(HOND)

Reporting relationship: Director
Issuer ticker: HOND
Reported as of: 06 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Nov 2025, 19:31:34 UTC
Prior SEC filing: 30 Oct 2025
Next SEC filing: 22 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Shawn Matthews, by Steven Bishcoff, Attorney-in-Fact

Key filing fact

Shawn Matthews filed Form 4 for Terrestrial Energy Inc. /DE/ (HOND) on 13 Nov 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: 13 Nov 2025, 19:31.

Change

Previous filing in this sequence was filed on 30 Oct 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 (2)

CIK 0001855118 Primary reporting owner

Matthews Shawn

Relationship: Director
Address: C/O HCM INVESTOR HOLDINGS II, LLC, 100 FIRST STAMFORD PLACE, SUITE 330, STAMFORD
Signature: /s/ Shawn Matthews, by Steven Bishcoff, Attorney-in-Fact
Signature date: 13 Nov 2025

CIK 0002019800

HCM Investor Holdings II, LLC

Relationship: Former 10% Holder
Address: C/O HCM INVESTOR HOLDINGS II, LLC, 100 FIRST STAMFORD PLACE, SUITE 330, STAMFORD
Signature: /s/ HCM Investor Holdings II, LLC, by Steven Bischoff, Attorney-in-Fact
Signature date: 13 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IMSR transaction

Common Stock, par value $0.0001 per share

Other

Transaction value
Shares: -2,920,000
Change %: -51%
Price
Shares after: 2,755,000
Date: 06 Nov 2025
Ownership: See Footnote
Footnotes: F1, F2

IMSR holding

Common Stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 533,514
Date: 06 Nov 2025
Ownership: Direct

Reported derivative securities

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

IMSR transaction Derivative

Warrants

Other

Transaction value
Shares: -3,500,000
Change %: -82%
Price
Shares after: 775,000
Date: 06 Nov 2025
Ownership: See Footnote
Underlying class: Common Stock, par value $0.0001 per share
Underlying amount: 3,500,000
Exercise price: $11.50
Footnotes: F1, F2

IMSR holding Derivative

Warrants

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,267,599
Date: 06 Nov 2025
Ownership: See Footnote
Underlying class: Common Stock, par value $0.0001 per share
Underlying amount: 1,267,599
Exercise price: $11.50
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On November 6, 2025, HCM Investor Holdings II, LLC (the "Sponsor") distributed an aggregate of 5,675,000 shares of common stock, par value $0.0001 per share of the Issuer ("Common Stock") and 4,275,000 Warrants, convertible to 4,275,000 shares of Common Stock, to its members as a distribution for no consideration in accordance with the terms of the Sponsor's limited liability company agreement. 2,755,000 shares of Common Stock and 775,000 Warrants were distributed to Shawn Matthews on such basis. Under Rule 16a-13 promulgated under the Securities Exchange Act of 1934, as a change in form of beneficial ownership, the reported distribution by the Sponsor (as it relates to Mr. Matthews' deemed beneficial ownership of the securities held by the Sponsor) to its members from the Sponsor, were exempt from Section 16 of the Securities Exchange Act of 1934.

Footnote F2

Shawn Matthews is the record holder of such securities. Shawn Matthews is the sole Managing Member of HCM Investor Holdings II, LLC and shares voting and investment discretion with respect to the securities held by HCM Investor Holdings II, LLC.

Footnote F3

Mr. Matthews is the sole managing member of Hondo Holdings LLC, which is registered owner of these warrants, and Mr. Matthews holds voting and investment power with respect to warrants held of record by Hondo Holdings LLC.