Direction)
Common Shares
11 - Acquisition or disposition carried out privately
$6,000,000
+4,918,033 vol
$1.22 each
4,918,033
Filed 2025-10-24 20:11
Tx date 2011-04-11
$LGO
Largo Inc.
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund III L.P. (Control or Direction)
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2025-05-16 15:45
Tx date 2025-05-14
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-580,813.74
-717,054 vol
$0.81 each
0
Filed 2025-05-16 15:44
Tx date 2025-05-14
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-15,245,308.89
-18,821,369 vol
$0.81 each
0
Filed 2025-05-05 18:45
Tx date 2025-04-29
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,133.2325
-2,685 vol
$0.79 each
717,054
Filed 2025-05-05 18:44
Tx date 2025-04-28
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-4,254.651
-5,370 vol
$0.79 each
719,739
Filed 2025-05-05 18:44
Tx date 2025-04-29
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-37,591.7675
-47,315 vol
$0.79 each
18,821,369
Filed 2025-05-05 18:43
Tx date 2025-04-28
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-74,975.349
-94,630 vol
$0.79 each
18,868,684
Filed 2025-04-28 13:49
Tx date 2025-04-22
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-5,066.595
-8,055 vol
$0.63 each
725,109
Filed 2025-04-28 13:48
Tx date 2025-04-22
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-89,283.405
-141,945 vol
$0.63 each
18,963,314
Filed 2025-03-31 18:10
Tx date 2025-03-27
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-2,665.376
-4,564 vol
$0.58 each
733,164
Filed 2025-03-31 18:10
Tx date 2025-03-26
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-467.705
-805 vol
$0.58 each
737,728
Filed 2025-03-31 18:09
Tx date 2025-03-24
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,556.226
-2,685 vol
$0.58 each
738,533
Filed 2025-03-31 18:09
Tx date 2025-03-27
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-46,974.624
-80,436 vol
$0.58 each
19,105,259
Filed 2025-03-31 18:08
Tx date 2025-03-26
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-8,247.295
-14,195 vol
$0.58 each
19,185,695
Filed 2025-03-31 18:08
Tx date 2025-03-24
$SMT
Sierra Metals Inc.
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-27,423.774
-47,315 vol
$0.58 each
19,199,890
Filed 2025-03-25 14:18
Tx date 2025-03-24
$LGO
Largo Inc.
Arias, J. Alberto
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder
Direct Ownership
Options
52 - Expiration of options

-15,000 vol
173,309
Filed 2025-03-18 18:19
Tx date 2025-03-18
$SMT
Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)
Arias, J. Alberto
6 - Director or Senior Officer of 10% Security Holder
Holder: Arias Resource Capital Fund II (Mexico) L.P. (Control or Direction)
Common Shares
10 - Acquisition or disposition in the public market
$-1,577.706
-2,685 vol
$0.59 each
741,218