As of June 02, 2026, the three largest insider holders of CIFR are Top Holdco B.V. Bitfury (TenPercentOwner, 93.38Mn shares), Holding Ltd V3 (TenPercentOwner, 61.32Mn shares), Tyler Page (Chief Executive Officer, 8.51Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert R B Dykes | - | 1,103,745 | 0 | 11 Sep, 2024 |
| Cary M Grossman | President And Cfo | 170,530 | 0 | 24 Mar, 2026 |
| Edward J Farrell | Chief Financial Officer | 1,482,622 | 0 | 02 Oct, 2025 |
| James E Newsome | - | 127,331 | 0 | 06 Mar, 2026 |
| Top Holdco B.V. Bitfury | - | 0 | 93,378,292 | 16 Jul, 2025 |
| Wesley Hastie Williams | - | 158,145 | 0 | 23 Dec, 2025 |
| Caitlin Long | - | 226,781 | 0 | 06 Jun, 2025 |
| Patrick Arthur Kelly | Co President And Coo | 1,499,856 | 0 | 02 Apr, 2026 |
| Tyler Page | Chief Executive Officer | 8,507,180 | 0 | 02 Apr, 2026 |
| William Iwaschuk | Co President And Clo | 1,464,610 | 0 | 02 Apr, 2026 |
| Holly Morrow Evans | - | 195,512 | 0 | 28 Nov, 2025 |
| Holding Ltd V3 | - | 0 | 61,316,694 | 16 Oct, 2025 |
| Robert Flatley | - | 138,872 | 0 | 06 Jun, 2025 |
| Gregory J.D. Mumford | Chief Financial Officer | 9,994 | 0 | 07 Apr, 2026 |
| Thomas David Duda | - | 17,680 | 0 | 27 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Mar, 2026 | Gregory J.D. Mumford | Common Stock | A | 17,108 | - | 17,108 | D | M |
| 31 Mar, 2026 | Gregory J.D. Mumford | Common Stock | D | 7,114 | $12.87 | 9,994 | D | F |
| 31 Mar, 2026 | Gregory J.D. Mumford | Restricted Stock Units | D | 17,108 | $0.00 | 563,198 | D | M |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | A | 33,968 | - | 1,424,477 | D | M |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | A | 33,968 | - | 1,424,477 | D | M |
| 31 Mar, 2026 | Tyler Page | Common Stock | A | 113,225 | - | 8,377,087 | D | M |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | A | 33,968 | - | 1,453,776 | D | M |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | A | 33,968 | - | 1,453,776 | D | M |
| 31 Mar, 2026 | Tyler Page | Common Stock | A | 113,225 | - | 8,377,087 | D | M |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | A | 33,968 | - | 1,424,477 | D | M |
| 31 Mar, 2026 | Tyler Page | Common Stock | A | 113,225 | - | 8,377,087 | D | M |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | A | 33,968 | - | 1,453,776 | D | M |
| 31 Mar, 2026 | Tyler Page | Common Stock | D | 46,147 | $12.87 | 8,330,940 | D | F |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | D | 12,386 | $12.87 | 1,441,390 | D | F |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | D | 13,825 | $12.87 | 1,410,652 | D | F |
| 31 Mar, 2026 | Tyler Page | Common Stock | D | 46,147 | $12.87 | 8,330,940 | D | F |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | D | 13,825 | $12.87 | 1,410,652 | D | F |
| 31 Mar, 2026 | William Iwaschuk | Common Stock | D | 13,825 | $12.87 | 1,410,652 | D | F |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | D | 12,386 | $12.87 | 1,441,390 | D | F |
| 31 Mar, 2026 | Patrick Arthur Kelly | Common Stock | D | 12,386 | $12.87 | 1,441,390 | D | F |