Company Analysis

Terrestrial Energy Inc. (IMSR)

Nasdaq: IMSR · Fabricated Plate Work (Boiler Shops) · Charlotte, NC · filing with the SEC since 2024
Grade4.2
◀ Past 2.9● Present 3.3▶ Future 6.9
6 est.

Filings

139 filings since 2017 beside 51 insider forms · and emerging growth company · read from EDGAR on Nov 13, 2026
Due next and emerging growth company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 41 days after the quarter ended. The proxy statement was last filed Apr 29, 2026.

Filings a yearinsider forms included
369658
202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Jul 31, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Nov 24, 2025.Warning not to rely on past financial statements (8-K item 4.02): 1 time in the last 36 months, the newest Jul 15, 2025.SEC letters: 17 in the last 36 months, the newest Dec 23, 2025.A late-filing notice, Form NT 10-Q, filed May 16, 2025.
Insider forms 51

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 EFFECT Registration effective
Nov 10, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 10, 2026 10-Q Quarterly report Sep 30, 2026
Nov 9, 2026 EFFECT Registration effective
Nov 3, 2026 POS AM Registration amended after taking effect
Nov 3, 2026 S-3 Shelf registration
Nov 3, 2026 S-3 Shelf registration
Oct 27, 2026 8-K item 8.01 Other event · Current report Oct 21, 2026
Aug 14, 2026 424B3 Shelf offering
Aug 11, 2026 10-Q Quarterly report Jun 30, 2026
Aug 11, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 31, 2026 8-K item 5.02 Officer or director change · Current report Jul 27, 2026
Jul 28, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Jul 23, 2026
Jul 21, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jul 17, 2026 8-K item 5.02 Officer or director change · Current report Jul 14, 2026
Jun 12, 2026 8-K item 5.07 Shareholder vote · Current report Jun 11, 2026
Jun 11, 2026 EFFECT Registration effective
Jun 5, 2026 POS AM Registration amended after taking effect
May 19, 2026 S-8 Employee stock plan registration
May 14, 2026 424B3 Shelf offering
May 14, 2026 424B3 Shelf offering
May 14, 2026 10-Q Quarterly report Mar 31, 2026
May 14, 2026 8-K items 2.02, 9.01 Results released · Current report
May 8, 2026 8-K item 5.02 Officer or director change · Current report May 5, 2026
Apr 29, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 29, 2026 DEFA14A Extra proxy material
Apr 29, 2026 DEF 14A Proxy statement Jun 11, 2026
Apr 16, 2026 8-K items 5.02, 9.01 Officer or director change · Current report
Mar 31, 2026 D Private placement notice
Mar 30, 2026 POS EX Form POS EX
Mar 30, 2026 POS EX Form POS EX
Mar 30, 2026 424B3 Shelf offering
Mar 30, 2026 424B3 Shelf offering
Mar 30, 2026 10-K Annual report Dec 31, 2025
Mar 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 29, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jan 22, 2026 SCHEDULE 13G Large holder notice
Jan 5, 2026 424B3 Shelf offering
Jan 5, 2026 S-8 Employee stock plan registration
40 of 139 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton IMSR · research, not advice