Form 4: Director Pardee Acquires Terrestrial Energy RSUs

Terrestrial Energy Director Charles G. Pardee acquired 5,909 Restricted Stock Units, vesting fully on December 31, 2026, contingent on continuous service.

Summary

• Charles G. Pardee, a Director of Terrestrial Energy Inc. /DE/ (IMSR), acquired a total of 5,909 Restricted Stock Units (RSUs).
• The acquisition occurred on December 18, 2025, and was reported via a Form 4 filing on December 22, 2025.
• The RSUs represent a contingent right to acquire one share of Common Stock for each unit.
• All 5,909 restricted stock units are scheduled to vest 100% on December 31, 2026.
• Vesting is contingent upon Mr. Pardee providing continuous service to Terrestrial Energy, Inc. until the vesting date.

Sentiment

Score: 6

Explanation: The acquisition of equity by a director is generally viewed as a positive signal, indicating confidence in the company's future, though this Form 4 is purely transactional and does not contain broader financial or operational details.

Positives

• The acquisition of Restricted Stock Units by a director can signal alignment of interests between management and shareholders, as the director's compensation is tied to the company's future performance and continued service.

Risks

• The vesting of the Restricted Stock Units is contingent on Charles G. Pardee providing continuous service to Terrestrial Energy, Inc. until December 31, 2026. Failure to provide continuous service could result in forfeiture of the unvested units.

Future Outlook

The vesting schedule for the Restricted Stock Units on December 31, 2026, implies an expectation of continued service from Director Charles G. Pardee for at least the next year.

Industry Context

This filing is a standard insider transaction report and does not provide information related to broader industry trends or competitive landscape for Terrestrial Energy Inc.

Stakeholder Impact

• Shareholders: The acquisition of RSUs by a director aligns their interests with those of shareholders, potentially fostering greater commitment to long-term value creation.

Next Steps

• Charles G. Pardee is expected to continue providing service to Terrestrial Energy, Inc. until at least December 31, 2026, for the Restricted Stock Units to fully vest.

Key Dates

Keywords

Terrestrial Energy, IMSR, Restricted Stock Units, RSU, Insider Transaction, Form 4, Director Compensation, Equity Grant, Vesting