Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-11-13 9:45 pm Sale | 2026-09-30 | 13G | DEEP FISSION INC FISN | Tompkins Mark N. | 2,026,767 3.400% | -1,131,566 (-35.83%) | Filing History |
| 2026-07-20 06:05 am Purchase | 2026-07-17 | 13G | Margaree Acquisition Corp. | Tompkins Mark N. | 7,500,000 75.000% | 2,770,834 (+58.59%) | Filing History |
| 2026-06-01 7:47 pm Purchase | 2026-05-22 | 13G | MATTERNET INC MTTN | Tompkins Mark N. | 4,729,166 9.900% | 1,579,166 (+50.13%) | Filing History |
| 2026-05-15 5:41 pm Sale | 2026-03-31 | 13G | AELUMA INC ALMU | Tompkins Mark N. | 885,000 4.830% | -1,139,988 (-56.30%) | Filing History |
| 2026-05-15 5:15 pm Purchase | 2026-03-31 | 13G | DEEP ISOLATION NUCLEAR INC DBHL | Tompkins Mark N. | 3,150,000 5.500% | 875,000 (+38.46%) | Filing History |
| 2026-05-15 4:39 pm Purchase | 2026-03-31 | 13G | DEEP FISSION INC FISN | Tompkins Mark N. | 3,158,333 5.600% | 200,000 (+6.76%) | Filing History |
| 2026-02-17 5:38 pm Purchase | 2025-12-31 | 13G | Primus Acquisition Inc. | Tompkins Mark N. | 7,500,000 75.000% | 7,500,000 (New Position) | Filing |
| 2026-02-17 5:34 pm Purchase | 2025-12-31 | 13G | Range Acquisition Corp. | Tompkins Mark N. | 7,500,000 75.000% | 7,500,000 (New Position) | Filing |
| 2026-02-17 5:28 pm Sale | 2025-12-31 | 13G | AELUMA INC ALMU | Tompkins Mark N. | 2,024,988 11.340% | -831,845 (-29.12%) | Filing History |
| 2025-11-14 3:37 pm Purchase | 2025-09-30 | 13G | Var Acquisition Corp. | Tompkins Mark N. | 7,500,000 75.000% | 7,500,000 (New Position) | Filing |
| 2025-11-14 3:37 pm Purchase | 2025-09-30 | 13G | Orielle Acquisition Corp. | Tompkins Mark N. | 4,750,000 95.000% | 4,750,000 (New Position) | Filing |
| 2025-11-14 3:37 pm Purchase | 2025-09-30 | 13G | MATTERNET INC MTTN | Tompkins Mark N. | 7,500,000 75.000% | 7,500,000 (New Position) | Filing |
| 2025-11-14 3:36 pm Sale | 2025-09-30 | 13G | DEEP ISOLATION NUCLEAR INC DBHL | Tompkins Mark N. | 2,275,000 3.960% | -2,475,000 (-52.11%) | Filing |
| 2025-11-14 3:36 pm Sale | 2025-09-30 | 13G | DEEP FISSION INC FISN | Tompkins Mark N. | 2,958,333 5.820% | -1,791,667 (-37.72%) | Filing History |
| 2025-11-14 3:36 pm Sale | 2025-09-30 | 13G | AELUMA INC ALMU | Tompkins Mark N. | 2,856,833 15.990% | -59,000 (-2.02%) | Filing History |
| 2025-04-03 5:32 pm Purchase | 2025-03-27 | 13G | AELUMA INC ALMU | Tompkins Mark N. | 2,915,833 18.500% | 200,000 (+7.36%) | Filing History |
| 2025-02-14 4:00 pm Sale | 2024-12-31 | 13G | Lomond Therapeutics Holdings, Inc. | Tompkins Mark N. | 1,187,500 4.000% | -3,562,500 (-75.00%) | Filing History |
| 2025-02-14 2:26 pm Sale | 2024-12-31 | 13G | PERFECT MOMENT LTD COM PMNT | Tompkins Mark N. | 652,707 4.100% | -335,118 (-33.92%) | Filing History |
| 2024-11-14 12:36 pm Purchase | 2024-09-30 | 13G | PERFECT MOMENT LTD COM PMNT | Tompkins Mark N. | 987,825 6.300% | 987,825 (New Position) | Filing History |
| 2024-08-14 1:41 pm Unchanged | 2024-06-30 | 13G | GUERRILLA RF INC GUER | Tompkins Mark N. | 427,392 4.200% | 0 (Unchanged) | Filing History |