Form 4: Terrestrial Energy CEO Granted 166,298 RSUs; PoA Filed

Terrestrial Energy Inc.'s CEO, Simon Irish, was granted 166,298 restricted stock units, which will vest pro rata over three years, alongside the filing of a Power of Attorney.

Summary

• Simon Irish, the Chief Executive Officer and a Director of Terrestrial Energy Inc. (IMSR), was granted 166,298 Restricted Stock Units (RSUs) on October 28, 2025.
• Each RSU represents a contingent right to acquire one share of Common Stock of Terrestrial Energy Inc.
• The granted RSUs are scheduled to vest pro rata over a three-year period following the grant date.
• A Power of Attorney was executed on October 30, 2025, by Simon Irish, appointing Simon Irish, Brian Thrasher, and Steven Millsap as attorneys-in-fact to prepare and execute SEC filings on his behalf.

Sentiment

Score: 7

Explanation: The grant of Restricted Stock Units to the CEO is generally a positive signal, indicating continued management commitment and aligning executive interests with long-term shareholder value. The Power of Attorney is a routine governance filing.

Positives

• The grant of 166,298 Restricted Stock Units to CEO Simon Irish aligns management's long-term interests with those of shareholders, incentivizing sustained performance.
• The establishment of a Power of Attorney streamlines the process for executive SEC compliance filings, ensuring timely and accurate disclosures.

Risks

• The Power of Attorney explicitly states that it does not relieve the undersigned (Simon Irish) from responsibility for compliance with obligations under Section 13 or Section 16 of the Exchange Act or Rule 144, including reporting requirements and liability for disgorgement of profits under Section 16(b).

Future Outlook

The vesting schedule of the Restricted Stock Units over a three-year period indicates a commitment from the CEO to the company's long-term performance and strategic objectives.

Management Comments

• The Power of Attorney grants full power and authority to the Attorney-in-Fact to perform acts requisite, necessary, or advisable in connection with SEC filings, as fully as the undersigned might or could do in person.

Industry Context

The grant of Restricted Stock Units is a common practice in the energy and technology sectors for executive compensation, designed to align the interests of management with long-term shareholder value creation and to incentivize retention.

Comparison to Industry Standards

• The use of Restricted Stock Units (RSUs) as a form of executive compensation is a standard practice across various industries, including the energy sector, aligning with global benchmarks for incentivizing long-term performance.
• The vesting schedule over three years is typical for RSU grants, comparable to similar programs at companies like NextEra Energy, Duke Energy, or other publicly traded firms in the clean energy or utility space, though the specific number of units would require a detailed peer group analysis based on company size and executive role.

Corporate Governance

Related Party Transactions

• The grant of 166,298 Restricted Stock Units to Simon Irish, the CEO and a Director, constitutes a related party transaction as it involves compensation to a key executive.

Stakeholder Impact

• Shareholders: The RSU grant aligns the CEO's financial incentives with the long-term performance of the company, potentially benefiting shareholders through sustained value creation.
• Management: The Power of Attorney simplifies the process for the CEO to comply with personal SEC filing obligations.

Next Steps

• The Restricted Stock Units will vest pro rata over a three-year period following the grant date of October 28, 2025.

Key Dates

Recommendation

This filing details a routine grant of restricted stock units to the CEO and a standard Power of Attorney filing. While the RSU grant is a positive for aligning executive incentives with long-term shareholder value, it does not contain new financial performance data, strategic shifts, or other material information that would significantly alter the company's fundamental outlook or warrant a change in investment thesis. Therefore, a 'hold' recommendation is appropriate, maintaining current positions while awaiting more substantive operational or financial updates.

Keywords

Terrestrial Energy, IMSR, Simon Irish, Restricted Stock Units, RSU, Executive Compensation, Insider Transaction, Form 4, Power of Attorney, Corporate Governance