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BCS

SEC Filing · 10-K/A

Terrestrial Energy Inc.

SEC Filing

Filed Jul 17, 2025Accepted Jul 17, 2025, 8:16 AM EDTCIK 2019804Accession 0001213900-25-064894
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Company context

Terrestrial Energy is a developer of Generation IV nuclear plants that use its proprietary Integral Molten Salt Reactor (IMSR). The IMSR captures the transformative operating benefits of molten salt reactor technology in a plant design that represents true innovation in capital efficiency, cost reduction, versatility and functionality of nuclear energy supply. IMSR plants are designed to be small and modular for distributed supply of low-cost, reliable, dispatchable, clean, high-temperature industrial heat and electricity, and to be customized for a dual-use energy role relevant to many industrial applications, such as petrochemical and chemical synthesis, and data center operation. In so doing, IMSR plants extend the application of nuclear energy far beyond electric power markets. Their deployment will support the rapid growth of clean firm heat and power, delivering energy self-reliance, grid reliability and economic growth. Terrestrial Energy uses an innovative plant design together with proven and demonstrated molten salt reactor technology and readily-available and inexpensive standard-assay low-enriched uranium in its fuel for a nuclear plant with a unique set of operating characteristics and compelling transformative commercial potential. Terrestrial Energy is engaged with regulators, suppliers, industrial partners and energy end-users to build, license and commission the first IMSR plants in the early 2030s.

Current securities

Historical securities (3)

Recent company filings

  1. Other EventsOct 27, 2026
  2. 4 filingOct 15, 2026
  3. 4 filingOct 13, 2026
  4. 424B3 filingAug 14, 2026
  5. 10-Q filingAug 11, 2026

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