(HOND)

Reporting relationship: Director
Issuer ticker: HOND
Reported as of: 18 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 Dec 2025, 16:30:08 UTC
Prior SEC filing: 13 Nov 2025
Next SEC filing: 11 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Steven M. Millsap, Attorney-in-Fact

Key filing fact

Shawn Matthews filed Form 4 for Terrestrial Energy Inc. /DE/ (HOND) on 22 Dec 2025.

Key facts

This page summarizes Shawn Matthews's Form 4 filing for Terrestrial Energy Inc. /DE/ (HOND).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 22 Dec 2025, 16:30.

Change

Previous filing in this sequence was filed on 13 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001855118 Primary reporting owner

Matthews Shawn

Relationship: Director
Address: 2730 W. TYVOLA ROAD, SUITE 100, CHARLOTTE
Signature: /s/ Steven M. Millsap, Attorney-in-Fact
Signature date: 22 Dec 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IMSR transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +4,190
Change %
Price: $0.000000
Shares after: 4,190
Date: 18 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,190
Exercise price
Footnotes: F1

IMSR transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +735
Change %: +18%
Price: $0.000000
Shares after: 4,925
Date: 18 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 735
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Each restricted stock unit represents a contingent right to acquire one share of Common Stock. So long as the Reporting Person provides continuous service to Terrestrial Energy, Inc., 100% of the restricted stock units will vest on December 31, 2026.