How many insider trades does FilingIQ track for IMSR?

FilingIQ tracks 7 Form 4 insider transactions for IMSR (Terrestrial Energy Inc. /DE/), covering filings from Oct 30, 2025 onwards. 1 of those are dated within the last 90 days.

Are IMSR insiders net buyers or net sellers?

Across the full Form 4 history for IMSR, 1 transactions (14%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does IMSR insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.

What sector is IMSR in?

Terrestrial Energy Inc. /DE/ (IMSR) is classified in the Utilities sector, specifically Utilities - Regulated Electric, with a current market capitalisation of $331.58M.

IMSR insider trading

NasdaqGS Utilities

Terrestrial Energy Inc. /DE/: insider trade history from SEC Form 4 filings.

Total Form 4 trades

Last 90 days

Buys / sells

14% / 0%

Market cap

$331.58M

About Terrestrial Energy Inc. /DE/

Terrestrial Energy Inc. engages in the development of small modular nuclear plants using its generation IV integral molten salt reactor (IMSR). The IMSR captures the transformative operating benefits of molten salt reactor technology in a plant design of nuclear energy supply. The company uses a plant design together with molten salt reactor technology and uranium in its fuel for a nuclear plant. Terrestrial Energy Inc. was founded in 2013 and is headquartered in Charlotte, North Carolina.

Company website: www.terrestrialenergy.com

IMSR insider activity at a glance

FilingIQ tracks 7 insider transactions for IMSR in filings since Oct 30, 2025. The most recent transaction is dated Oct 9, 2026.

Across the full history, 1 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on IMSR insider trades is 66.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live IMSR trades on FilingIQ Raw filings on SEC EDGAR

Latest IMSR Form 4 filings

BUCKMAN FREDERICK W

P Oct 13, 2026

Cowan Pamela Beth EVP, Engineering

A Jul 31, 2026

McCarthy Kathryn Ann

A Jul 27, 2026

Millsap Steven M. General Counsel

A Apr 14, 2026

Thrasher Brian Patrick Chief Financial Officer

A Apr 14, 2026

Smith William F. Chief Operating Officer

A Apr 14, 2026

LeBlanc David Michael Chief Technology Officer

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for IMSR?: FilingIQ tracks 7 Form 4 insider transactions for IMSR (Terrestrial Energy Inc. /DE/), covering filings from Oct 30, 2025 onwards. 1 of those are dated within the last 90 days.
Are IMSR insiders net buyers or net sellers?: Across the full Form 4 history for IMSR, 1 transactions (14%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does IMSR insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
What sector is IMSR in?: Terrestrial Energy Inc. /DE/ (IMSR) is classified in the Utilities sector, specifically Utilities - Regulated Electric, with a current market capitalisation of $331.58M.

Methodology & sources

Every IMSR insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.