Copper Standard Resources Inc (CSR)

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The most recent insider trading activity occurred on December 22, 2025, with Director Marcel H. de Groot purchasing 17,000 shares. Prior to this, on November 10, 2025, de Groot acquired 65,038 shares. Earlier transactions include a planned purchase by Christian Uria on September 17, 2025, and several buy transactions by de Groot and other directors in late 2024 and December 2023.

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Ticker: CSR Exchange: CNX

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 6,460 CAD

Buy 22 Dec 2025

Value CA$4,098,828.99 | Price 69.25 | Shares 1,079

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 2,660 CAD

Buy 19 Dec 2025

Value CA$1,875,166.93 | Price 26.08 | Shares 6,087

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

2 purchases — total 3,240 CAD

Buy 18 Dec 2025

Value CA$2,100.00 | Price 0.35 | Shares 6,000

Buy 18 Dec 2025

Value CA$1,140.00 | Price 0.38 | Shares 3,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 2,660 CAD

Buy 17 Dec 2025

Value CA$2,660.00 | Price 0.38 | Shares 7,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 19,511 CAD

Buy 10 Nov 2025

Value CA$19,511.40 | Price 0.30 | Shares 65,038

Uria, Christian

Senior Officer of Issuer

1 purchase — total 5,000 CAD

Planned buy 17 Sep 2025

Value CA$5,000.10 | Price 0.30 | Shares 16,667

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 2,750 CAD

Buy 23 Sep 2024

Value CA$2,750.00 | Price 0.50 | Shares 5,500

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 7,170 CAD

Buy 20 Sep 2024

Value CA$7,170.25 | Price 0.49 | Shares 14,500

Vandale, January Jae

10% Security Holder of Issuer

1 purchase — total 145,005 CAD

Buy 22 Dec 2023

Value CA$145,005.00 | Price 0.15 | Shares 966,700

Uria, Christian

Senior Officer of Issuer

1 purchase — total 13,080 CAD

Buy 22 Dec 2023

Value CA$13,080.15 | Price 0.15 | Shares 87,201

Thomasen, Hayley

Director of Issuer

1 purchase — total 472,500 CAD

Buy 22 Dec 2023

Value CA$472,500.00 | Price 0.15 | Shares 3,150,000

O'Flaherty, Daniel

Director of Issuer

1 purchase — total 34,950 CAD

Buy 22 Dec 2023

Value CA$34,950.00 | Price 0.15 | Shares 233,000

Milau, Christian

Director of Issuer

1 purchase — total 75,000 CAD

Buy 22 Dec 2023

Value CA$75,000.00 | Price 0.15 | Shares 500,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 327,500 CAD

Buy 22 Dec 2023

Value CA$327,499.95 | Price 0.15 | Shares 2,183,333

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 2,300 CAD

Buy 27 Oct 2023

Value CA$2,300.00 | Price 0.23 | Shares 10,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 7,980 CAD

Buy 26 Oct 2023

Value CA$7,980.00 | Price 0.19 | Shares 42,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

2 purchases — total 5,820 CAD

Buy 25 Oct 2023

Value CA$4,620.00 | Price 0.22 | Shares 21,000

Buy 25 Oct 2023

Value CA$1,200.00 | Price 0.24 | Shares 5,000

de Groot, Marcel H.

Director of Issuer, Senior Officer of Issuer

1 purchase — total 880 CAD

Buy 20 Oct 2023

Value CA$880.00 | Price 0.22 | Shares 4,000

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2025-12-23	2025-12-22	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	1,079 -11.4% 69.25 CA$4,098,829	1,079 -11.4%	69.25	CA$4,098,829
2025-12-19	2025-12-19	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	6,087 -25.4% 26.08 CA$1,875,167	6,087 -25.4%	26.08	CA$1,875,167
2025-12-19	2025-12-18	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	95,683 -25.1% 184.71 CA$4,041,506	95,683 -25.1%	184.71	CA$4,041,506
2025-12-19	2025-12-18	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	3,000 +0.0% 0.38 CA$1,140	3,000 +0.0%	0.38	CA$1,140
2025-12-19	2025-12-17	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	7,000 +0.1% 0.38 CA$2,660	7,000 +0.1%	0.38	CA$2,660
2025-11-10	2025-11-10	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	65,038 +0.7% 0.30 CA$19,511	65,038 +0.7%	0.30	CA$19,511
2025-09-18	2025-09-17	PP Planned purchase	Uria, Christian Senior Officer of Issuer Officer	16,667 +24.9% 0.30 CA$5,000	16,667 +24.9%	0.30	CA$5,000
2024-09-23	2024-09-23	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	5,500 +0.1% 0.50 CA$2,750	5,500 +0.1%	0.50	CA$2,750
2024-09-23	2024-09-20	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	14,500 +0.4% 0.49 CA$7,170	14,500 +0.4%	0.49	CA$7,170
2023-12-27	2023-12-22	B Purchase	Vandale, January Jae 10% Security Holder of Issuer Large shareholder	966,700 +12.4% 0.15 CA$145,005	966,700 +12.4%	0.15	CA$145,005
2023-12-26	2023-12-22	B Purchase	Uria, Christian Senior Officer of Issuer Officer	87,201 +94.0% 0.15 CA$13,080	87,201 +94.0%	0.15	CA$13,080
2023-12-26	2023-12-22	B Purchase	2.9 Thomasen, Hayley Director of Issuer Non-Executive Director	3,150,000 +56.3% 0.15 CA$472,500	3,150,000 +56.3%	0.15	CA$472,500
2023-12-26	2023-12-22	B Purchase	O'Flaherty, Daniel Director of Issuer Non-Executive Director	233,000 +11.7% 0.15 CA$34,950	233,000 +11.7%	0.15	CA$34,950
2023-12-26	2023-12-22	B Purchase	2.6 Milau, Christian Director of Issuer Non-Executive Director	500,000 +33.3% 0.15 CA$75,000	500,000 +33.3%	0.15	CA$75,000
2023-12-26	2023-12-22	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	2,183,333 +21.5% 0.15 CA$327,500	2,183,333 +21.5%	0.15	CA$327,500
2023-10-29	2023-10-27	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	10,000 +0.1% 0.23 CA$2,300	10,000 +0.1%	0.23	CA$2,300
2023-10-29	2023-10-26	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	42,000 +0.4% 0.19 CA$7,980	42,000 +0.4%	0.19	CA$7,980
2023-10-29	2023-10-25	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	21,000 +0.2% 0.22 CA$4,620	21,000 +0.2%	0.22	CA$4,620
2023-10-29	2023-10-25	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	5,000 +0.0% 0.24 CA$1,200	5,000 +0.0%	0.24	CA$1,200
2023-10-22	2023-10-20	B Purchase	de Groot, Marcel H. Director of Issuer, Senior Officer of Issuer Executive Director	4,000 +0.0% 0.22 CA$880	4,000 +0.0%	0.22	CA$880