LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
IMSRCIK 0002019804

Terrestrial Energy Inc. /DE/

14 transactions by 11 insiders, from October 28, 2025 to October 14, 2026.

Transactions
1411 insiders
Bought · P
$112Kopen market
Sold · S
Nonenobody sold on the open market
Net
+$112Knet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Frederick W. BuckmanDir3—$39K—
Brian Patrick ThrasherCFO2———
Steven M. MillsapGC1———
Charles G. PardeeDir1—$22K—
Simon IrishCEO1—$51K—
William F. SmithCOO1———
David Michael LeBlancCTO1———
Kathryn Ann McCarthyDir1———
Pamela Beth CowanEVP1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
Michael J. ConnorOther1———
Andrew Scott BrennerOther1———

All transactions

14 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Charles G. PardeeDirOct 14P7,500$2.95$22K
Simon IrishCEOOct 13P16,900$3.01$51K
Frederick W. BuckmanDirOct 9P12,000$3.28$39K
Pamela Beth CowanEVPDERIVJul 29A299,401$0.00—?
Kathryn Ann McCarthyDirDERIVJul 23A2,049$0.00—?
Brian Patrick ThrasherCFODERIVApr 12A58,236$0.00—?
Brian Patrick ThrasherCFODERIVApr 12A49,917$0.00—?
William F. SmithCOODERIVApr 12A32,787$0.00—?
Steven M. MillsapGCDERIVApr 12A49,917$0.00—?
David Michael LeBlancCTODERIVApr 12A32,787$0.00—?
Frederick W. BuckmanDirDERIVDec 18A1,176$0.00—?
Frederick W. BuckmanDirDERIVDec 18A6,703$0.00—?
Andrew Scott BrennerOtherOct 28J25,000——
Michael J. ConnorOtherOct 28J25,000——