Recent insider trading activity from MacDiarmid John Hugh, including buys and sells reported to the SEC.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 18, 2025 | Terrestrial Energy Inc. /DE/ | $IMSR | MacDiarmid John Hugh | Director | A | Restricted Stock Units | 5865 | $0.00 | 5,865.0000 | 81,771,423 | 9999.99% | 0.01% |
| Dec. 18, 2025 | Terrestrial Energy Inc. /DE/ | $IMSR | MacDiarmid John Hugh | Director | A | Resricted Stock Units | 1029 | $0.00 | 6,894.0000 | 81,771,423 | 17.54% | 0.00% |