Here are the 10-K annual reports from Terrestrial Energy Inc. (IMSR) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow IMSR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IMSR filings page.
Terrestrial Energy Inc. files its annual report describing its transition from SPAC HCM II Acquisition Corp. into a holding company focused on commercializing its Integral Molten Salt Reactor (IMSR) advanced nuclear plant through subsidiary Terrestrial Energy Development Inc.
The company targets first IMSR commercial operations around 2034, aiming to serve a serviceable addressable market it estimates at over $1.4 trillion in OECD countries, rising to $1.9 trillion by 2050. Its IMSR Plant is designed to supply 822 MW (net) thermal and 390 MW (net) electricity at 585°C with about 44% net efficiency, a 56‑year operating life, and seven‑year core replacement cycles.
Terrestrial Energy reports an accumulated deficit of $124.6 million as of December 31, 2025 and notes additional capital raises of $36.7 million since December 31, 2024 plus $292 million of gross proceeds from its business combination. It highlights regulatory progress, including completion of the Canadian Vendor Design Review with “no fundamental barriers to licensing” and ongoing U.S. NRC pre‑application work, as well as selection for a U.S. DOE advanced reactor pilot program and a pipeline of more than ten early‑stage IMSR projects.