Terrestrial Energy Inc. /DE/ (IMSR) Form 8-K Material Events
Terrestrial Energy Inc. /DE/ (IMSR) is a publicly traded company on the Nasdaq, categorized under SIC 3443 (Fabricated Plate Work (Boiler Shops)). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: IMSR
CIK: 2019804
Exchange: Nasdaq
SIC 3443: Fabricated Plate Work (Boiler Shops)
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
UHY LLP
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerChristopher King
Audit LocationMelville, New York, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-15 | 2026-10-14 | 4 | 0001193125-26-423068 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-13 | 4 | 0001193125-26-421089 | View SEC Doc Filr Page |
| 4 | 2026-10-13 | 2026-10-09 | 4 | 0001193125-26-420002 | View SEC Doc Filr Page |
| 424B3 | 2026-08-14 | — | 424B3 | 0002019804-26-000027 | View SEC Doc Filr Page |
| 10-Q | 2026-08-11 | 2026-06-30 | 10-Q | 0001104659-26-094085 | View SEC Doc Filr Page |
| 8-K | 2026-08-11 | 2026-08-11 | 8-K | 0001104659-26-093776 | View SEC Doc Filr Page |
| 4 | 2026-07-31 | 2026-07-29 | 4 | 0001193125-26-328808 | View SEC Doc Filr Page |
| 3 | 2026-07-31 | 2026-07-29 | 3 | 0001193125-26-328703 | View SEC Doc Filr Page |
| 8-K | 2026-07-31 | 2026-07-27 | 8-K | 0002019804-26-000021 | View SEC Doc Filr Page |
| 8-K | 2026-07-28 | 2026-07-23 | 8-K | 0002019804-26-000018 | View SEC Doc Filr Page |
| 4 | 2026-07-27 | 2026-07-23 | 4 | 0001193125-26-318233 | View SEC Doc Filr Page |
| 3 | 2026-07-27 | 2026-07-23 | 3 | 0001193125-26-318156 | View SEC Doc Filr Page |
| 8-K | 2026-07-21 | 2026-07-21 | 8-K | 0002019804-26-000013 | View SEC Doc Filr Page |
| 8-K | 2026-07-17 | 2026-07-14 | 8-K | 0002019804-26-000006 | View SEC Doc Filr Page |
| 8-K | 2026-06-12 | 2026-06-11 | 8-K | 0001104659-26-073471 | View SEC Doc Filr Page |
| EFFECT | 2026-06-11 | — | EFFECT Filing | 9999999995-26-001960 | View SEC Doc Filr Page |
| POS AM | 2026-06-05 | — | POS AM | 0001104659-26-071014 | View SEC Doc Filr Page |
| S-8 | 2026-05-19 | — | S-8 | 0001104659-26-063860 | View SEC Doc Filr Page |
| 424B3 | 2026-05-14 | — | 424B3 | 0001104659-26-061280 | View SEC Doc Filr Page |
| 424B3 | 2026-05-14 | — | 424B3 | 0001104659-26-061279 | View SEC Doc Filr Page |
| 10-Q | 2026-05-14 | 2026-03-31 | 10-Q | 0001104659-26-061234 | View SEC Doc Filr Page |
| 8-K | 2026-05-14 | 2026-05-14 | 8-K | 0001104659-26-060716 | View SEC Doc Filr Page |
| 8-K | 2026-05-08 | 2026-05-05 | 8-K | 0001104659-26-057977 | View SEC Doc Filr Page |
| ARS | 2026-04-29 | 2025-12-31 | ARS | 0001104659-26-051687 | View SEC Doc Filr Page |
| DEFA14A | 2026-04-29 | — | DEFA14A | 0001104659-26-051678 | View SEC Doc Filr Page |