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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 2023-11-06 13:17 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburu, Miguel 4 - Director of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$135,329 +356,131 vol $0.38 each	356,131
Filed 2023-11-06 13:14 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Holder: Oscar Cabrera Consulting Inc. (Control or Direction)	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$50,000 +131,579 vol $0.38 each	131,579
Filed 2023-11-06 13:13 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Holder: Oscar Cabrera Consulting Inc. (Control or Direction)	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2023-11-06 12:00 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$100,474 +264,406 vol $0.38 each	271,126
Filed 2023-11-06 11:53 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$20,000 +52,632 vol $0.38 each	83,505
Filed 2023-11-06 11:50 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$53,999 +142,105 vol $0.38 each	296,502
Filed 2023-11-06 11:44 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Llamosas, Jose Antonio Fernandez-Baca 5 - Senior Officer of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$67,564 +177,800 vol $0.38 each	177,800
Filed 2023-11-06 11:44 Tx date 2023-01-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Llamosas, Jose Antonio Fernandez-Baca 5 - Senior Officer of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2023-11-06 11:32 Tx date 2023-10-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Balarezo, Ernesto 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 16 - Acquisition or disposition under a prospectus exemption	$406,600 +1,070,000 vol $0.38 each	1,620,000
Filed 2023-11-05 12:24 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburu, Miguel 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2023-09-05 10:13 Tx date 2023-08-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Llamosas, Jose Antonio Fernandez-Baca 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+243,268 vol	243,268
Filed 2023-09-05 10:11 Tx date 2023-01-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Llamosas, Jose Antonio Fernandez-Baca 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2023-08-22 11:02 Tx date 2023-08-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Kaufman, Wendy 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		326,529
Filed 2023-07-04 12:23 Tx date 2023-06-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Deferred Share Units 59 - Exercise for cash	$-32,329.6805 -109,555 vol $0.2951 each	0
Filed 2023-07-04 12:20 Tx date 2023-06-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 58 - Expiration of rights	-10,570 vol	0
Filed 2023-06-30 15:56 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburu, Miguel 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+352,385 vol	461,940
Filed 2023-06-30 15:56 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburu, Miguel 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		109,555
Filed 2023-06-30 15:41 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+352,385 vol	461,940
Filed 2023-06-30 15:39 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+352,385 vol	461,940
Filed 2023-06-30 15:38 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+352,385 vol	461,940
Filed 2023-06-30 15:13 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Orrantia, Beatriz 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+352,385 vol	352,385
Filed 2023-06-30 15:12 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Orrantia, Beatriz 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2023-06-30 15:07 Tx date 2023-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+519,540 vol	681,063
Filed 2023-06-09 12:19 Tx date 2023-06-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Balarezo, Ernesto 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+1,550,120 vol	1,550,120
Filed 2023-06-09 12:16 Tx date 2022-11-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Balarezo, Ernesto 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2023-04-17 08:17 Tx date 2023-04-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Balarezo, Ernesto 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$16,194 +39,500 vol $0.41 each	550,000
Filed 2023-04-17 08:16 Tx date 2023-04-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Balarezo, Ernesto 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$195.00 +500 vol $0.39 each	510,500
Filed 2023-04-15 11:12 Tx date 2023-04-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$731.08 +2,450 vol $0.2984 each	154,397
Filed 2023-04-12 10:11 Tx date 2023-04-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$29,000 +72,500 vol $0.40 each	510,000
Filed 2023-04-12 10:11 Tx date 2023-04-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$2,800 +7,000 vol $0.40 each	437,500
Filed 2023-04-12 10:10 Tx date 2023-04-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$197.50 +500 vol $0.395 each	430,500
Filed 2023-04-12 10:10 Tx date 2023-04-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$5,332 +13,500 vol $0.395 each	430,000
Filed 2023-04-04 15:56 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$526.85 +1,792 vol $0.294 each	82,130
Filed 2023-04-04 15:55 Tx date 2023-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$34.85 +120 vol $0.2904 each	151,947
Filed 2023-04-04 15:55 Tx date 2023-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$7,929 +26,483 vol $0.2994 each	151,827
Filed 2023-04-04 15:54 Tx date 2023-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$4,951 +16,471 vol $0.3006 each	125,344
Filed 2023-04-04 15:53 Tx date 2023-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$8,012 +26,743 vol $0.2996 each	108,873
Filed 2023-04-04 08:53 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+77,748 vol	134,155
Filed 2023-04-04 08:50 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+3,360 vol	6,720
Filed 2023-04-04 08:50 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-3,360 vol	3,361
Filed 2023-04-04 08:49 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+29,429 vol	176,057
Filed 2023-04-04 08:47 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-45,275 vol	56,407
Filed 2023-04-04 08:45 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+34,363 vol	80,074
Filed 2023-04-04 08:44 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-34,363 vol	10,570
Filed 2023-04-04 08:42 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+34,363 vol	507,815
Filed 2023-04-04 08:39 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	$1,180,815,769 +34,363 vol $34,363 each
Filed 2023-04-04 08:38 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-34,363 vol	10,571
Filed 2023-04-04 08:35 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+16,456 vol	30,873
Filed 2023-04-04 08:31 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-16,456 vol	404,065
Filed 2023-04-04 08:28 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+410,853 vol	420,521
Filed 2023-04-03 16:48 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+3,360 vol	3,360
Filed 2023-04-03 16:47 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2023-04-03 16:46 Tx date 2023-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-3,360 vol	3,361
Filed 2023-03-31 16:21 Tx date 2023-03-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$21,250 +50,000 vol $0.425 each	267,500
Filed 2023-03-31 16:20 Tx date 2023-03-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$4,510 +11,000 vol $0.41 each	217,500
Filed 2023-03-31 16:19 Tx date 2023-03-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$11,745 +29,000 vol $0.405 each	206,500
Filed 2023-03-31 16:19 Tx date 2023-03-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$43,960 +109,900 vol $0.40 each	177,500
Filed 2023-03-31 16:18 Tx date 2023-03-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$26,702 +67,600 vol $0.395 each	67,600
Filed 2023-03-31 16:16 Tx date 2022-11-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Valdez, Ernesto Balarezo 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2023-02-03 08:58 Tx date 2023-01-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+13,838 vol	146,628
Filed 2023-02-03 08:55 Tx date 2023-01-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-21,289 vol	101,682
Filed 2022-07-18 06:24 Tx date 2022-07-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$8,208 +12,000 vol $0.68 each	80,338
Filed 2022-07-04 10:59 Tx date 2022-06-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Restricted Share Unit 59 - Exercise for cash	$-3,561.60 -3,360 vol $1.06 each	6,721
Filed 2022-07-04 10:46 Tx date 2022-06-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+3,360 vol	3,360
Filed 2022-07-04 10:44 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2022-07-04 10:43 Tx date 2022-06-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-3,360 vol	6,721
Filed 2022-06-29 14:29 Tx date 2022-06-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$25,750 +25,000 vol $1.03 each	25,000
Filed 2022-06-29 14:28 Tx date 2022-02-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 12:03 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+10,081 vol	10,081
Filed 2022-06-15 12:00 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 11:58 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+10,081 vol	10,081
Filed 2022-06-15 11:56 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-15 11:52 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburú Alvarez-Calderón, Miguel 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		109,555
Filed 2022-06-15 11:50 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		109,555
Filed 2022-06-15 11:47 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+109,555 vol	109,555
Filed 2022-06-15 11:46 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+109,555 vol	109,555
Filed 2022-06-15 11:45 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+109,555 vol	109,555
Filed 2022-06-15 11:43 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+109,555 vol	109,555
Filed 2022-06-15 11:41 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+161,523 vol	161,523
Filed 2022-06-14 12:08 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburú Alvarez-Calderón, Miguel 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:36 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:17 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol
Filed 2022-06-14 11:04 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol
Filed 2022-06-14 10:58 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+170,046 vol
Filed 2022-06-14 10:46 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol
Filed 2022-06-14 10:28 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol
Filed 2022-06-14 12:08 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Aramburú Alvarez-Calderón, Miguel 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		115,335
Filed 2022-06-14 11:36 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report		115,335
Filed 2022-06-14 11:34 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neal, Robert McDowell 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report		68,338
Filed 2022-06-14 11:17 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol	115,335
Filed 2022-06-14 11:16 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Santa-Cruz Bendezu, Carlos Enrique 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 11:04 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol	115,335
Filed 2022-06-14 11:03 Tx date 2009-06-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:58 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+170,046 vol	170,046
Filed 2022-06-14 10:57 Tx date 2021-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cabrera, Oscar Mariano 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:46 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol	115,335
Filed 2022-06-14 10:44 Tx date 2019-07-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-06-14 10:28 Tx date 2022-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Deferred Share Units 56 - Grant of rights	+115,335 vol	115,335
Filed 2022-06-14 10:22 Tx date 2022-02-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Whittaker, Dawn Patricia 4 - Director of Issuer Direct Ownership	Deferred Share Units 00 - Opening Balance-Initial SEDI Report
Filed 2022-05-19 09:47 Tx date 2022-05-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+80,451 vol	122,971
Filed 2022-05-19 09:22 Tx date 2022-05-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+246,286 vol	327,857
Filed 2022-05-19 09:10 Tx date 2022-05-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+560,737 vol	619,532
Filed 2022-04-07 17:52 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-32,315 vol	24,962
Filed 2022-04-07 17:49 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+23,504 vol	337,653
Filed 2022-04-07 17:47 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+32,915 vol	314,149
Filed 2022-04-07 17:46 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-32,915 vol	57,277
Filed 2022-04-07 16:45 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+58,170 vol	473,452
Filed 2022-04-07 16:44 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-58,170 vol	44,934
Filed 2022-04-07 16:40 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+2,417 vol	14,417
Filed 2022-04-07 16:39 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-4,834 vol	9,668
Filed 2022-04-07 16:36 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+44,082 vol	643,223
Filed 2022-04-07 16:35 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-88,163 vol	81,571
Filed 2022-04-07 11:23 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+29,398 vol	149,398
Filed 2022-04-07 11:22 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-29,398 vol	58,795
Filed 2022-04-07 11:19 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+22,726 vol	45,711
Filed 2022-04-07 11:19 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-45,451 vol	44,933
Filed 2022-04-07 11:12 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+58,170 vol	678,831
Filed 2022-04-07 11:12 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-58,170 vol	44,933
Filed 2022-04-07 11:07 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+32,609 vol	128,326
Filed 2022-04-07 11:06 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-65,217 vol	59,026
Filed 2022-04-07 09:59 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+58,436 vol	132,790
Filed 2022-04-07 09:57 Tx date 2022-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-58,436 vol	42,520
Filed 2021-12-10 12:46 Tx date 2021-12-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$68,800 +40,000 vol $1.72 each	95,717
Filed 2021-04-05 14:56 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-41,534 vol	97,038
Filed 2021-04-05 14:55 Tx date 2021-03-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+31,710 vol	138,572
Filed 2021-04-05 14:51 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+41,534 vol	696,437
Filed 2021-04-05 14:50 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+75,109 vol	654,903
Filed 2021-04-05 14:48 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-75,109 vol	155,969
Filed 2021-04-05 14:45 Tx date 2021-03-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Restricted Share Unit 56 - Grant of rights	+52,850 vol	231,078
Filed 2021-04-01 11:20 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+29,623 vol	55,717
Filed 2021-04-01 11:19 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-59,247 vol	124,243
Filed 2021-04-01 11:17 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+52,850 vol	183,490
Filed 2021-04-01 11:13 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+59,247 vol	415,282
Filed 2021-04-01 11:13 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-59,247 vol	103,104
Filed 2021-04-01 11:11 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+93,953 vol	599,141
Filed 2021-04-01 11:10 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-93,953 vol	169,734
Filed 2021-04-01 11:06 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-59,247 vol	103,103
Filed 2021-04-01 11:05 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+59,247 vol	620,661
Filed 2021-04-01 11:03 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-37,522 vol	60,467
Filed 2021-04-01 11:02 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+18,761 vol	97,656
Filed 2021-04-01 10:59 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-41,470 vol	100,956
Filed 2021-04-01 10:58 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+41,470 vol	74,354
Filed 2021-04-01 10:55 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-34,882 vol	90,384
Filed 2021-04-01 10:54 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+17,441 vol	22,985
Filed 2021-04-01 10:31 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+31,710 vol	162,350
Filed 2021-04-01 10:25 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+88,193 vol	88,193
Filed 2021-04-01 10:25 Tx date 2020-05-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2021-04-01 10:23 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+50,900 vol	142,426
Filed 2021-04-01 10:21 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+14,502 vol	14,502
Filed 2021-04-01 10:19 Tx date 2019-12-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2021-04-01 10:17 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+15,421 vol	97,989
Filed 2021-04-01 10:12 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+31,710 vol	125,266
Filed 2021-03-31 17:01 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+17,616 vol	90,192
Filed 2021-03-31 13:25 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+31,710 vol	162,351
Filed 2021-03-31 13:19 Tx date 2021-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+97,532 vol	263,687
Filed 2021-02-11 16:25 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital GP Ltd. (Control or Direction)	Common Shares 11 - Acquisition or disposition carried out privately	+10,558,154 vol	10,558,154
Filed 2021-01-25 23:04 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital GP Ltd. (Control or Direction)	Common Shares 11 - Acquisition or disposition carried out privately	+11,090,157 vol
Filed 2021-01-25 23:05 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital Fund L.P. (Control or Direction)	Common Shares 11 - Acquisition or disposition carried out privately	-52,721,964 vol	0
Filed 2021-01-25 23:04 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital GP Ltd. (Control or Direction)	Common Shares 11 - Acquisition or disposition carried out privately	+11,090,157 vol	11,090,157
Filed 2021-01-25 23:03 Tx date 2008-11-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital GP Ltd. (Control or Direction)	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2021-01-25 23:03 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Common Shares 11 - Acquisition or disposition carried out privately	+717,110 vol	717,110
Filed 2021-01-25 23:01 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Common Shares 11 - Acquisition or disposition carried out privately	+717,110 vol
Filed 2021-01-25 23:00 Tx date 2021-01-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Common Shares 11 - Acquisition or disposition carried out privately	+717,110 vol
Filed 2021-01-25 23:00 Tx date 2008-11-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2020-09-22 16:33 Tx date 2020-09-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$1,219 +650 vol $1.88 each	78,895
Filed 2020-06-26 13:50 Tx date 2020-06-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$23,520 +12,000 vol $1.96 each	12,000
Filed 2020-06-22 19:11 Tx date 2020-06-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$-15,000 -10,000 vol $1.50 each	0
Filed 2020-06-22 19:11 Tx date 2020-06-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$12,000 +10,000 vol $1.20 each	10,000
Filed 2020-06-22 19:10 Tx date 2019-12-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vyas, Rajesh 5 - Senior Officer of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2020-06-19 16:43 Tx date 2020-06-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$129,600 +120,000 vol $1.08 each	120,000
Filed 2020-06-19 16:43 Tx date 2020-05-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Marchese, Luis Carlos 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2020-06-12 17:16 Tx date 2020-06-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$245.00 +200 vol $1.23 each	78,245
Filed 2020-05-19 00:35 Tx date 2020-05-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 10 - Acquisition or disposition in the public market	$497.50 +500 vol $0.99 each	78,045
Filed 2020-05-02 12:29 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Restricted Share Unit 56 - Grant of rights	+118,969 vol	178,228
Filed 2020-05-02 12:22 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,381 vol	106,862
Filed 2020-04-28 19:40 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,381 vol	130,640
Filed 2020-04-28 11:47 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,381 vol	130,641
Filed 2020-04-28 11:44 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+49,648 vol	166,155
Filed 2020-04-28 11:43 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,381 vol	93,556
Filed 2020-04-28 11:41 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+39,656 vol	72,576
Filed 2020-04-28 11:38 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,381 vol	130,640
Filed 2020-04-28 11:36 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+15,194 vol	25,533
Filed 2020-04-28 11:35 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+49,457 vol	82,568
Filed 2020-04-28 11:34 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+25,759 vol	91,526
Filed 2020-04-28 11:32 Tx date 2020-04-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+125,454 vol	390,666
Filed 2020-04-05 19:35 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+17,740 vol	579,794
Filed 2020-04-05 19:14 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+46,914 vol	562,054
Filed 2020-04-05 19:13 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arias, J. Alberto 4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-46,914 vol	59,259
Filed 2020-04-05 19:10 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-17,740 vol	35,481
Filed 2020-04-03 19:22 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+18,575 vol	26,094
Filed 2020-04-03 19:20 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-37,149 vol	59,259
Filed 2020-04-03 14:48 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+64,413 vol	505,188
Filed 2020-04-03 14:48 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-128,825 vol	116,507
Filed 2020-04-03 14:46 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+37,531 vol	356,035
Filed 2020-04-03 14:46 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-46,914 vol	59,260
Filed 2020-04-03 14:40 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+20,851 vol	281,234
Filed 2020-04-03 14:40 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-26,064 vol	32,920
Filed 2020-04-03 14:38 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+23,586 vol	77,545
Filed 2020-04-03 14:38 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-47,171 vol	33,111
Filed 2020-04-03 14:37 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+5,544 vol	5,544
Filed 2020-04-03 14:36 Tx date 2019-07-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2020-04-03 14:36 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Yamamoto, Koko 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-11,088 vol	22,175
Filed 2020-04-03 14:34 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+6,098 vol	46,081
Filed 2020-04-03 14:33 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-12,195 vol	10,339
Filed 2020-04-03 14:31 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+191,350 vol	543,336
Filed 2020-04-03 14:31 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-191,350 vol	265,212
Filed 2020-04-03 14:30 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+46,914 vol	561,414
Filed 2020-04-03 14:29 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-46,914 vol	59,259
Filed 2020-04-03 14:28 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+32,884 vol	32,884
Filed 2020-04-03 14:27 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Common Shares 00 - Opening Balance-Initial SEDI Report
Filed 2020-04-03 14:27 Tx date 2020-03-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-32,884 vol	65,767
Filed 2020-01-02 15:15 Tx date 2019-12-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-162,714 vol	0
Filed 2020-01-02 15:14 Tx date 2019-12-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$4,070 +2,000 vol $2.04 each	162,714
Filed 2020-01-02 15:13 Tx date 2019-12-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,240 +4,200 vol $1.96 each	160,714
Filed 2020-01-02 15:13 Tx date 2019-12-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$783.00 +400 vol $1.96 each	156,514
Filed 2020-01-02 15:13 Tx date 2019-12-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$188,939 +99,400 vol $1.90 each	156,114
Filed 2020-01-02 15:12 Tx date 2019-12-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,896 +4,214 vol $1.87 each	56,714
Filed 2020-01-02 15:12 Tx date 2019-12-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$3,619 +2,000 vol $1.81 each	52,500
Filed 2020-01-02 15:11 Tx date 2019-12-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$90,894 +50,500 vol $1.80 each	50,500
Filed 2019-12-05 13:58 Tx date 2019-11-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-169,182 vol	0
Filed 2019-12-05 13:56 Tx date 2019-11-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$2,187 +1,200 vol $1.82 each	169,182
Filed 2019-12-05 13:56 Tx date 2019-11-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,350 +3,400 vol $1.87 each	167,982
Filed 2019-12-05 13:55 Tx date 2019-11-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,090 +4,214 vol $1.92 each	164,582
Filed 2019-12-05 13:55 Tx date 2019-11-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,046 +4,214 vol $1.91 each	160,368
Filed 2019-12-05 13:55 Tx date 2019-11-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,152 +600 vol $1.92 each	156,154
Filed 2019-12-05 13:54 Tx date 2019-11-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,110 +4,214 vol $1.92 each	155,554
Filed 2019-12-05 13:54 Tx date 2019-11-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,241 +4,214 vol $1.96 each	151,340
Filed 2019-12-05 13:54 Tx date 2019-11-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,385 +4,214 vol $1.99 each	147,126
Filed 2019-12-05 13:53 Tx date 2019-11-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,276 +3,714 vol $1.96 each	142,912
Filed 2019-12-05 13:53 Tx date 2019-11-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,126 +4,214 vol $1.93 each	139,198
Filed 2019-12-05 13:52 Tx date 2019-11-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$696.00 +400 vol $1.74 each	134,984
Filed 2019-12-05 13:52 Tx date 2019-11-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,560 +3,700 vol $1.77 each	134,584
Filed 2019-12-05 13:52 Tx date 2019-11-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,374 +4,214 vol $1.75 each	130,884
Filed 2019-12-05 13:51 Tx date 2019-11-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,358 +4,214 vol $1.75 each	126,670
Filed 2019-12-05 13:51 Tx date 2019-11-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,424 +4,214 vol $1.76 each	122,456
Filed 2019-12-05 13:49 Tx date 2019-11-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$2,288 +1,300 vol $1.76 each	118,242
Filed 2019-12-05 13:49 Tx date 2019-11-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,747 +4,214 vol $1.84 each	116,942
Filed 2019-12-05 13:48 Tx date 2019-11-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,738 +4,214 vol $1.84 each	112,728
Filed 2019-12-05 13:48 Tx date 2019-11-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,815 +4,214 vol $1.85 each	108,514
Filed 2019-11-04 15:58 Tx date 2019-10-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-189,224 vol	4,100
Filed 2019-11-04 15:57 Tx date 2019-10-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$188,376 +100,200 vol $1.88 each	104,300
Filed 2019-11-04 15:56 Tx date 2019-10-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,689 +4,100 vol $1.88 each	193,324
Filed 2019-11-04 15:56 Tx date 2019-10-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,685 +4,214 vol $1.82 each	189,224
Filed 2019-11-04 15:55 Tx date 2019-10-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,006 +4,214 vol $1.90 each	185,010
Filed 2019-11-04 15:55 Tx date 2019-10-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,122 +4,214 vol $1.93 each	180,796
Filed 2019-11-04 15:55 Tx date 2019-10-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,721 +1,000 vol $1.72 each	176,582
Filed 2019-11-04 15:54 Tx date 2019-10-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,753 +4,214 vol $1.84 each	175,582
Filed 2019-11-04 15:54 Tx date 2019-10-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,080 +4,214 vol $1.92 each	171,368
Filed 2019-11-04 15:53 Tx date 2019-10-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,231 +4,214 vol $1.72 each	167,154
Filed 2019-11-04 15:53 Tx date 2019-10-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$94,947 +69,814 vol $1.36 each	162,940
Filed 2019-11-04 15:52 Tx date 2019-10-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$5,852 +4,214 vol $1.39 each	93,126
Filed 2019-11-04 15:52 Tx date 2019-10-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,114 +4,214 vol $1.45 each	88,912
Filed 2019-11-04 15:51 Tx date 2019-10-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,300 +4,200 vol $1.50 each	84,698
Filed 2019-11-04 15:51 Tx date 2019-10-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$81,321 +54,214 vol $1.50 each	80,498
Filed 2019-11-04 15:50 Tx date 2019-10-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,455 +4,214 vol $1.53 each	26,284
Filed 2019-11-04 15:50 Tx date 2019-10-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,573 +4,214 vol $1.56 each	22,070
Filed 2019-11-04 15:50 Tx date 2019-10-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,660 +1,000 vol $1.66 each	17,856
Filed 2019-11-04 15:49 Tx date 2019-10-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,746 +4,214 vol $1.60 each	16,856
Filed 2019-11-04 15:49 Tx date 2019-10-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,861 +4,214 vol $1.63 each	12,642
Filed 2019-10-03 13:44 Tx date 2019-09-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-174,138 vol	8,428
Filed 2019-10-03 13:36 Tx date 2019-09-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,189 +4,214 vol $1.71 each	182,566
Filed 2019-10-03 13:36 Tx date 2019-09-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,761 +4,214 vol $1.84 each	178,352
Filed 2019-10-03 13:36 Tx date 2019-09-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,316 +4,214 vol $1.97 each	174,138
Filed 2019-10-03 13:35 Tx date 2019-09-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,088 +4,214 vol $1.92 each	169,924
Filed 2019-10-03 13:35 Tx date 2019-09-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,751 +4,214 vol $1.84 each	165,710
Filed 2019-10-03 13:34 Tx date 2019-09-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,585 +4,214 vol $1.80 each	161,496
Filed 2019-10-03 13:34 Tx date 2019-09-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,428 +4,214 vol $1.76 each	157,282
Filed 2019-10-03 13:34 Tx date 2019-09-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,007 +4,214 vol $1.66 each	153,068
Filed 2019-10-03 13:33 Tx date 2019-09-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,868 +4,214 vol $1.63 each	148,854
Filed 2019-10-03 13:33 Tx date 2019-09-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,751 +4,214 vol $1.60 each	144,640
Filed 2019-10-03 13:32 Tx date 2019-09-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,491 +4,214 vol $1.54 each	140,426
Filed 2019-10-03 13:32 Tx date 2019-09-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,784 +4,214 vol $1.61 each	136,212
Filed 2019-10-03 13:31 Tx date 2019-09-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,171 +4,214 vol $1.70 each	131,998
Filed 2019-10-03 13:25 Tx date 2019-09-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$3,340 +1,900 vol $1.76 each	127,784
Filed 2019-10-03 13:24 Tx date 2019-09-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,169 +700 vol $1.67 each	125,884
Filed 2019-10-03 13:23 Tx date 2019-09-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,950 +4,214 vol $1.65 each	125,184
Filed 2019-10-03 13:23 Tx date 2019-09-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,950 +4,214 vol $1.65 each	120,970
Filed 2019-10-03 13:22 Tx date 2019-09-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,824 +4,214 vol $1.62 each	116,756
Filed 2019-10-03 13:22 Tx date 2019-09-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,001 +4,214 vol $1.66 each	112,542
Filed 2019-10-03 13:21 Tx date 2019-09-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,993 +4,214 vol $1.66 each	108,328
Filed 2019-09-04 14:25 Tx date 2019-08-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-81,966 vol	99,900
Filed 2019-09-04 14:24 Tx date 2019-08-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,052 +4,214 vol $1.67 each	104,114
Filed 2019-09-04 14:23 Tx date 2019-08-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$167,841 +99,900 vol $1.68 each	181,866
Filed 2019-09-04 14:23 Tx date 2019-08-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,972 +4,214 vol $1.65 each	81,966
Filed 2019-09-04 14:22 Tx date 2019-08-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,800 +4,214 vol $1.61 each	77,752
Filed 2019-09-04 14:22 Tx date 2019-08-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,163 +4,214 vol $1.70 each	73,538
Filed 2019-09-04 14:21 Tx date 2019-08-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,163 +4,214 vol $1.70 each	69,324
Filed 2019-09-04 14:21 Tx date 2019-08-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,489 +4,214 vol $1.78 each	65,110
Filed 2019-09-04 14:20 Tx date 2019-08-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,373 +4,214 vol $1.75 each	60,896
Filed 2019-09-04 14:20 Tx date 2019-08-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,211 +4,214 vol $1.71 each	56,682
Filed 2019-09-04 14:19 Tx date 2019-08-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,376 +4,214 vol $1.75 each	52,468
Filed 2019-09-04 14:19 Tx date 2019-08-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,890 +4,214 vol $1.87 each	48,254
Filed 2019-09-04 14:18 Tx date 2019-08-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,428 +4,214 vol $2.00 each	44,040
Filed 2019-09-04 14:18 Tx date 2019-08-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,560 +4,214 vol $2.03 each	39,826
Filed 2019-09-04 14:17 Tx date 2019-08-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,428 +4,214 vol $2.00 each	35,612
Filed 2019-09-04 14:17 Tx date 2019-08-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,427 +4,214 vol $2.00 each	31,398
Filed 2019-09-04 14:16 Tx date 2019-08-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,419 +4,214 vol $2.00 each	27,184
Filed 2019-09-04 14:15 Tx date 2019-08-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,736 +4,214 vol $2.07 each	22,970
Filed 2019-09-04 14:15 Tx date 2019-08-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,428 +4,214 vol $2.00 each	18,756
Filed 2019-09-04 14:14 Tx date 2019-08-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,449 +4,214 vol $2.01 each	14,542
Filed 2019-09-04 14:14 Tx date 2019-08-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,395 +4,214 vol $1.99 each	10,328
Filed 2019-08-01 17:41 Tx date 2019-07-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,416 +4,214 vol $2.00 each	6,114
Filed 2019-08-01 17:41 Tx date 2019-07-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$3,762 +1,900 vol $1.98 each	1,900
Filed 2019-08-01 17:30 Tx date 2019-07-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-178,538 vol	0
Filed 2019-08-01 17:29 Tx date 2019-07-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,268 +4,214 vol $1.96 each	178,538
Filed 2019-08-01 17:28 Tx date 2019-07-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,814 +3,500 vol $1.95 each	174,324
Filed 2019-08-01 17:28 Tx date 2019-07-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,600 +4,214 vol $2.04 each	170,824
Filed 2019-08-01 17:27 Tx date 2019-07-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,381 +4,214 vol $1.99 each	166,610
Filed 2019-08-01 17:27 Tx date 2019-07-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,223 +4,214 vol $1.95 each	162,396
Filed 2019-08-01 17:26 Tx date 2019-07-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$168,963 +97,100 vol $1.74 each	158,182
Filed 2019-08-01 17:26 Tx date 2019-07-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,313 +4,214 vol $1.74 each	61,082
Filed 2019-08-01 17:25 Tx date 2019-07-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,961 +4,214 vol $1.65 each	56,868
Filed 2019-08-01 17:25 Tx date 2019-07-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,762 +4,214 vol $1.60 each	52,654
Filed 2019-08-01 17:25 Tx date 2019-07-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,733 +4,214 vol $1.60 each	48,440
Filed 2019-08-01 17:24 Tx date 2019-07-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,726 +4,214 vol $1.60 each	44,226
Filed 2019-08-01 17:24 Tx date 2019-07-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,919 +4,214 vol $1.64 each	40,012
Filed 2019-08-01 17:23 Tx date 2019-07-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,085 +4,214 vol $1.68 each	35,798
Filed 2019-08-01 17:23 Tx date 2019-07-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,979 +4,214 vol $1.66 each	31,584
Filed 2019-08-01 17:22 Tx date 2019-07-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,163 +4,214 vol $1.70 each	27,370
Filed 2019-08-01 17:22 Tx date 2019-07-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,189 +4,214 vol $1.71 each	23,156
Filed 2019-08-01 17:21 Tx date 2019-07-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,515 +4,200 vol $1.79 each	18,942
Filed 2019-08-01 17:21 Tx date 2019-07-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,810 +1,000 vol $1.81 each	14,742
Filed 2019-08-01 17:20 Tx date 2019-07-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,634 +4,214 vol $1.81 each	13,742
Filed 2019-08-01 17:20 Tx date 2019-07-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,701 +4,214 vol $1.83 each	9,528
Filed 2019-08-01 17:17 Tx date 2019-06-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,464 +4,214 vol $1.77 each	5,314
Filed 2019-08-01 17:16 Tx date 2019-06-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,861 +1,100 vol $1.69 each	1,100
Filed 2019-08-01 17:12 Tx date 2019-05-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,464 +4,214 vol $1.77 each
Filed 2019-08-01 17:12 Tx date 2019-06-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,861 +1,100 vol $1.69 each
Filed 2019-08-01 17:10 Tx date 2019-05-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,464 +4,214 vol $1.77 each
Filed 2019-08-01 17:10 Tx date 2019-06-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,861 +1,100 vol $1.69 each
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 2019-07-02 18:53 Tx date 2019-06-27	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-125,470 vol	0
Filed 2019-07-02 18:52 Tx date 2019-06-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,453 +4,214 vol $1.77 each	125,470
Filed 2019-07-02 18:52 Tx date 2019-06-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,638 +4,214 vol $1.81 each	121,256
Filed 2019-07-02 18:51 Tx date 2019-06-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,961 +4,214 vol $1.89 each	117,042
Filed 2019-07-02 18:51 Tx date 2019-06-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,584 +4,214 vol $1.80 each	112,828
Filed 2019-07-02 18:50 Tx date 2019-06-20	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$180,415 +104,214 vol $1.73 each	108,614
Filed 2019-07-02 18:50 Tx date 2019-06-19	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$6,639 +4,100 vol $1.62 each	4,400
Filed 2019-07-02 18:49 Tx date 2019-06-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$495.00 +300 vol $1.65 each	300
Filed 2019-06-04 13:37 Tx date 2019-05-31	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-44,412 vol	0
Filed 2019-06-04 13:36 Tx date 2019-05-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,189 +4,214 vol $1.94 each	7,014
Filed 2019-06-04 13:34 Tx date 2019-05-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,585 +4,214 vol $1.80 each	44,412
Filed 2019-06-04 13:33 Tx date 2019-05-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$4,628 +2,600 vol $1.78 each	40,198
Filed 2019-06-04 13:33 Tx date 2019-05-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,760 +1,000 vol $1.76 each	37,598
Filed 2019-06-04 13:32 Tx date 2019-05-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$534.00 +300 vol $1.78 each	36,598
Filed 2019-06-04 13:31 Tx date 2019-05-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$356.00 +200 vol $1.78 each	36,298
Filed 2019-06-04 13:31 Tx date 2019-05-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,669 +4,214 vol $1.82 each	36,098
Filed 2019-06-04 13:31 Tx date 2019-05-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,669 +4,214 vol $1.82 each	31,884
Filed 2019-06-04 13:30 Tx date 2019-05-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,669 +4,214 vol $1.82 each	27,670
Filed 2019-06-04 13:29 Tx date 2019-05-14	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$2,002 +1,100 vol $1.82 each	23,456
Filed 2019-06-04 13:28 Tx date 2019-05-13	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$3,866 +2,100 vol $1.84 each	22,356
Filed 2019-06-04 13:28 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,921 +4,214 vol $1.88 each	20,256
Filed 2019-06-04 13:27 Tx date 2019-05-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,152 +600 vol $1.92 each	16,042
Filed 2019-06-04 13:27 Tx date 2019-05-07	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,090 +4,214 vol $1.92 each	15,442
Filed 2019-06-04 13:26 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,090 +4,214 vol $1.92 each	11,228
Filed 2019-06-04 13:26 Tx date 2019-05-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,186 +4,212 vol $1.94 each
Filed 2019-06-04 13:25 Tx date 2019-05-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,330 +700 vol $1.90 each	2,800
Filed 2019-06-04 13:25 Tx date 2019-05-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$4,074 +2,100 vol $1.94 each	2,100
Filed 2019-05-16 21:58 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+98,651 vol	98,651
Filed 2019-05-16 21:58 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Lujan, Alonso 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2019-05-14 13:56 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 Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,418 vol	106,173
Filed 2019-05-14 13:52 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+53,221 vol	53,221
Filed 2019-05-14 13:50 Tx date 2019-04-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Arrarte Grau, Ricardo Miguel 4 - Director of Issuer Direct Ownership	Restricted Share Unit 00 - Opening Balance-Initial SEDI Report
Filed 2019-05-13 15:18 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,418 vol	96,408
Filed 2019-05-13 13:59 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,418 vol	106,174
Filed 2019-05-13 13:57 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+39,677 vol	58,984
Filed 2019-05-13 13:56 Tx date 2019-05-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+71,418 vol	106,173
Filed 2019-05-06 17:37 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+117,307 vol	245,332
Filed 2019-05-06 17:36 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+11,274 vol	22,534
Filed 2019-05-06 17:34 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+36,043 vol	80,282
Filed 2019-05-06 17:33 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+108,868 vol	255,887
Filed 2019-05-06 17:32 Tx date 2019-05-06	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 56 - Grant of rights	+359,117 vol	456,562
Filed 2019-05-02 15:33 Tx date 2019-04-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol	0
Filed 2019-05-02 15:33 Tx date 2019-04-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,294 +4,214 vol $1.97 each	4,214
Filed 2019-04-30 15:42 Tx date 2019-04-30	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-842,684 vol	0
Filed 2019-04-30 15:41 Tx date 2019-04-26	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$5,922 +3,100 vol $1.91 each	842,684
Filed 2019-04-30 15:41 Tx date 2019-04-25	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,536 +800 vol $1.92 each	839,584
Filed 2019-04-30 15:40 Tx date 2019-04-24	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,267 +4,214 vol $1.96 each	838,784
Filed 2019-04-30 15:40 Tx date 2019-04-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$5,928 +3,000 vol $1.98 each	834,570
Filed 2019-04-30 15:39 Tx date 2019-04-22	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$2,388 +1,200 vol $1.99 each	831,570
Filed 2019-04-30 15:39 Tx date 2019-04-18	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$7,454 +3,600 vol $2.07 each	830,370
Filed 2019-04-30 15:38 Tx date 2019-04-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$4,273 +2,100 vol $2.04 each	826,770
Filed 2019-04-30 15:38 Tx date 2019-04-16	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$4,239 +2,100 vol $2.02 each	824,670
Filed 2019-04-30 15:37 Tx date 2019-04-12	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,502 +4,214 vol $2.02 each	822,570
Filed 2019-04-30 15:37 Tx date 2019-04-11	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$206.00 +100 vol $2.06 each	818,356
Filed 2019-04-30 15:35 Tx date 2019-04-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-500 vol
Filed 2019-04-30 15:35 Tx date 2019-04-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-800,000 vol
Filed 2019-04-30 15:35 Tx date 2019-04-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:34 Tx date 2019-04-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:34 Tx date 2019-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:34 Tx date 2019-04-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-900 vol
Filed 2019-04-30 15:33 Tx date 2019-04-10	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,722 +4,214 vol $2.07 each	818,256
Filed 2019-04-30 15:32 Tx date 2019-04-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-500 vol
Filed 2019-04-30 15:30 Tx date 2019-04-09	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,035 +500 vol $2.07 each	814,042
Filed 2019-04-30 15:29 Tx date 2019-04-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-800,000 vol
Filed 2019-04-30 15:28 Tx date 2019-04-08	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,616,000 +800,000 vol $2.02 each	813,542
Filed 2019-04-30 15:28 Tx date 2019-04-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:27 Tx date 2019-04-05	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$8,795 +4,214 vol $2.09 each	13,542
Filed 2019-04-30 15:27 Tx date 2019-04-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:26 Tx date 2019-04-04	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$9,001 +4,214 vol $2.14 each	9,328
Filed 2019-04-30 15:26 Tx date 2019-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol
Filed 2019-04-30 15:25 Tx date 2019-04-03	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$9,017 +4,214 vol $2.14 each	5,114
Filed 2019-04-30 15:24 Tx date 2019-04-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-900 vol
Filed 2019-04-30 15:24 Tx date 2019-04-02	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$1,953 +900 vol $2.17 each	900
Filed 2019-04-16 14:22 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 Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+23,107 vol	515,140
Filed 2019-04-16 14:20 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 Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-23,107 vol	34,755
Filed 2019-03-29 10:11 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 Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+23,147 vol
Filed 2019-03-29 10:08 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 Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-23,147 vol
Filed 2019-04-09 17:18 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+57,958 vol
Filed 2019-04-01 13:58 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+57,958 vol
Filed 2019-04-02 15:46 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+6,671 vol	7,519
Filed 2019-04-02 15:46 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Vizquerra, Jose 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-13,342 vol	24,990
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+71,643 vol	351,986
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+57,958 vol	219,041
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-23,107 vol	34,755
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+67,112 vol	440,775
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+23,107 vol	514,500
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Guimaraes, Edmundo Gontardo 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-134,224 vol	128,025
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-71,643 vol	97,445
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+21,148 vol	260,383
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Renaud, Philip 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+12,838 vol	3,345,479
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-107,330 vol	147,019
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+9,528 vol	39,983
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Neff, Jill 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-19,056 vol	11,260
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+38,134 vol	318,504
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+24,592 vol	53,959
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Cater, Douglas Frederick 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-47,668 vol	34,756
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Renaud, Philip 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-12,838 vol	19,308
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Dean, Steven 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-26,435 vol	19,307
Filed 2019-04-01 Tx date 2019-03-29	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	McAllister, Michael 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-49,123 vol	44,239
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 Holder: Arias Resource Capital Management LP (Control or Direction)	Common Shares 57 - Exercise of rights	+23,147 vol	515,180
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 Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-23,147 vol	34,715
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-24,562 vol	169,088
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-24,562 vol	57,862
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Gonzales, Igor 4 - Director of Issuer, 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+24,562 vol	280,343
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Renaud, Philip 4 - Director of Issuer Direct Ownership	Restricted Share Unit 58 - Expiration of rights	-13,597 vol	32,146
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Romero, Dionisio 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+24,562 vol	491,393
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Renaud, Philip 4 - Director of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+13,597 vol	3,332,641
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-31,147 vol	254,349
Filed 2019-03-04 Tx date 2019-03-01	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Babcock, Gordon 5 - Senior Officer of Issuer Direct Ownership	Common Shares 57 - Exercise of rights	+31,147 vol	161,083
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 Holder: Arias Resource Capital Management LP (Control or Direction)	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 Direct Ownership	Restricted Share Unit 57 - Exercise of rights	-24,562 vol	57,862
Filed 2019-02-08 Tx date 2019-01-23	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$10,535 +4,214 vol $2.50 each	4,214
Filed 2019-02-08 Tx date 2019-01-21	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-3,000 vol	0
Filed 2019-02-08 Tx date 2019-01-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$482.00 +200 vol $2.41 each	200
Filed 2019-02-08 Tx date 2019-01-28	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-200 vol	0
Filed 2019-02-08 Tx date 2019-01-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	$10,594 +4,214 vol $2.51 each	4,214
Filed 2019-02-08 Tx date 2019-01-17	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol	0
Filed 2019-02-08 Tx date 2019-01-15	$SMT Sierra Metals Inc. (formerly Dia Bras Exploration Inc.)	Sierra Metals Inc. 1 - Issuer Direct Ownership	Common Shares 38 - Redemption, retraction, cancellation, repurchase	-4,214 vol	0
Filed 2019-02-08 Tx date 2019-01-22	$SMT