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Home/Companies/Terrestrial Energy Inc.

Terrestrial Energy Inc.

37 insider trades tracked

IMSR
Insider trades
37
Bought (open market)
$112K
Sold (open market)
$0
Unique insiders
18

12-month activity

Monthly insider buy vs sell totals for Terrestrial Energy Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
December 2025$0$014
January 2026$0$00
February 2026$0$00
March 2026$0$00
April 2026$0$05
May 2026$0$00
June 2026$0$00
July 2026$0$02
August 2026$0$00
September 2026$0$00
October 2026$112K$06
November 2026$0$00

Recent insider trades

Most recent Form 4 filings for Terrestrial Energy Inc..

  • Irish Simonexercised55,432 shares ofIMSRat $0Oct 28 · filed Oct 30Details
  • Irish Simonexercised511,580 shares ofIMSRat $0Oct 21 · filed Oct 26Details
  • Williams David Woodwardgranted152,672 shares ofIMSRat $0Oct 19 · filed Oct 21Details

Insiders at this company

Executives and directors who have filed Form 4s.

  • Matthews Shawn8 trades
  • Irish Simon4 trades
  • BUCKMAN FREDERICK W3 trades
  • Pardee Charles G3 trades
  • JOHNSON WILLIAM D2 trades
  • Jones Robert Wood2 trades
  • MacDiarmid John Hugh2 trades
  • Hill David John2 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
  • Pardee Charles Gbought7,500 shares ofIMSRat $2.95$22KOct 14 · filed Oct 15Details
  • Irish Simonbought16,900 shares ofIMSRat $3.007$51KOct 13 · filed Oct 14Details
  • BUCKMAN FREDERICK Wbought12,000 shares ofIMSRat $3.278$39KOct 9 · filed Oct 13Details
  • 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
  • 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
  • View all trades for IMSR →
    Thrasher Brian Patrick
    2 trades
  • Williams David Woodward1 trades
  • Cowan Pamela Beth1 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
  • Loveless Jacob1 trades