Alta Copper Corp (ATCU)

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The most recent insider trading activity occurred on March 9, 2026, with a significant buy transaction by Nascent Exploration Pty Ltd., a 10% security holder, acquiring over 60 million shares. Prior to this, several buy transactions were made by Director Giulio Bonifacio and Senior Officer Dale Andrew Found in late 2025.

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Ticker: ATCU Exchange: TOR

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

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Trades

Nascent Exploration Pty Ltd.

10% Security Holder of Issuer

1 purchase — total 84,803,351 CAD

Buy 9 Mar 2026

Value CA$3,480,236.34 | Price 451.97 | Shares 70,932

Bonifacio, Giulio

Director of Issuer

1 purchase — total 1,860 CAD

Buy 29 Sep 2025

Value CA$3,007,634.84 | Price 147.60 | Shares 84,742

Bonifacio, Giulio

Director of Issuer

1 purchase — total 1,180 CAD

Buy 26 Sep 2025

Value CA$1,180.00 | Price 0.59 | Shares 2,000

Found, Dale Andrew

Senior Officer of Issuer

1 purchase — total 15,990 CAD

Buy 25 Sep 2025

Value CA$15,989.57 | Price 0.53 | Shares 30,169

Bonifacio, Giulio

Director of Issuer

1 purchase — total 2,400 CAD

Buy 24 Sep 2025

Value CA$2,400.00 | Price 0.48 | Shares 5,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 2,500 CAD

Buy 23 Sep 2025

Value CA$2,500.00 | Price 0.50 | Shares 5,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 2,700 CAD

Buy 11 Sep 2025

Value CA$2,700.00 | Price 0.54 | Shares 5,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 810 CAD

Buy 10 Sep 2025

Value CA$810.00 | Price 0.54 | Shares 1,500

Bonifacio, Giulio

Director of Issuer

1 purchase — total 1,710 CAD

Buy 9 Sep 2025

Value CA$1,710.00 | Price 0.57 | Shares 3,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 2,400 CAD

Buy 28 May 2025

Value CA$2,400.00 | Price 0.48 | Shares 5,000

Bonifacio, Giulio

Director of Issuer

2 purchases — total 2,413 CAD

Buy 27 May 2025

Value CA$1,187.50 | Price 0.48 | Shares 2,500

Buy 27 May 2025

Value CA$1,225.00 | Price 0.49 | Shares 2,500

Nascent Exploration Pty Ltd.

10% Security Holder of Issuer

1 purchase — total 1,500,000 CAD

Buy 17 May 2025

Value CA$1,499,999.76 | Price 0.51 | Shares 2,941,176

Bonifacio, Giulio

Director of Issuer

1 purchase — total 4,000 CAD

Buy 30 Apr 2025

Value CA$4,000.00 | Price 0.40 | Shares 10,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 6,200 CAD

Buy 29 Apr 2025

Value CA$6,200.00 | Price 0.40 | Shares 15,500

Found, Dale Andrew

Senior Officer of Issuer

1 purchase — total 4,834 CAD

Buy 11 Apr 2025

Value CA$4,834.06 | Price 0.43 | Shares 11,242

Bonifacio, Giulio

Director of Issuer

1 purchase — total 4,358 CAD

Buy 4 Apr 2025

Value CA$4,357.50 | Price 0.42 | Shares 10,500

Bonifacio, Giulio

Director of Issuer

1 purchase — total 7,440 CAD

Buy 28 Mar 2025

Value CA$7,440.00 | Price 0.47 | Shares 16,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 7,350 CAD

Buy 26 Mar 2025

Value CA$7,350.00 | Price 0.49 | Shares 15,000

Bonifacio, Giulio

Director of Issuer

1 purchase — total 6,370 CAD

Buy 24 Mar 2025

Value CA$6,370.00 | Price 0.46 | Shares 14,000

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
2026-03-20	2026-03-09	B Purchase	1.5 Nascent Exploration Pty Ltd. 10% Security Holder of Issuer Large shareholder	70,932 +30.7% 451.97 CA$3,480,236	70,932 +30.7%	451.97	CA$3,480,236
2025-09-29	2025-09-29	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	84,742 +34.5% 147.60 CA$3,007,635	84,742 +34.5%	147.60	CA$3,007,635
2025-09-29	2025-09-26	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	67,802 -30.3% 306.34 CA$978,042	67,802 -30.3%	306.34	CA$978,042
2025-09-25	2025-09-25	B Purchase	4.2 Found, Dale Andrew Senior Officer of Issuer Officer	30,169 +15.7% 0.53 CA$15,990	30,169 +15.7%	0.53	CA$15,990
2025-09-24	2025-09-24	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	5,000 +0.2% 0.48 CA$2,400	5,000 +0.2%	0.48	CA$2,400
2025-09-24	2025-09-23	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	5,000 +0.2% 0.50 CA$2,500	5,000 +0.2%	0.50	CA$2,500
2025-09-13	2025-09-11	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	5,000 +0.2% 0.54 CA$2,700	5,000 +0.2%	0.54	CA$2,700
2025-09-13	2025-09-10	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	1,500 +0.1% 0.54 CA$810	1,500 +0.1%	0.54	CA$810
2025-09-13	2025-09-09	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	3,000 +0.1% 0.57 CA$1,710	3,000 +0.1%	0.57	CA$1,710
2025-05-30	2025-05-28	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	5,000 +0.2% 0.48 CA$2,400	5,000 +0.2%	0.48	CA$2,400
2025-05-30	2025-05-27	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	2,500 +0.1% 0.48 CA$1,188	2,500 +0.1%	0.48	CA$1,188
2025-05-30	2025-05-27	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	2,500 +0.1% 0.49 CA$1,225	2,500 +0.1%	0.49	CA$1,225
2025-05-20	2025-05-17	B Purchase	1.5 Nascent Exploration Pty Ltd. 10% Security Holder of Issuer Large shareholder	2,941,176 +9.6% 0.51 CA$1,500,000	2,941,176 +9.6%	0.51	CA$1,500,000
2025-05-02	2025-04-30	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	10,000 +0.5% 0.40 CA$4,000	10,000 +0.5%	0.40	CA$4,000
2025-05-02	2025-04-29	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	15,500 +0.7% 0.40 CA$6,200	15,500 +0.7%	0.40	CA$6,200
2025-04-11	2025-04-11	B Purchase	4.2 Found, Dale Andrew Senior Officer of Issuer Officer	11,242 +6.2% 0.43 CA$4,834	11,242 +6.2%	0.43	CA$4,834
2025-04-09	2025-04-04	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	10,500 +0.5% 0.42 CA$4,358	10,500 +0.5%	0.42	CA$4,358
2025-04-09	2025-03-28	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	16,000 +0.7% 0.47 CA$7,440	16,000 +0.7%	0.47	CA$7,440
2025-04-09	2025-03-26	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	15,000 +0.7% 0.49 CA$7,350	15,000 +0.7%	0.49	CA$7,350
2025-04-09	2025-03-24	B Purchase	1.7 Bonifacio, Giulio Director of Issuer Non-Executive Director	14,000 +0.7% 0.46 CA$6,370	14,000 +0.7%	0.46	CA$6,370