Terrestrial Energy Inc. /DE/ reports

Company location: Charlotte, NC
Fiscal year end: 31 December

Terrestrial Energy Inc. /DE/ has filed 161 SEC EDGAR filings since 26 Apr 2024

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SEC filing history

Showing 26-50 of 161 matching filings.

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25

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2

3

3 filing

Filing date: 22 Jan 2026
Reporting date: 29 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 09 Jan 2026
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-288735

424B3

Filing date: 05 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-292571

FORM S-8

Filing date: 05 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

424B3 File 333-291796

424B3

Filing date: 30 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-291796

EFFECT filing

Filing date: 23 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 23 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-1/A File 333-291796

S-1/A

Filing date: 22 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 22 Dec 2025
Reporting date: 18 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

S-1 File 333-291796

S-1

Filing date: 26 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-42252

FORM 8-K

Filing date: 24 Nov 2025
Reporting date: 21 Nov 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q/A File 001-42252

FORM 10-Q/A

Filing date: 21 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-42252

QUARTERLY REPORT

Filing date: 14 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K/A File 001-42252

FORM 8-K/A

Filing date: 14 Nov 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 13 Nov 2025
Reporting date: 06 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-94602

SCHEDULE 13G/A filing

Filing date: 12 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-94602

SCHEDULE 13G/A filing

Filing date: 12 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 07 Nov 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

3

OWNERSHIP DOCUMENT

Filing date: 07 Nov 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

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