Thiel Frederick G Insider Trading Activity
Thiel Frederick G has been net-selling over the last 12 months with 0 purchases and 13 sales across 1 company.
MARA is the most-traded position with 13 trades. The largest single transaction was a sale of MARA for $538K on Oct 17, 2025.
Performance Scorecard
Forward stock performance after each transaction by Thiel Frederick G. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -2.4% | 33% | 12 |
| 90 days | — | +10.8% | 60% | 10 |
| 120 days | — | +16.2% | 67% | 9 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMARA · MARA Holdings, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 18, 2026 | MARA | Sell | 27,505 | $12.00 | $330K | CEO |
| Apr 17, 2026 | MARA | Sell | 27,505 | $11.68 | $321K | CEO |
| Mar 17, 2026 | MARA | Sell | 27,505 | $9.18 | $252K | CEO |
| Feb 17, 2026 | MARA | Sell | 27,505 | $7.66 | $211K | CEO |
| Jan 20, 2026 | MARA | Sell | 27,505 | $10.80 | $297K | CEO |
| Dec 17, 2025 | MARA | Sell | 27,505 | $10.77 | $296K | CEO |
| Nov 17, 2025 | MARA | Sell | 27,505 | $11.99 | $330K | CEO |
| Oct 17, 2025 | MARA | Sell | 27,505 | $19.57 | $538K | CEO |
| Sep 17, 2025 | MARA | Sell | 27,505 | $17.38 | $478K | CEO |
| Sep 16, 2025 | MARA | Sell | 27,505 | $16.35 | $450K | CEO |
| Aug 18, 2025 | MARA | Sell | 27,505 | $15.28 | $420K | CEO |
| Jul 16, 2025 | MARA | Sell | 27,505 | $19.52 | $537K | CEO |
| Jun 16, 2025 | MARA | Sell | 27,505 | $15.30 | $421K | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MARA | MARA Holdings, Inc. | 13 | $4.9M |
Other insiders at MARA Holdings, Inc.
3 other tracked filers at MARA.