Terrestrial Energy Inc. /DE/ - IMSR
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 27
Latest filed: Mar 30, 2026
| Form | Count |
|---|---|
| 4 | 13 |
| 8-K | 6 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13D | 2 |
| SCHEDULE 13G | 1 |
| 4/A | 1 |
| 8-K/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Mar 30, 2026 | 8-K | Mar 30, 2026 | 0001104659-26-036467 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | — | 0001104659-26-016540 | View |
| Jan 29, 2026 | 8-K | Jan 29, 2026 | 0001104659-26-007880 | View |
| Jan 22, 2026 | SCHEDULE 13G | — | 0001193805-26-000054 | View |
| Jan 09, 2026 | 4/A | Dec 18, 2025 | 0000950138-26-000002 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0001213900-25-124579 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000034 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000036 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000039 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000041 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000043 | View |
| Dec 22, 2025 | 4 | Dec 18, 2025 | 0000950138-25-000045 | View |
| Nov 24, 2025 | 8-K | Nov 21, 2025 | 0001104659-25-115406 | View |
| Nov 14, 2025 | 8-K/A | Oct 28, 2025 | 0001104659-25-112689 | View |
| Nov 13, 2025 | 4 | Nov 06, 2025 | 0001213900-25-110214 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | — | 0001104659-25-109826 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | — | 0001193125-25-276403 | View |
| Nov 04, 2025 | SCHEDULE 13D | — | 0001104659-25-106325 | View |
| Nov 04, 2025 | SCHEDULE 13D | — | 0001104659-25-106326 | View |
| Nov 03, 2025 | 8-K | Oct 28, 2025 | 0001213900-25-105304 | View |
| Oct 30, 2025 | 4 | Oct 28, 2025 | 0001213900-25-104323 | View |
| Oct 30, 2025 | 4 | Oct 28, 2025 | 0001213900-25-104331 | View |
| Oct 30, 2025 | 4 | Oct 28, 2025 | 0001213900-25-104332 | View |
| Oct 30, 2025 | 4 | Oct 28, 2025 | 0001213900-25-104333 | View |
| Oct 30, 2025 | 4 | Oct 28, 2025 | 0001213900-25-104334 | View |
| Oct 29, 2025 | 8-K | Oct 23, 2025 | 0001213900-25-103554 | View |
| Oct 22, 2025 | 8-K | Oct 22, 2025 | 0001213900-25-101312 | View |