Insider activity (SEC Form 4)
Open-market buys and sells only — the deliberate trades. Zero here doesn’t mean no filings: grants, option exercises and tax withholding (below) are compensation, not market trades.
Open-market · last 30 days:
3 buyers bought $112K
0 sellers sold $0
Open-market · last 90 days:
3 buyers bought $112K
0 sellers sold $0
| Insider | Role | Date | Transaction | Shares | Value |
|---|
| Pardee Charles G |
Director |
2026-10-14 |
Open-market buy |
7500 |
$22K |
| Irish Simon |
Chief Executive Officer, Director |
2026-10-13 |
Open-market buy |
16900 |
$51K |
| BUCKMAN FREDERICK W |
Director |
2026-10-09 |
Open-market buy |
12000 |
$39K |
| Matthews Shawn |
Director |
2025-11-06 |
J |
2920000 |
— |
| Brenner Andrew Scott |
Insider |
2025-10-28 |
J |
25000 |
— |
| Connor Michael J |
Insider |
2025-10-28 |
J |
25000 |
— |
| Loveless Jacob |
Insider |
2025-10-28 |
J |
25000 |
— |
| Matthews Shawn |
Director |
2025-10-28 |
J |
5675000 |
— |
| Matthews Shawn |
Director |
2025-10-28 |
J |
533514 |
— |
Most recent 9 reported transactions. Open-market buys (P) and sells (S) are the deliberate ones; grants and option exercises are compensation. Not investment advice.
8-K
filed 2026-08-11
confidence 95%
Item 2.02
This is a quarterly earnings release for Q2 2026 (quarter ended June 30, 2026) filed on August 11, 2026. The Item 2.02 disclosure explicitly states "Terrestrial Energy Inc. announced its financial and operating results for the quarter ended June 30, 2026" with the press release furnished as Exhibit 99.1. The exhibit contains condensed consolidated balance sheets and statements of operations showing a net loss of $9.4 million for Q2 2026, along with detailed financial metrics, cash position ($283.4 million), and operational highlights. This is a standard quarterly earnings announcement material to investors.
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8-K
filed 2026-07-31
confidence 95%
Item 5.02
Shawn Matthews resigned from Terrestrial Energy Inc.'s Board of Directors effective July 27, 2026. The filing explicitly discloses a director's departure with no disagreement cited, which is a material governance event affecting the composition of the board and the registrant's leadership structure.
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8-K
filed 2026-07-28
confidence 95%
Item 5.02
Terrestrial Energy Inc. appointed Kathryn McCarthy to its Board of Directors effective July 22, 2026. McCarthy brings substantial nuclear industry expertise, including leadership of the US ITER Project and senior roles at national laboratories, strengthening the company's governance in advanced reactor development.
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8-K
filed 2026-06-12
confidence 98%
Item 5.07
This is a clear disclosure of shareholder voting results from the June 11, 2026 Annual Meeting of Stockholders. The filing reports the final vote tallies for the election of three Class I directors (Buckman, Johnson, MacDiarmid) and the ratification of UHY LLP as independent auditor, which are routine but material matters requiring Item 5.07 disclosure under SEC rules.
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