Thiel Frederick G (CIK 1567383) reported 45 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-19). Recent activity: Sell MARA (27,505 shares), Sell MARA (40,388 shares), Sell MARA (27,316 shares), Sell MARA (40,497 shares), Sell MARA (27,505 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $253,321 |
| 2026-08-04 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 40,388 | $457,192 |
| 2026-08-04 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,316 | $320,963 |
| 2026-08-03 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 40,497 | $478,675 |
| 2026-07-20 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $299,804 |
| 2026-07-02 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 63,101 | $876,473 |
| 2026-06-22 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $391,946 |
| 2026-05-20 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,316 | $313,041 |
| 2026-05-20 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $330,060 |
| 2026-05-04 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 80,884 | $969,799 |
| 2026-04-21 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $321,258 |
| 2026-04-03 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 36,230 | $295,637 |
| 2026-03-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $252,496 |
| 2026-02-24 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 91,356 | $685,170 |
| 2026-02-20 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Buy | 752,093 | $0 |
| 2026-02-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $210,688 |
| 2026-02-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Buy | 773,861 | $0 |
| 2026-02-06 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 67,704 | $617,460 |
| 2026-02-03 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 40,496 | $384,712 |
| 2026-01-22 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $297,054 |
| 2026-01-09 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 10,418 | $93,554 |
| 2025-12-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $296,229 |
| 2025-11-19 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,505 | $329,785 |
| 2025-11-10 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 27,316 | $486,498 |
| 2025-11-04 | MARA Holdings, Inc. (MARA) | Chief Executive Officer | Sell | 40,497 | $719,227 |
Source: SEC Form 4 filings · as of 2026-08-19