Thiel Frederick G
SEC CIK 1567383 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MARA | MARA Holdings, Inc. | CEO, Dir | 4.31M | $19.1K | $10.49M | 57 | 2020-12-15 | 2026-09-17 |
Most active insiders at MARA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Thiel Frederick G | CEO, Dir | — | $3.84M |
| 2 | Khan Salman Hassan | CFO | — | $2.99M |
| 3 | Nowaid Zabi | GC | — | $1.49M |
| 4 | MELLINGER DOUGLAS K | Dir | — | $149.3K |
| 5 | Mealer-Burke Vicki | Dir | — | — |
| 6 | GEORGE JANET | Dir | — | — |
| 7 | Leupp Jay P | Dir | — | — |
| 8 | Humpton Barbara | Dir | — | — |
| 9 | ANTOUN GEORGES | Dir | — | — |
Transactions 57
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-18 19:00 | 2026-09-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $11.45 | -27.5K | 4.31M | -0.6% | -$314.9K |
| T | 2026-08-19 19:00 | 2026-08-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $9.21 | -27.5K | 4.34M | -0.6% | -$253.3K |
| M | 2026-08-04 19:00 | 2026-07-31+ | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $11.49 | -67.7K | 4.36M | -2% | -$778.2K |
| 2026-08-03 19:00 | 2026-07-30 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $11.82 | -40.5K | 4.43M | -0.9% | -$478.7K | |
| T | 2026-07-20 19:00 | 2026-07-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $10.90 | -27.5K | 4.47M | -0.6% | -$299.8K |
| 2026-07-02 19:00 | 2026-07-01 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $13.89 | -63.1K | 4.50M | -1% | -$876.5K | |
| T | 2026-06-22 19:00 | 2026-06-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $14.25 | -27.5K | 4.56M | -0.6% | -$391.9K |
| T | 2026-05-20 19:00 | 2026-05-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $11.46 | -27.3K | 4.62M | -0.6% | -$313.0K |
| T | 2026-05-20 19:00 | 2026-05-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $12.00 | -27.5K | 4.59M | -0.6% | -$330.1K |
| 2026-05-04 21:00 | 2026-04-30 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $11.99 | -80.9K | 4.64M | -2% | -$969.8K | |
| T | 2026-04-21 19:00 | 2026-04-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $11.68 | -27.5K | 4.73M | -0.6% | -$321.3K |
| 2026-04-03 19:00 | 2026-04-01 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $8.16 | -36.2K | 4.75M | -0.8% | -$295.6K | |
| 2026-03-19 | 2026-03-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $9.18 | -27.5K | 4.79M | -0.6% | -$252.5K | |
| 2026-02-24 | 2026-02-20 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $7.50 | -91.4K | 4.82M | -2% | -$685.2K | |
| 2026-02-20 | 2026-02-20 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | A - Grant | $0.00 | +752.1K | 4.91M | +18% | $0 | |
| 2026-02-19 | 2026-02-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | A - Grant | $0.00 | +773.9K | 4.16M | +23% | $0 | |
| 2026-02-19 | 2026-02-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $7.66 | -27.5K | 3.38M | -0.8% | -$210.7K | |
| 2026-02-06 | 2026-02-05 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $9.12 | -67.7K | 3.41M | -2% | -$617.5K | |
| 2026-02-03 | 2026-01-30 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $9.50 | -40.5K | 3.48M | -1% | -$384.7K | |
| 2026-01-22 | 2026-01-20 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $10.80 | -27.5K | 3.52M | -0.8% | -$297.1K | |
| 2026-01-09 | 2026-01-08 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $8.98 | -10.4K | 3.55M | -0.3% | -$93.6K | |
| 2025-12-19 | 2025-12-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $10.77 | -27.5K | 3.56M | -0.8% | -$296.2K | |
| 2025-11-19 | 2025-11-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $11.99 | -27.5K | 3.58M | -0.8% | -$329.8K | |
| 2025-11-10 | 2025-11-06 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $17.81 | -27.3K | 3.61M | -0.8% | -$486.5K | |
| M | 2025-11-04 | 2025-10-31+ | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $18.01 | -80.9K | 3.68M | -2% | -$1.46M |
| 2025-10-20 | 2025-10-17 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $19.57 | -27.5K | 3.72M | -0.7% | -$538.3K | |
| 2025-10-03 | 2025-10-01 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $18.26 | -9,584 | 3.75M | -0.3% | -$175.0K | |
| M | 2025-09-18 | 2025-09-16+ | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $16.87 | -55.0K | 3.78M | -1% | -$927.7K |
| 2025-08-19 | 2025-08-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $15.28 | -27.5K | 3.81M | -0.7% | -$420.3K | |
| M | 2025-08-08 | 2025-08-06 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $16.11 | -108.2K | 3.87M | -3% | -$1.74M |
| 2025-07-18 | 2025-07-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $19.52 | -27.5K | 3.95M | -0.7% | -$536.9K | |
| 2025-07-11 | 2025-07-09 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $15.68 | -9,584 | 3.97M | -0.2% | -$150.3K | |
| 2025-06-18 | 2025-06-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $15.30 | -27.5K | 3.98M | -0.7% | -$420.8K | |
| M | 2025-05-20 | 2025-05-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $13.54 | -108.2K | 4.07M | -3% | -$1.47M |
| 2025-05-20 | 2025-05-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $15.68 | -27.5K | 4.01M | -0.7% | -$431.3K | |
| 2025-05-13 | 2025-05-09 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $15.00 | -55.0K | 4.15M | -1% | -$825.1K | |
| M | 2025-04-10 | 2025-04-08 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $13.53 | -58.9K | 4.25M | -1% | -$796.3K |
| M | 2025-03-04 | 2025-02-28 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $18.18 | -67.7K | 4.29M | -2% | -$1.23M |
| 2025-02-28 | 2025-02-28 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | A - Grant | $0.00 | +417.6K | 4.33M | +11% | $0 | |
| 2025-02-20 | 2025-02-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $16.68 | -27.5K | 3.91M | -0.7% | -$458.8K | |
| 2025-02-05 | 2025-02-03 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $19.56 | -162.2K | 3.94M | -4% | -$3.17M | |
| 2025-01-21 | 2025-01-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $18.01 | -27.5K | 4.10M | -0.7% | -$495.4K | |
| 2024-12-18 | 2024-12-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $23.50 | -27.5K | 4.13M | -0.7% | -$646.4K | |
| 2024-11-20 | 2024-11-18 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $19.80 | -27.5K | 4.16M | -0.7% | -$544.6K | |
| 2024-11-07 | 2024-11-05 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $16.50 | -67.7K | 4.18M | -2% | -$1.12M | |
| 2024-10-18 | 2024-10-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $17.50 | -27.5K | 4.25M | -0.6% | -$481.3K | |
| 2024-09-20 | 2024-09-20 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $15.70 | -27.5K | 4.28M | -0.6% | -$431.9K | |
| 2024-05-06 | 2024-05-01 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | A - Grant | $0.00 | +1.65M | 4.36M | +61% | $0 | |
| 2024-02-20 | 2024-02-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | F - Tax | $17.73 | -161.6K | 2.72M | -6% | -$2.86M | |
| 2024-02-02 | 2024-01-31 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | A - Grant | $0.00 | +1.64M | 2.88M | +133% | $0 | |
| A | 2024-01-02 | 2020-12-15 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | S - Sale | $6.50 | -5,000 | 1.24M | -0.4% | -$32.5K |
| DM | 2023-05-17 | 2022-07-26+ | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | C - Cnv Deriv | $10.36 | +85.7K | 239.9K | +56% | +$887.9K |
| 2022-12-21 | 2022-12-16 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | P - Purchase | $3.82 | +5,000 | 154.2K | +3% | +$19.1K | |
| 2022-10-11 | 2022-10-10 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | C - Cnv Deriv | $10.77 | -37.5K | 149.2K | -20% | -$403.9K | |
| D | 2022-05-18 | 2022-04-25 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | C - Cnv Deriv | $18.15 | +88.2K | 186.7K | +90% | +$1.60M |
| D | 2021-10-08 | 2021-10-05 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | C - Cnv Deriv | $33.63 | +10.1K | 98.5K | +11% | +$338.0K |
| D | 2021-08-25 | 2021-08-23 | MARA | MARA Holdings, Inc. | Thiel Frederick G | CEO, Dir | C - Cnv Deriv | $35.26 | +17.0K | 88.4K | +24% | +$598.9K |
Purchase Sale Sale after option exercise All abbreviations