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 |
| 2025-11-06 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 |
Ownership | 2025-11-07 6:47 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Pardee Charles G Director | 0 | $0 | 409,086 (Direct) | View |
Ownership | 2025-11-07 6:45 pm | 2024-01-29 2043-01-29 | Terrestrial Energy Inc. | IMSR | JOHNSON WILLIAM D Director | 0 | $0 | 134,109 (Direct) | View |
Ownership | 2025-11-07 6:43 pm | 2025-12-05 2044-12-03 | Terrestrial Energy Inc. | IMSR | Jones Robert Wood Director | 0 | $0 | 67,055 (Direct) | View |
Ownership | 2025-11-07 6:41 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | MacDiarmid John Hugh Director | 0 | $0 | 2,166,910 (Direct) | View |
Ownership | 2025-11-07 6:40 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | LeBlanc David Michael Chief Technology Officer | 0 | $0 | 11,400,412 (Direct) | View |
Ownership | 2025-11-07 6:38 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | BUCKMAN FREDERICK W Director | 0 | $0 | 356,874 (Direct) | View |
Ownership | 2025-11-07 6:37 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Hill David John Director | 0 | $0 | 655,489 (Direct) | View |
Ownership | 2025-11-07 6:35 pm | 2026-07-09 2045-07-09 | Terrestrial Energy Inc. | IMSR | Millsap Steven M. GC, Sec'y & Chief Comp. Off'r | 0 | $0 | 134,109 (Direct) | View |
Ownership | 2025-11-07 6:34 pm | N/A 2036-05-02 | Terrestrial Energy Inc. | IMSR | Smith William F. Chief Operating Officer | 0 | $0 | 1,730,007 (Direct) | View |
Ownership | 2025-11-07 6:33 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Irish Simon Chief Executive Officer | 0 | $0 | 11,684,580 (Direct) | View |
Ownership | 2025-11-07 6:32 pm | 2026-04-30 2045-04-30 | Terrestrial Energy Inc. | IMSR | Thrasher Brian Patrick Chief Financial Officer | 0 | $0 | 156,461 (Direct) | View |
| 2025-10-28 Other | 2025-10-30 8:33 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Connor Michael J Former Director Director | 25,000 | $0 | 50,000 (Direct) | View |
| 2025-10-28 Other | 2025-10-30 8:33 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Brenner Andrew Scott Former Director Director | 25,000 | $0 | 50,000 (Direct) | View |
| 2025-10-28 Other | 2025-10-30 8:32 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Loveless Jacob Former Director Director | 25,000 | $0 | 50,000 (Direct) | 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 |
| 2025-10-28 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 Option Award | 2025-10-30 7:56 pm | N/A N/A | Terrestrial Energy Inc. | IMSR | Irish Simon Chief Executive Officer | 166,298 | $0 | 166,298 (Direct) | View |
| 2024-08-19 Other | 2024-08-20 8:52 pm | N/A N/A | HCM II Acquisition Corp. | HCMA | Brenner Andrew Scott Director | 25,000 | $0.004 | 25,000 (Direct) | 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 |
| 2024-08-19 Other | 2024-08-20 8:42 pm | N/A N/A | HCM II Acquisition Corp. | HCMA | Connor Michael J Director | 25,000 | $0.004 | 25,000 (Direct) | View |
| 2024-08-19 Other | 2024-08-20 8:37 pm | N/A N/A | HCM II Acquisition Corp. | HCMA | Loveless Jacob Director | 25,000 | $0.004 | 25,000 (Direct) | 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 |