Mumford Gregory J.D. Insider Trading -- Recent SEC Form 4 Transactions
Mumford Gregory J.D. (CIK 2090886) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-10-08). Recent activity: Buy CIFR (17,109 shares), Sell CIFR (6,895 shares), Buy CIFR (17,109 shares), Buy CIFR (17,108 shares), Sell CIFR (6,895 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-08 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Buy | 17,109 | $0 |
| 2026-10-08 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Sell | 6,895 | $109,148 |
| 2026-10-02 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Buy | 17,109 | $0 |
| 2026-07-02 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Buy | 17,108 | $0 |
| 2026-07-02 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Sell | 6,895 | $168,928 |
| 2026-04-07 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Buy | 17,108 | $0 |
| 2026-04-07 | Cipher Digital Inc. (CIFR) | Chief Financial Officer | Sell | 7,114 | $91,557 |
Source: SEC Form 4 filings · as of 2026-10-08