FollowFilings The Ledger · @followfilings · data: SEC Form 4 ← All receipts

$IMSR

Terrestrial Energy Inc. /DE/
$3.22 -88.1% vs prior close

What they do: Fabricated Plate Work (Boiler Shops) · Exchange: Nasdaq, Nasdaq · Employees: 74

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. (via Yahoo Finance)

Earnings trend (from SEC filings)

Quarter endRevenueDiluted EPS

Institutional ownership (via Yahoo Finance, 13F-derived)

Insiders hold: 18.59% · Institutions hold: 26.77% across 133 filers

InstitutionSharesValue% held
Vanguard Capital Management LLC3,414,196$11.0M3.22%
Exchange Traded Concepts LLC2,160,074$7.0M2.04%
UBS Group AG1,772,173$5.7M1.67%
HRT Financial LP1,125,849$3.6M1.06%
Blackrock Inc.1,074,524$3.5M1.01%
JPMORGAN CHASE & CO966,797$3.1M0.91%
Geode Capital Management, LLC693,934$2.2M0.66%
LMR Partners LLP690,702$2.2M0.65%

Insider activity — every transaction, real date, real price

Trade dateFiledNameRoleActionSharesPriceValueStock since
2026-10-132026-10-14Irish SimonChief Executive OfficerBOUGHT16,900$3.01$51K+3.5%
2026-10-092026-10-13BUCKMAN FREDERICK WDirectorBOUGHT12,000$3.28$39K-1.8%

Our calls

PostedTweetPrice at postNowSince post
2026-10-15 17:12The rest of today's notable buys (code P, open-market, $50k+), filed one at a ti$3.22$3.22+0.0%