IMSR
Terrestrial Energy Inc. /DE/Company with tickers: IMSR, IMSRW
CIK
2019804
CUSIP
881454102
Shares Outstanding
82,718,567
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
| Date | Insider | Role | Type | Shares |
|---|---|---|---|---|
| 2026-04-12 | Millsap Steven M. | GC, Sec'y & Chief Comp. Off'r | Award | 49,917 |
| 2026-04-12 | LeBlanc David Michael | Director, Chief Technology Officer | Award | 32,787 |
| 2026-04-12 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 13,731 |
| 2026-04-12 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 5,981 |
| 2026-04-12 | Thrasher Brian Patrick | Chief Financial Officer | Award | 49,917 |
| 2026-04-12 | Thrasher Brian Patrick | Chief Financial Officer | Award | 58,236 |
| 2026-04-12 | Smith William F. | Chief Operating Officer | Award | 32,787 |
| 2025-12-18 | Jones Robert Wood | Director | Award | 1,029 |
| 2025-12-18 | Jones Robert Wood | Director | Award | 5,865 |
| 2025-12-18 | Pardee Charles G | Director | Award | 882 |
| 2025-12-18 | Pardee Charles G | Director | Award | 5,027 |
| 2025-12-18 | Matthews Shawn | Director | Award | 4,190 |
| 2025-12-18 | Matthews Shawn | Director | Award | 735 |
| 2025-12-18 | MacDiarmid John Hugh | Director | Award | 5,865 |
| 2025-12-18 | MacDiarmid John Hugh | Director | Award | 1,029 |
| 2025-12-18 | BUCKMAN FREDERICK W | Director | Award | 6,703 |
| 2025-12-18 | BUCKMAN FREDERICK W | Director | Award | 1,176 |
| 2025-12-18 | JOHNSON WILLIAM D | CEO and President | Award | 1,720 |
| 2025-12-18 | JOHNSON WILLIAM D | CEO and President | Award | 5,865 |
| 2025-12-18 | Hill David John | Director | Award | 588 |
| 2025-12-18 | Hill David John | Director | Award | 3,352 |
| 2025-11-06 | Matthews Shawn | Director | Other | 1,267,599 |
| 2025-11-06 | Matthews Shawn | Director | Other | 3,500,000 |
| 2025-11-06 | Matthews Shawn | Director | Other | 2,920,000 |
| 2025-11-06 | Matthews Shawn | Director | Other | 533,514 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 0 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 0 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 12,244,088 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 180,316 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 807,873 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 653,334 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 0 |
| 2025-10-29 | Sella Roberto Marco | 10% Owner | Other | 0 |
| 2025-10-28 | Loveless Jacob | Insider | Other | 25,000 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Award | 166,298 |
| 2025-10-28 | Pardee Charles G | Director | Other | 0 |
| 2025-10-28 | Pardee Charles G | Director | Other | 6,758 |
| 2025-10-28 | Pardee Charles G | Director | Other | 0 |
| 2025-10-28 | Pardee Charles G | Director | Other | 0 |
| 2025-10-28 | Pardee Charles G | Director | Other | 0 |
| 2025-10-28 | Brenner Andrew Scott | Insider | Other | 25,000 |
| 2025-10-28 | Matthews Shawn | Director | Other | 4,275,000 |
| 2025-10-28 | Matthews Shawn | Director | Other | 1,267,599 |
| 2025-10-28 | Matthews Shawn | Director | Other | 5,675,000 |
| 2025-10-28 | Matthews Shawn | Director | Other | 533,514 |
| 2025-10-28 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 0 |
| 2025-10-28 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 0 |
| 2025-10-28 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 0 |
| 2025-10-28 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 0 |
| 2025-10-28 | LeBlanc David Michael | Director, Chief Technology Officer | Other | 0 |
| 2025-10-28 | Connor Michael J | Insider | Other | 25,000 |
| 2025-10-28 | JOHNSON WILLIAM D | CEO and President | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 25,946 |
| 2025-10-28 | MacDiarmid John Hugh | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 6,669 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 0 |
| 2025-10-28 | BUCKMAN FREDERICK W | Director | Other | 14,930 |
| 2025-10-28 | Millsap Steven M. | GC, Sec'y & Chief Comp. Off'r | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 2,295,934 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 52,255 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 2,818,520 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Irish Simon | Director, Chief Executive Officer | Other | 0 |
| 2025-10-28 | Pardee Charles G | Director | Other | 0 |
| 2025-10-28 | Jones Robert Wood | Director | Other | 0 |
| 2025-10-28 | Jones Robert Wood | Director | Other | 0 |
| 2025-10-28 | Smith William F. | Chief Operating Officer | Other | 0 |
| 2025-10-28 | Smith William F. | Chief Operating Officer | Other | 0 |