Shawn Matthews - 18 Dec 2025 Form 4 Insider Report for Terrestrial Energy Inc. /DE/ (HOND)

Role
Director
Signature
/s/ Steven M. Millsap, Attorney-in-Fact
Issuer symbol
HOND
Transactions as of
18 Dec 2025
Net transactions value
$0
Form type
4
Filing time
22 Dec 2025, 16:30:08 UTC
Previous filing
13 Nov 2025
Next filing
11 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Matthews Shawn Director 2730 W. TYVOLA ROAD, SUITE 100, CHARLOTTE /s/ Steven M. Millsap, Attorney-in-Fact 22 Dec 2025 0001855118

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IMSR Restricted Stock Units Award $0 +4,190 $0.000000 4,190 18 Dec 2025 Common Stock 4,190 Direct F1
transaction IMSR Restricted Stock Units Award $0 +735 +18% $0.000000 4,925 18 Dec 2025 Common Stock 735 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.