Frederick G. Thiel
Frederick G. Thiel: Chief Executive Officer · Director at MARA Holdings. What Frederick G. Thiel holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
MARA Holdings (MARA)
Frederick G. Thiel holds 4.2M MARA Holdings shares (1.1% of the company), worth about $46.5M at the last price, according to the Form 4 of Oct 1, 2026.
- Shares held: 4.2M (1.1%), $46.5M — Held in their own name.
Declarations
- MARA Holdings (MARA) — Form 4 of Oct 1, 2026 (Chief Executive Officer): shares withheld for tax of 63,101 at $11.33; open-market sale of 27,505 at $11.22; 4.2M shares after 0001493152-26-045635
- MARA Holdings (MARA) — Form 4 of Sep 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $11.45; 4.3M shares after 0001493152-26-043433
- MARA Holdings (MARA) — Form 4 of Aug 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $9.21; 4.3M shares after 0001493152-26-039284
- MARA Holdings (MARA) — Form 4 of Aug 3, 2026 (Chief Executive Officer): shares withheld for tax of 40,388 at $11.32; shares withheld for tax of 27,316 at $11.75; 4.4M shares after 0001493152-26-036065
- MARA Holdings (MARA) — Form 4 of Jul 30, 2026 (Chief Executive Officer): shares withheld for tax of 40,497 at $11.82; 4.4M shares after 0001493152-26-035873
- MARA Holdings (MARA) — Form 4 of Jul 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $10.90; 4.5M shares after 0001493152-26-033955
- MARA Holdings (MARA) — Form 4 of Jul 1, 2026 (Chief Executive Officer): shares withheld for tax of 63,101 at $13.89; 4.5M shares after 0001493152-26-032007
- MARA Holdings (MARA) — Form 4 of Jun 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $14.25; 4.6M shares after 0001493152-26-029651
- MARA Holdings (MARA) — Form 4 of May 18, 2026 (Chief Executive Officer): shares withheld for tax of 27,316 at $11.46; open-market sale of 27,505 at $12.00; 4.6M shares after 0001493152-26-024694
- MARA Holdings (MARA) — Form 4 of Apr 30, 2026 (Chief Executive Officer): shares withheld for tax of 80,884 at $11.99; 4.6M shares after 0001493152-26-021198
- MARA Holdings (MARA) — Form 4 of Apr 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $11.68; 4.7M shares after 0001493152-26-018396
- MARA Holdings (MARA) — Form 4 of Apr 1, 2026 (Chief Executive Officer): shares withheld for tax of 36,230 at $8.16; 4.8M shares after 0001493152-26-015195
- MARA Holdings (MARA) — Form 4 of Mar 17, 2026 (Chief Executive Officer): open-market sale of 27,505 at $9.18; 4.8M shares after 0001493152-26-011703
- MARA Holdings (MARA) — Form 4 of Feb 20, 2026 (Chief Executive Officer): shares withheld for tax of 91,356 at $7.50; 4.8M shares after 0001493152-26-007946
- MARA Holdings (MARA) — Form 4 of Feb 20, 2026 (Chief Executive Officer): grant or award of 752,093; 4.9M shares after 0001493152-26-007662
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.