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: 20
Latest filed: May 14, 2026
| Form | Count |
|---|---|
| 4 | 11 |
| 8-K | 6 |
| SCHEDULE 13G/A | 1 |
| SCHEDULE 13G | 1 |
| 4/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 14, 2026 | 8-K | May 14, 2026 | 0001104659-26-060716 | View |
| May 08, 2026 | 8-K | May 05, 2026 | 0001104659-26-057977 | View |
| Apr 16, 2026 | 8-K | Apr 16, 2026 | 0001104659-26-044426 | View |
| Apr 14, 2026 | 4 | Apr 12, 2026 | 0001193125-26-155209 | View |
| Apr 14, 2026 | 4 | Apr 12, 2026 | 0001193125-26-155211 | View |
| Apr 14, 2026 | 4 | Apr 12, 2026 | 0001193125-26-155212 | View |
| Apr 14, 2026 | 4 | Apr 12, 2026 | 0001193125-26-155213 | View |
| 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 |