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IMSR

Terrestrial Energy Inc. /DE/CIK 2019804 ☆ Sign in to watchCongress trades
Open-mkt buys · 90d
$112.3K
3 trades · 3 insiders
Open-mkt sales · 90d
—
0 trades · 0 insiders
Net · 90d
$112.3K
Insiders on file
19

AI insights for IMSR PRO

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AI insights for IMSR
Insider sentiment score with a plain-English explanation, conviction score on every buy, and how the stock performed 30 and 90 days after past insider buys.
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Daily buy vs sell · 90 days

$50.8K2026-10-09 buys $39.3K 2026-10-09 sales —10-092026-10-13 buys $50.8K 2026-10-13 sales —10-132026-10-14 buys $22.1K 2026-10-14 sales —10-14
■ Open-market buys (P)   ■ Open-market sales (S) · daily dollar value by transaction date

Insiders

InsiderRoleTradesBoughtSoldLast trade
Irish SimonChief Executive Officer, Director6$50.8K$02026-10-28
Williams David WoodwardChief Commercial Officer1$0$02026-10-19
Pardee Charles GDirector3$22.1K$02026-10-14
BUCKMAN FREDERICK WDirector3$39.3K$02026-10-09
Cowan Pamela BethEVP, Engineering2$0$02026-07-29
McCarthy Kathryn AnnDirector1$0$02026-07-23
LeBlanc David MichaelChief Technology Officer1$0$02026-04-12
Smith William F.Chief Operating Officer1$0$02026-04-12
Thrasher Brian PatrickChief Financial Officer2$0$02026-04-12
Millsap Steven M.General Counsel1$0$02026-04-12
MacDiarmid John HughDirector2$0$02025-12-18
Hill David JohnDirector2$0$02025-12-18
Matthews ShawnDirector6$0$02025-12-18
Jones Robert WoodDirector2$0$02025-12-18
JOHNSON WILLIAM DDirector3$0$02025-12-18
HCM Investor Holdings II, LLCOther2$0$02025-11-06
Brenner Andrew ScottOther1$0$02025-10-28
Connor Michael JOther1$0$02025-10-28
Loveless JacobOther1$0$02025-10-28

Trade history

InsiderRoleCodeTradeFiledSharesPriceValueOwned after
Irish SimonChief Executive Officer, Dir M Exercise deriv2026-10-282026-10-3055,432— $0110,866SEC↗
Irish SimonChief Executive Officer, Dir M Exercise2026-10-282026-10-3055,432— $02,879,846SEC↗
Irish SimonChief Executive Officer, Dir M Exercise deriv2026-10-212026-10-26511,580— $0511,580SEC↗
Irish SimonChief Executive Officer, Dir M Exercise2026-10-212026-10-26511,580— $02,824,414SEC↗
Williams David WoodwardChief Commercial Officer A Award deriv2026-10-192026-10-21152,672— $0152,672SEC↗
Pardee Charles GDirector P Buy2026-10-142026-10-157,500$2.95 $22.1K14,258SEC↗
Irish SimonChief Executive Officer, Dir P Buy2026-10-132026-10-1416,900$3.01 $50.8K2,312,834SEC↗
BUCKMAN FREDERICK WDirector P Buy2026-10-092026-10-1312,000$3.28 $39.3K18,669SEC↗
Cowan Pamela BethEVP, Engineering A Award deriv2026-07-292026-07-31299,401— $0299,401SEC↗
Cowan Pamela BethEVP, Engineering A Award deriv2026-07-292026-07-31299,401— $0299,401SEC↗
McCarthy Kathryn AnnDirector A Award deriv2026-07-232026-07-272,049— $02,049SEC↗
LeBlanc David MichaelChief Technology Officer A Award deriv2026-04-122026-04-1432,787— $032,787SEC↗
Smith William F.Chief Operating Officer A Award deriv2026-04-122026-04-1432,787— $032,787SEC↗
Thrasher Brian PatrickChief Financial Officer A Award deriv2026-04-122026-04-1449,917— $049,917SEC↗
Thrasher Brian PatrickChief Financial Officer A Award deriv2026-04-122026-04-1458,236— $058,236SEC↗
Millsap Steven M.General Counsel A Award deriv2026-04-122026-04-1449,917— $049,917SEC↗
JOHNSON WILLIAM DDirector A Award deriv2025-12-182026-01-091,029— $06,894SEC↗
Matthews ShawnDirector A Award deriv2025-12-182025-12-224,190— $04,190SEC↗
Matthews ShawnDirector A Award deriv2025-12-182025-12-22735— $04,925SEC↗
MacDiarmid John HughDirector A Award deriv2025-12-182025-12-225,865— $05,865SEC↗
MacDiarmid John HughDirector A Award deriv2025-12-182025-12-221,029— $06,894SEC↗
Pardee Charles GDirector A Award deriv2025-12-182025-12-225,027— $05,027SEC↗
Pardee Charles GDirector A Award deriv2025-12-182025-12-22882— $05,909SEC↗
Hill David JohnDirector A Award deriv2025-12-182025-12-22588— $03,940SEC↗
Hill David JohnDirector A Award deriv2025-12-182025-12-223,352— $03,352SEC↗
Jones Robert WoodDirector A Award deriv2025-12-182025-12-221,029— $06,894SEC↗
Jones Robert WoodDirector A Award deriv2025-12-182025-12-225,865— $05,865SEC↗
JOHNSON WILLIAM DDirector A Award deriv2025-12-182025-12-225,865— $05,865SEC↗
JOHNSON WILLIAM DDirector A Award deriv2025-12-182025-12-221,720— $07,585SEC↗
BUCKMAN FREDERICK WDirector A Award deriv2025-12-182025-12-221,176— $07,879SEC↗
BUCKMAN FREDERICK WDirector A Award deriv2025-12-182025-12-226,703— $06,703SEC↗
HCM Investor Holdings II, LLCOther J Other deriv2025-11-062025-11-133,500,000— $0775,000SEC↗
HCM Investor Holdings II, LLCOther J Other2025-11-062025-11-132,920,000— $02,755,000SEC↗
Irish SimonChief Executive Officer A Award deriv2025-10-282025-10-30166,298— $0166,298SEC↗
Matthews ShawnDirector J Other deriv2025-10-282025-10-301,267,599$11.50 $14.58M1,267,599SEC↗
Matthews ShawnDirector J Other deriv2025-10-282025-10-304,275,000$11.50 $49.16M4,275,000SEC↗
Matthews ShawnDirector J Other2025-10-282025-10-30533,514— $0533,514SEC↗
Matthews ShawnDirector J Other2025-10-282025-10-305,675,000— $05,675,000SEC↗
Loveless JacobOther J Other2025-10-282025-10-3025,000— $025,000SEC↗
Brenner Andrew ScottOther J Other2025-10-282025-10-3025,000— $025,000SEC↗
Connor Michael JOther J Other2025-10-282025-10-3025,000— $025,000SEC↗