Through the 90-day period concluding December 20, 2025, Cipher Mining's top three insider stakeholders include TenPercentOwner Holding Ltd V3 (61.32Mn shares), Chief Executive Officer Tyler Page (7.80Mn shares), Chief Financial Officer Edward J Farrell (1.48Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Top Holdco B.V. Bitfury | 93,378,292 | 16 Jul, 2025 | |
| Holding Ltd V3 | 61,316,694 | 16 Oct, 2025 | |
| Tyler Page | Chief Executive Officer | 7,802,551 | 17 Dec, 2025 |
| Capital, Llc Glazer | 1,806,406 | 09 Mar, 2021 | |
| Edward J Farrell | Chief Financial Officer | 1,482,622 | 02 Oct, 2025 |
| Patrick Arthur Kelly | Co President And COO | 1,398,569 | 17 Dec, 2025 |
| William Iwaschuk | Co President And Clo | 1,279,858 | 17 Dec, 2025 |
| Robert R B Dykes | 1,103,745 | 11 Sep, 2024 | |
| Caitlin Long | 226,781 | 06 Jun, 2025 | |
| Wesley Hastie Williams | 208,012 | 14 Nov, 2025 | |
| Cary M Grossman | 200,530 | 28 Nov, 2025 | |
| Holly Morrow Evans | 195,512 | 28 Nov, 2025 | |
| Douglas Clark Wurth | 195,000 | 16 Apr, 2021 | |
| Fred S Zeidman | CEO | 195,000 | 16 Apr, 2021 |
| James E Newsome | 194,313 | 19 Aug, 2025 | |
| Robert Flatley | 138,872 | 06 Jun, 2025 | |
| David I Pauker | 47,500 | 16 Apr, 2021 | |
| John J Iii Lendrum | 47,500 | 16 Apr, 2021 | |
| Tahira Rehmatullah | 47,500 | 16 Apr, 2021 | |
| Paul Fratamico | 47,500 | 16 Apr, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Dec, 2025 | Patrick Arthur Kelly | Common Stock | D | 35,569 | $15.08 | 1,151,770 | D | S |
| 15 Dec, 2025 | Tyler Page | Common Stock | A | 1,567,398 | - | 8,547,285 | D | M |
| 15 Dec, 2025 | William Iwaschuk | Common Stock | A | 470,219 | - | 1,524,707 | D | M |
| 15 Dec, 2025 | Tyler Page | Common Stock | D | 800,157 | $14.74 | 7,747,128 | D | F |
| 15 Dec, 2025 | Patrick Arthur Kelly | Common Stock | A | 470,219 | - | 1,621,989 | D | M |
| 15 Dec, 2025 | William Iwaschuk | Common Stock | D | 260,032 | $14.74 | 1,264,675 | D | F |
| 15 Dec, 2025 | Tyler Page | Common Stock | A | 113,225 | - | 7,860,353 | D | M |
| 15 Dec, 2025 | Patrick Arthur Kelly | Common Stock | D | 240,047 | $14.74 | 1,381,942 | D | F |
| 15 Dec, 2025 | William Iwaschuk | Common Stock | A | 33,968 | - | 1,298,643 | D | M |
| 15 Dec, 2025 | Patrick Arthur Kelly | Common Stock | A | 33,968 | - | 1,415,910 | D | M |
| 15 Dec, 2025 | William Iwaschuk | Common Stock | D | 18,785 | $14.74 | 1,279,858 | D | F |
| 15 Dec, 2025 | Tyler Page | Common Stock | D | 57,802 | $14.74 | 7,802,551 | D | F |
| 15 Dec, 2025 | Patrick Arthur Kelly | Common Stock | D | 17,341 | $14.74 | 1,398,569 | D | F |
| 26 Nov, 2025 | Cary M Grossman | Common Stock | D | 25,000 | $19.00 | 200,530 | D | S |
| 26 Nov, 2025 | Holly Morrow Evans | Common Stock | D | 15,000 | $18.74 | 195,512 | D | S |
| 17 Nov, 2025 | Patrick Arthur Kelly | Common Stock | D | 26,580 | $14.20 | 1,187,339 | D | S |
| 12 Nov, 2025 | Wesley Hastie Williams | Common Stock | D | 18,769 | $17.51 | 208,012 | D | S |
| 12 Nov, 2025 | Holly Morrow Evans | Common Stock | D | 16,269 | $17.39 | 210,512 | D | S |
| 09 Nov, 2025 | Tyler Page | Common Stock | A | 1,419,237 | - | 7,942,408 | D | M |
| 10 Nov, 2025 | Tyler Page | Common Stock | D | 724,521 | $19.65 | 7,217,887 | D | F |