ATLX's three largest insider shareholders as of April 25, 2026 are Marc Fogassa (Chief Executive Officer, 202.53Mn shares), Marc Fogassa (Chief Executive Officer, 202.53Mn shares), Marc Fogassa (Chief Executive Officer, 202.53Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Marc Fogassa | Chief Executive Officer | 202,530,688 | 0 | 16 Jun, 2022 |
| Marc Fogassa | Chief Executive Officer | 202,530,688 | 0 | 16 Jun, 2022 |
| Marc Fogassa | Chief Executive Officer | 202,530,688 | 0 | 16 Jun, 2022 |
| Marc Fogassa | Chief Executive Officer | 193,929,360 | 0 | 29 Jun, 2022 |
| Marc Fogassa | Chief Executive Officer | 193,929,360 | 0 | 29 Jun, 2022 |
| Marc Fogassa | Chief Executive Officer | 193,929,360 | 0 | 29 Jun, 2022 |
| Brian W. Bernier | Vice President | 26,910,962 | 0 | 15 Nov, 2021 |
| Marc Fogassa | Chief Executive Officer | 5,324,723 | 0 | 02 Apr, 2026 |
| Marc Fogassa | Chief Executive Officer | 5,324,723 | 0 | 02 Apr, 2026 |
| Marc Fogassa | Chief Executive Officer | 5,324,723 | 0 | 02 Apr, 2026 |
| Igor Tkachenko | Vp, Corporate Strategy | 297,633 | 0 | 10 Apr, 2026 |
| Igor Tkachenko | Vp, Corporate Strategy | 297,633 | 0 | 10 Apr, 2026 |
| Igor Tkachenko | Vp, Corporate Strategy | 290,356 | 0 | 10 Mar, 2026 |
| Roger Noriega | - | 255,051 | 0 | 17 Apr, 2026 |
| Brian W. Bernier | V.P. Communications | 45,033 | 0 | 13 Sep, 2024 |
| Brian W. Bernier | Vp, Corporate Development | 44,077 | 0 | 03 Jan, 2023 |
| Tiago Miranda | Chief Financial Officer | 30,000 | 0 | 20 Apr, 2026 |
| Paiva Monteiro Joel De | Vp, Admin Ops, Esg Chief | 0 | 15,908 | 03 Jan, 2023 |
| Paiva Monteiro Joel De | Vp, Admin Ops, Esg Chief | 0 | 15,908 | 03 Jan, 2023 |
| Paiva Monteiro Joel De | Vp, Admin Ops, Esg Chief | 0 | 15,908 | 03 Jan, 2023 |
| Da Silva Junior Areli Nogueira | Vp, Mineral Exploration | 0 | 11,696 | 03 Jan, 2023 |
| Da Silva Junior Areli Nogueira | Vp, Mineral Exploration | 0 | 11,696 | 03 Jan, 2023 |
| Da Silva Junior Areli Nogueira | Vp, Mineral Exploration | 0 | 11,696 | 03 Jan, 2023 |
| Rodrigo Menck | - | 11,450 | 0 | 22 Aug, 2024 |
| Rodrigo Menck | - | 11,450 | 0 | 22 Aug, 2024 |
| Rodrigo Menck | - | 11,450 | 0 | 22 Aug, 2024 |
| Volodymyr Myadzel | Senior Vp, Geology | 2,920 | 0 | 03 Jan, 2023 |
| Volodymyr Myadzel | Senior Vp, Geology | 2,920 | 0 | 03 Jan, 2023 |
| Volodymyr Myadzel | Senior Vp, Geology | 2,920 | 0 | 03 Jan, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 16 Apr, 2026 | Tiago Miranda | Common Stock | D | 4,400 | $5.00 | 35,831 | D | S |
| 17 Apr, 2026 | Tiago Miranda | Common Stock | D | 5,831 | $5.03 | 30,000 | D | S |
| 15 Apr, 2026 | Roger Noriega | Common Stock | D | 10,000 | $4.70 | 255,201 | D | S |
| 15 Apr, 2026 | Roger Noriega | Common Stock | D | 150 | $4.73 | 255,051 | D | S |
| 09 Apr, 2026 | Igor Tkachenko | Common Stock | A | 7,277 | $0.00 | 297,633 | D | A |
| 09 Apr, 2026 | Igor Tkachenko | Common Stock | A | 7,277 | $0.00 | 297,633 | D | A |
| 31 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,555 | $4.32 | 5,324,723 | D | D |
| 31 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,555 | $4.32 | 5,324,723 | D | D |
| 31 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,555 | $4.32 | 5,324,723 | D | D |
| 18 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,560 | $4.58 | 5,407,550 | D | D |
| 18 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,560 | $4.58 | 5,407,550 | D | D |
| 18 Mar, 2026 | Marc Fogassa | Common Stock | D | 55,560 | $4.58 | 5,407,550 | D | D |
| 09 Mar, 2026 | Marc Fogassa | Common Stock | D | 27,272 | $4.81 | 4,843,832 | D | D |
| 10 Mar, 2026 | Igor Tkachenko | Common Stock | A | 7,910 | $0.00 | 290,356 | D | A |
| 10 Mar, 2026 | Igor Tkachenko | Common Stock | A | 7,910 | $0.00 | 290,356 | D | A |
| 09 Mar, 2026 | Marc Fogassa | Common Stock | D | 27,272 | $4.81 | 4,843,832 | D | D |
| 09 Mar, 2026 | Marc Fogassa | Common Stock | D | 27,272 | $4.81 | 4,843,832 | D | D |
| 10 Mar, 2026 | Igor Tkachenko | Common Stock | A | 7,910 | $0.00 | 290,356 | D | A |
| 12 Feb, 2026 | Marc Fogassa | Common Stock | D | 27,272 | $4.49 | 4,871,104 | D | D |
| 12 Feb, 2026 | Marc Fogassa | Common Stock | D | 27,272 | $4.49 | 4,871,104 | D | D |