Thiel Frederick G
Director · Officer · MARA
As of 2026-09-16, Thiel Frederick G has 50 Form 4 transactions on record across 1 company — 28 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $47.9M
- Indirect $0
| MARA | direct | 4,335,697 sh | $47.9M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | MARA | Sale | 27,505 @ $9.21 | $253K | −0.6% of holding | 4,335,697 | Form 4 |
| 2026-07-17 | MARA | Sale | 27,505 @ $10.90 | $300K | −0.6% of holding | 4,471,403 | Form 4 |
| 2026-06-17 | MARA | Sale | 27,505 @ $14.25 | $392K | −0.6% of holding | 4,562,009 | Form 4 |
| 2026-05-18 | MARA | Sale | 27,505 @ $12.00 | $330K | −0.6% of holding | 4,589,514 | Form 4 |
| 2026-04-17 | MARA | Sale | 27,505 @ $11.68 | $321K | −0.6% of holding | 4,725,219 | Form 4 |
| 2026-03-17 | MARA | Sale | 27,505 @ $9.18 | $252K | −0.6% of holding | 4,788,954 | Form 4 |
| 2026-02-17 | MARA | Sale | 27,505 @ $7.66 | $211K | −0.8% of holding | 3,381,861 | Form 4 |
| 2026-01-20 | MARA | Sale | 27,505 @ $10.80 | $297K | −0.8% of holding | 3,517,566 | Form 4 |
| 2025-12-17 | MARA | Sale | 27,505 @ $10.77 | $296K | −0.8% of holding | 3,555,489 | Form 4 |
| 2025-11-17 | MARA | Sale | 27,505 @ $11.99 | $330K | −0.8% of holding | 3,582,994 | Form 4 |
| 2025-10-17 | MARA | Sale | 27,505 @ $19.57 | $538K | −0.7% of holding | 3,718,700 | Form 4 |
| 2025-09-17 | MARA | Sale | 27,505 @ $17.38 | $478K | −0.7% of holding | 3,755,789 | Form 4 |
| 2025-09-16 | MARA | Sale | 27,505 @ $16.35 | $450K | −0.7% of holding | 3,783,294 | Form 4 |
| 2025-08-18 | MARA | Sale | 27,505 @ $15.28 | $420K | −0.7% of holding | 3,810,799 | Form 4 |
| 2025-07-16 | MARA | Sale | 27,505 @ $19.52 | $537K | −0.7% of holding | 3,946,504 | Form 4 |
| 2025-06-16 | MARA | Sale | 27,505 @ $15.30 | $421K | −0.7% of holding | 3,983,593 | Form 4 |
| 2025-05-16 | MARA | Sale | 27,505 @ $15.68 | $431K | −0.7% of holding | 4,011,098 | Form 4 |
| 2025-05-09 | MARA | Sale | 55,010 @ $15.00 | $825K | −1.3% of holding | 4,146,804 | Form 4 |
| 2025-02-18 | MARA | Sale | 27,505 @ $16.68 | $459K | −0.7% of holding | 3,910,843 | Form 4 |
| 2025-01-16 | MARA | Sale | 27,505 @ $18.01 | $495K | −0.7% of holding | 4,100,585 | Form 4 |
| 2024-12-16 | MARA | Sale | 27,505 @ $23.50 | $646K | −0.7% of holding | 4,128,090 | Form 4 |
29 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-03 | MARA | Withheld for tax | 27,316 | 4,363,202 | Form 4 |
| 2026-07-31 | MARA | Withheld for tax | 40,388 | 4,390,518 | Form 4 |
| 2026-07-30 | MARA | Withheld for tax | 40,497 | 4,430,906 | Form 4 |
| 2026-07-01 | MARA | Withheld for tax | 63,101 | 4,498,908 | Form 4 |
| 2026-05-18 | MARA | Withheld for tax | 27,316 | 4,617,019 | Form 4 |
| 2026-04-30 | MARA | Withheld for tax | 80,884 | 4,644,335 | Form 4 |
| 2026-04-01 | MARA | Withheld for tax | 36,230 | 4,752,724 | Form 4 |
| 2026-02-20 | MARA | Withheld for tax | 91,356 | 4,816,459 | Form 4 |
| 2026-02-20 | MARA | Award / grant | 752,093 | 4,907,815 | Form 4 |
| 2026-02-18 | MARA | Award / grant | 773,861 | 4,155,722 | Form 4 |
| 2026-02-05 | MARA | Withheld for tax | 67,704 | 3,409,366 | Form 4 |
| 2026-01-30 | MARA | Withheld for tax | 40,496 | 3,477,070 | Form 4 |
| 2026-01-08 | MARA | Withheld for tax | 10,418 | 3,545,071 | Form 4 |
| 2025-11-06 | MARA | Withheld for tax | 27,316 | 3,610,499 | Form 4 |
| 2025-11-03 | MARA | Withheld for tax | 40,388 | 3,637,815 | Form 4 |
| 2025-10-31 | MARA | Withheld for tax | 40,497 | 3,678,203 | Form 4 |
| 2025-10-01 | MARA | Withheld for tax | 9,584 | 3,746,205 | Form 4 |
| 2025-08-06 | MARA | Withheld for tax | 40,496 | 3,906,008 | Form 4 |
| 2025-08-06 | MARA | Withheld for tax | 40,388 | 3,865,620 | Form 4 |
| 2025-08-06 | MARA | Withheld for tax | 27,316 | 3,838,304 | Form 4 |
| 2025-07-09 | MARA | Withheld for tax | 9,584 | 3,974,009 | Form 4 |
| 2025-05-16 | MARA | Withheld for tax | 80,885 | 4,065,919 | Form 4 |
| 2025-05-16 | MARA | Withheld for tax | 27,316 | 4,038,603 | Form 4 |
| 2025-04-08 | MARA | Withheld for tax | 49,291 | 4,201,814 | Form 4 |
| 2025-04-08 | MARA | Withheld for tax | 9,584 | 4,251,105 | Form 4 |
| 2025-02-28 | MARA | Withheld for tax | 40,388 | 4,288,005 | Form 4 |
| 2025-02-28 | MARA | Withheld for tax | 27,316 | 4,260,689 | Form 4 |
| 2025-02-28 | MARA | Award / grant | 417,550 | 4,328,393 | Form 4 |
| 2025-02-03 | MARA | Withheld for tax | 162,237 | 3,938,348 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.