17 insiders reported 486 Form 4 transactions for Cipher Mining Inc. (CIFR) over the past 18 months (most recent 2026-07-10). Recent activity: Page Tyler (Chief Executive Officer) Sell 112,500 shares, Page Tyler (Chief Executive Officer) Sell 112,500 shares, Iwaschuk William (Co-President and CLO) Buy 29,611 shares, Page Tyler (Chief Executive Officer) Buy 113,225 shares, Iwaschuk William (Co-President and CLO) Buy 33,967 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-10 | Page Tyler | Chief Executive Officer | Sell | 112,500 | $2.6M |
| 2026-07-10 | Page Tyler | Chief Executive Officer | Sell | 112,500 | $2.4M |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Buy | 29,611 | $0 |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Buy | 113,225 | $0 |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Buy | 33,967 | $0 |
| 2026-07-02 | Mumford Gregory J.D. | Chief Financial Officer | Buy | 17,108 | $0 |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Sell | 57,802 | $1.4M |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Sell | 18,784 | $460,208 |
| 2026-07-02 | Mumford Gregory J.D. | Chief Financial Officer | Sell | 6,895 | $168,928 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Sell | 17,341 | $424,854 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Buy | 29,611 | $0 |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Buy | 105,285 | $0 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Buy | 33,967 | $0 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Sell | 15,117 | $370,366 |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Sell | 53,748 | $1.3M |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Sell | 16,375 | $401,188 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Buy | 76,427 | $0 |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Buy | 76,427 | $0 |
| 2026-07-02 | Kelly Patrick Arthur | Co-President and COO | Sell | 39,016 | $955,892 |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Sell | 130,053 | $3.2M |
| 2026-07-02 | Iwaschuk William | Co-President and CLO | Sell | 42,265 | $1.0M |
| 2026-07-02 | Page Tyler | Chief Executive Officer | Buy | 254,756 | $0 |
| 2026-06-23 | Page Tyler | Chief Executive Officer | Sell | 724,520 | $20.4M |
| 2026-06-23 | Page Tyler | Chief Executive Officer | Buy | 1.4M | $0 |
| 2026-06-23 | GROSSMAN CARY M | Director | Sell | 15,000 | $441,450 |
Source: SEC Form 4 filings · as of 2026-07-10