IMSR
Terrestrial Energy Inc.
NASDAQ · Energy · Regulated Electric · US
$5.15
+1.38%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-32.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 31, 2026 | Cowan Pamela Beth · officer: EVP, Engineering | A-Award | 299,401 | $5.01 |
| Jul 27, 2026 | McCarthy Kathryn Ann · director | A-Award | 2,049 | $0.00 |
| Apr 14, 2026 | Smith William F. · officer: Chief Operating Officer | A-Award | 32,787 | $6.34 |
| Apr 14, 2026 | Thrasher Brian Patrick · officer: Chief Financial Officer | A-Award | 58,236 | $6.34 |
| Apr 14, 2026 | Thrasher Brian Patrick · officer: Chief Financial Officer | A-Award | 49,917 | $0.00 |
| Apr 14, 2026 | LeBlanc David Michael · director, officer: Chief Technology Officer | A-Award | 32,787 | $6.34 |
| Apr 14, 2026 | Millsap Steven M. · officer: General Counsel | A-Award | 49,917 | $0.00 |
| Jan 9, 2026 | JOHNSON WILLIAM D · director | A-Award | 1,029 | $0.00 |
| Dec 22, 2025 | Hill David John · director | A-Award | 3,352 | $0.00 |
| Dec 22, 2025 | Pardee Charles G · director | A-Award | 882 | $0.00 |
| Dec 22, 2025 | Pardee Charles G · director | A-Award | 5,027 | $0.00 |
| Dec 22, 2025 | MacDiarmid John Hugh · director | A-Award | 1,029 | $0.00 |
| Dec 22, 2025 | MacDiarmid John Hugh · director | A-Award | 5,865 | $0.00 |
| Dec 22, 2025 | Matthews Shawn · director | A-Award | 735 | $0.00 |
| Dec 22, 2025 | Matthews Shawn · director | A-Award | 4,190 | $0.00 |
| Dec 22, 2025 | BUCKMAN FREDERICK W · director | A-Award | 1,176 | $0.00 |
| Dec 22, 2025 | Hill David John · director | A-Award | 588 | $0.00 |
| Dec 22, 2025 | Jones Robert Wood · director | A-Award | 5,865 | $0.00 |
| Dec 22, 2025 | Jones Robert Wood · director | A-Award | 1,029 | $0.00 |
| Dec 22, 2025 | JOHNSON WILLIAM D · director | A-Award | 5,865 | $0.00 |
| Dec 22, 2025 | JOHNSON WILLIAM D · director | A-Award | 1,720 | $0.00 |
| Dec 22, 2025 | BUCKMAN FREDERICK W · director | A-Award | 6,703 | $0.00 |
| Oct 30, 2025 | Irish Simon · director, officer: Chief Executive Officer | A-Award | 166,298 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 35Increased 20Reduced 28Sold out 89
| Filer | Action | Shares | Filed |
|---|---|---|---|
| EXCHANGE TRADED CONCEPTS, LLC | New Position | 2,091,161 | Apr 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 1,965,158 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 1,626,076 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,303,452 | May 15, 2026 |
| D. E. SHAW & CO., INC. | Increased | 1,214,777 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 1,120,885 | May 13, 2026 |
| JPMORGAN CHASE & CO | Reduced | 1,073,073 | May 13, 2026 |
| CITADEL ADVISORS LLC | Reduced | 805,961 | Sep 2, 2026 |
| ALYESKA INVESTMENT GROUP, L.P. | Unchanged | 722,000 | May 15, 2026 |
| LMR PARTNERS LLP | Increased | 690,702 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 659,388 | May 15, 2026 |
| VENNLIGHT CAPITAL MANAGEMENT, LP | Reduced | 575,499 | May 15, 2026 |
| Galaxy Group Investments LLC | New Position | 500,000 | Mar 24, 2026 |
| WINTON GROUP LTD | Reduced | 496,300 | May 12, 2026 |
| UBS GROUP AG | Reduced | 493,577 | May 5, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 31, 2026