Company · CIK 2019804

# Terrestrial Energy Inc. /DE/

| CIK | [2019804](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002019804) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 3443 — Fabricated Plate Work (Boiler Shops) |
| Incorporated in | DE |
| Business address | NC |
| Listed | IMSR (Nasdaq), IMSRW (Nasdaq) |
| First annual or quarterly report | 2024-09-27 |

## Offerings

 2 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-291796 | Registered company Effective | 2025-11-26 | 2026-06-11 | 4 |
| 333-280283 | IPO Final prospectus | 2024-06-18 | 2024-08-16 | 6 |

## Filings

 13

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2026-06-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2019804/999999999526001960/9999999995-26-001960-index.htm) Declared effective | 333-291796 | 9999999995-26-001960 |
| 2025-12-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2019804/999999999525003908/9999999995-25-003908-index.htm) Declared effective | 333-291796 | 9999999995-25-003908 |
| 2025-12-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/2019804/000110465925123776/0001104659-25-123776-index.htm) Amendment | 333-291796 | 0001104659-25-123776 |
| 2025-11-26 | [S-1](https://www.sec.gov/Archives/edgar/data/2019804/000110465925116127/0001104659-25-116127-index.htm) Registration filed | 333-291796 | 0001104659-25-116127 |
| 2025-09-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2019804/999999999525003111/9999999995-25-003111-index.htm) Declared effective | 333-288735 | 9999999995-25-003111 |
| 2025-05-30 | [DRS](https://www.sec.gov/Archives/edgar/data/2019804/000121390025049574/0001213900-25-049574-index.htm) Draft made public | 377-08067 | 0001213900-25-049574 |
| 2024-08-16 | [424B4](https://www.sec.gov/Archives/edgar/data/2019804/000114036124037680/0001140361-24-037680-index.htm) Final prospectus | 333-280283 | 0001140361-24-037680 |
| 2024-08-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2019804/999999999524002538/9999999995-24-002538-index.htm) Declared effective | 333-280283 | 9999999995-24-002538 |
| 2024-08-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/2019804/000114036124035550/0001140361-24-035550-index.htm) Amendment | 333-280283 | 0001140361-24-035550 |
| 2024-07-19 | [S-1/A](https://www.sec.gov/Archives/edgar/data/2019804/000114036124033640/0001140361-24-033640-index.htm) Amendment | 333-280283 | 0001140361-24-033640 |
| 2024-07-05 | [S-1/A](https://www.sec.gov/Archives/edgar/data/2019804/000114036124032445/0001140361-24-032445-index.htm) Amendment | 333-280283 | 0001140361-24-032445 |
| 2024-06-18 | [S-1](https://www.sec.gov/Archives/edgar/data/2019804/000114036124030416/0001140361-24-030416-index.htm) Registration filed | 333-280283 | 0001140361-24-030416 |
| 2024-04-26 | [DRS](https://www.sec.gov/Archives/edgar/data/2019804/000114036124022515/0001140361-24-022515-index.htm) Draft made public | 377-07204 | 0001140361-24-022515 |

[All filings of this company](https://equitycapital.markets/filings?cik=2019804) · [CSV](https://equitycapital.markets/filings.csv?cik=2019804)

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Source page: https://equitycapital.markets/company/2019804 · Data: U.S. SEC EDGAR · CC BY 4.0