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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/Terrestrial Energy Inc.

Terrestrial Energy Inc.

31 insider trades tracked

IMSR

Insider trades

31

Bought (open market)

$0

Sold (open market)

$0

Unique insiders

17

Recent insider trades

Most recent Form 4 filings for Terrestrial Energy Inc..

Cowan Pamela Bethgranted299,401 shares ofIMSRat $0Jul 29 · filed Jul 31Details
McCarthy Kathryn Anngranted2,049 shares ofIMSRat $0Jul 23 · filed Jul 27Details
Millsap Steven M.granted49,917 shares ofIMSRat $0Apr 12 · filed Apr 14Details

Insiders at this company

Executives and directors who have filed Form 4s.

Matthews Shawn8 trades
Thrasher Brian Patrick2 trades
BUCKMAN FREDERICK W2 trades
JOHNSON WILLIAM D2 trades
Jones Robert Wood2 trades
Pardee Charles G2 trades
MacDiarmid John Hugh2 trades
Hill David John2 trades

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

Thrasher Brian Patrickgranted58,236 shares ofIMSRat $0Apr 12 · filed Apr 14Details

Thrasher Brian Patrickgranted49,917 shares ofIMSRat $0Apr 12 · filed Apr 14Details

Smith William F.granted32,787 shares ofIMSRat $0Apr 12 · filed Apr 14Details

LeBlanc David Michaelgranted32,787 shares ofIMSRat $0Apr 12 · filed Apr 14Details

Hill David Johngranted588 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Hill David Johngranted3,352 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

MacDiarmid John Hughgranted1,029 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

MacDiarmid John Hughgranted5,865 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Matthews Shawngranted735 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Matthews Shawngranted4,190 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Pardee Charles Ggranted882 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Pardee Charles Ggranted5,027 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Jones Robert Woodgranted1,029 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Jones Robert Woodgranted5,865 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

JOHNSON WILLIAM Dgranted1,720 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

JOHNSON WILLIAM Dgranted5,865 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

BUCKMAN FREDERICK Wgranted1,176 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

BUCKMAN FREDERICK Wgranted6,703 shares ofIMSRat $0Dec 18, 2025 · filed Dec 22, 2025Details

Matthews Shawntraded3,500,000 shares ofIMSRNov 6, 2025 · filed Nov 13, 2025Details

Matthews Shawntraded2,920,000 shares ofIMSRNov 6, 2025 · filed Nov 13, 2025Details

Connor Michael Jtraded25,000 shares ofIMSROct 28, 2025 · filed Oct 30, 2025Details

Brenner Andrew Scotttraded25,000 shares ofIMSROct 28, 2025 · filed Oct 30, 2025Details

Irish Simongranted166,298 shares ofIMSRat $0Oct 28, 2025 · filed Oct 30, 2025Details

Loveless Jacobtraded25,000 shares ofIMSROct 28, 2025 · filed Oct 30, 2025Details

Matthews Shawntraded1,267,599 shares ofIMSRat $11.5$14.6MOct 28, 2025 · filed Oct 30, 2025Details

Matthews Shawntraded4,275,000 shares ofIMSRat $11.5$49.2MOct 28, 2025 · filed Oct 30, 2025Details

Matthews Shawntraded533,514 shares ofIMSROct 28, 2025 · filed Oct 30, 2025Details

View all trades for IMSR →

Cowan Pamela Beth

1 trades

McCarthy Kathryn Ann1 trades

Millsap Steven M.1 trades

Smith William F.1 trades

LeBlanc David Michael1 trades

Connor Michael J1 trades

Brenner Andrew Scott1 trades

Irish Simon1 trades

Loveless Jacob1 trades