Shawn Matthews

Chairman and CEO at Terrestrial Energy Inc.

Sits on 6 boards. Overboarded · 6 public boards Last updated September 28, 2026

Time on boards

Boards served
6
Current seats
6
Board service
6 years
Director since
2024

6 years of board service in total across 6 boards, counting each seat separately. Longest: Terrestrial Energy Inc., 2 years.

Terrestrial Energy Inc. Director · Chairman and CEO
2 years · Since 2024
HCM III Acquisition Corp. Director · Chairman and CEO
1 year · Since 2025
Axe Compute Inc. Director
11 months · Since 2025
HCM IV Acquisition Corp. Director · Chairman and CEO
7 months · Since 2026
Streamex Corp. Director
6 months · Since 2026
Mercator Acquisition Corp. Director · Chairman and CEO
2 months · Since 2026

Chief executive roles

HCM III Acquisition Corp. · Chairman and CEO
Since July 2025
HCM IV Acquisition Corp. · Chairman and CEO
Since February 2026
Mercator Acquisition Corp. · Chairman and CEO
Since July 2026
Terrestrial Energy Inc. · Chairman and CEO
2024 – 2025 · Former

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jul 1, 2026 Streamex Corp. Grant or award +100,000 — —
Mar 6, 2026 Axe Compute Inc. Grant or award +1,166 — —
Nov 6, 2025 Terrestrial Energy Inc. Other −2,920,000 — —
Oct 28, 2025 Terrestrial Energy Inc. Other +5,675,000 — —
Oct 28, 2025 Terrestrial Energy Inc. Other +533,514 — —

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.