Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not 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>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-12-18 Option Award | 2025-12-22 4:30 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Matthews Shawn Director | 4,925 | $0 | 9,115 (Direct) | View |
| 2025-11-06 Other | 2025-11-13 7:31 pm | 2025-11-27 2030-10-28 | Terrestrial Energy Inc. | IMSR | Matthews Shawn HCM Investor Holdings II LLC Director | 6,420,000 | $0 | 8,251,113 (Indirect) | View |
| 2025-10-28 Other | 2025-10-30 8:31 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Matthews Shawn HCM Investor Holdings II LLC Director | 6,208,514 | $0 | 17,959,627 (Indirect) | View |
| 2025-10-28 Other | 2025-10-30 8:31 pm | 2025-11-27 2030-10-28 | Terrestrial Energy Inc. | IMSR | Matthews Shawn HCM Investor Holdings II LLC Director | 5,542,599 | $11.5 | 17,959,627 (Indirect) | View |
| 2025-07-31 Other | 2025-08-05 9:07 pm | N/A N/A | HCM III ACQUISITION CORP. | HCMA | Matthews Shawn HCM INVESTOR HOLDINGS III LLC Chairman and CEO 10% Owner | 75,000 | $0.004 | 8,358,333 (Indirect) | View |
Ownership | 2025-07-31 4:30 pm | N/A N/A | HCM III ACQUISITION CORP. | HCMA | Matthews Shawn HCM INVESTOR HOLDINGS III LLC Chairman and CEO | 0 | $0 | 8,433,333 (Indirect) | View |
| 2024-08-19 Other | 2024-08-20 8:47 pm | N/A N/A | HCM II Acquisition Corp. | HCMA | Matthews Shawn HCM Investor Holdings II LLC Chairman and CEO 10% Owner | 75,000 | $0.004 | 5,675,000 (Indirect) | View |
Ownership | 2024-08-15 5:31 pm | N/A N/A | HCM II Acquisition Corp. | HCMA | Matthews Shawn HCM Investor Holdings II LLC Chairman and CEO 10% Owner | 0 | $0 | 5,750,000 (Indirect) | View |
| 2024-03-20 Other | 2024-03-22 6:11 pm | N/A N/A | HCM Acquisition Corp | HCMA | Matthews Shawn HCM Investor Holdings LLC Chairman and CEO 10% Owner | 9,987,500 | $0 | 9,987,500 (Indirect) | View |
| 2022-01-25 Other | 2022-01-27 4:55 pm | N/A N/A | HCM Acquisition Corp | HCMA | Matthews Shawn HCM Investor Holdings LLC Chairman and CEO 10% Owner | 75,000 | $0.002 | 9,987,500 (Indirect) | View |
Ownership | 2022-01-20 4:36 pm | N/A N/A | HCM Acquisition Corp | HCMA | Matthews Shawn HCM Investor Holdings LLC Chairman and CEO | 0 | $0 | 10,062,500 (Indirect) | View |