HYMC's three largest insider shareholders as of March 23, 2026 are Eric Sprott (TenPercentOwner, 37.10Mn shares), Capital Management, L.P. Mudrick (TenPercentOwner, 13.65Mn shares), Advisors Llc Whitebox (TenPercentOwner, 735.12K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital Management, L.P. Mudrick | 0 | 13,646,677 | 06 Feb, 2023 | |
| Advisors Llc Whitebox | 0 | 735,117 | 10 Mar, 2022 | |
| Stanton K Rideout | Executive Vice President Cfo | 498,447 | 0 | 11 Mar, 2026 |
| Rebecca Jennings | Svp General Counsel | 215,794 | 0 | 17 Mar, 2026 |
| David Brian Thomas | Svp, General Manager | 202,374 | 0 | 11 Mar, 2026 |
| Stephen A Lang | 109,238 | 0 | 11 Mar, 2026 | |
| Thomas S. Weng | 93,671 | 0 | 11 Mar, 2026 | |
| Michael James Harrison | 80,044 | 0 | 11 Mar, 2026 | |
| David C Naccarati | 78,963 | 0 | 17 Mar, 2026 | |
| Marni Wieshofer | 0 | 70,125 | 15 Dec, 2025 | |
| Marni Wieshofer | 52,270 | 0 | 28 May, 2023 | |
| Jeffrey Stieber | Svp Finance Treasurer | 41,909 | 0 | 16 Jun, 2021 |
| Rebecca Jennings | Senior Vice President | 0 | 11,940 | 04 May, 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Mar, 2026 | Rebecca Jennings | Class A Common Stock | D | 9,071 | $39.33 | 215,794 | D | S |
| 09 Mar, 2026 | David C Naccarati | Class A Common Stock | A | 3,062 | $0.00 | 78,963 | D | A |
| 09 Mar, 2026 | Rebecca Jennings | Class A Common Stock | A | 11,113 | $0.00 | 224,865 | D | A |
| 09 Mar, 2026 | Stanton K Rideout | Class A Common Stock | A | 17,224 | $0.00 | 498,447 | D | A |
| 27 Jan, 2026 | David Brian Thomas | Class A Common Stock | D | 6,975 | $50.50 | 191,261 | D | F |
| 09 Mar, 2026 | Stephen A Lang | Class A Common Stock | A | 3,062 | $0.00 | 109,238 | D | A |
| 09 Mar, 2026 | Thomas S. Weng | Class A Common Stock | A | 3,062 | $0.00 | 93,671 | D | A |
| 27 Jan, 2026 | Stanton K Rideout | Class A Common Stock | D | 20,553 | $50.50 | 481,223 | D | F |
| 27 Jan, 2026 | Rebecca Jennings | Class A Common Stock | D | 6,157 | $50.50 | 213,752 | D | F |
| 09 Mar, 2026 | Michael James Harrison | Class A Common Stock | A | 3,062 | $0.00 | 80,044 | D | A |
| 09 Mar, 2026 | David Brian Thomas | Class A Common Stock | A | 11,113 | $0.00 | 202,374 | D | A |
| 27 Jan, 2026 | David Brian Thomas | Class A Common Stock | A | 117,166 | $0.00 | 198,236 | D | A |
| 27 Jan, 2026 | Stanton K Rideout | Class A Common Stock | A | 318,790 | $0.00 | 501,776 | D | A |
| 27 Jan, 2026 | Rebecca Jennings | Class A Common Stock | A | 119,885 | $0.00 | 219,909 | D | A |
| 27 Jan, 2026 | David Brian Thomas | Class A Common Stock | D | 4,379 | $50.50 | 193,857 | D | F |
| 27 Jan, 2026 | Stanton K Rideout | Class A Common Stock | D | 17,582 | $50.50 | 484,194 | D | F |
| 27 Jan, 2026 | Rebecca Jennings | Class A Common Stock | D | 3,872 | $50.50 | 216,037 | D | F |
| 29 Dec, 2025 | David Brian Thomas | Class A Common Stock | D | 15,000 | $21.21 | 81,070 | D | S |
| 12 Dec, 2025 | Marni Wieshofer | Class A Common Stock | D | 3,859 | $13.37 | 70,125 | I | S |
| 23 Oct, 2025 | David Brian Thomas | Class A Common Stock | D | 20,000 | $7.39 | 96,070 | D | S |