Ticker LaunchSPAC · Merger completed
HCM II Acquisition Corp.
Business combination with Terrestrial Energy Inc.
HCM II Acquisition Corp. is a blank-check company (SPAC) that raised $200M in its initial public offering on Aug 16, 2024, listing on Nasdaq Global Market. It completed its business combination with Terrestrial Energy Inc. on Oct 28, 2025; the combined company is Terrestrial Energy Inc. (IMSR). NatAlliance led the IPO, with Cantor and COO of. King & Spalding advised the SPAC and Ellenoff Grossman & Schole advised the underwriters on the IPO.
Terrestrial Energy is a developer of Generation IV nuclear plants that use its proprietary Integral Molten Salt Reactor (IMSR) technology. It is the target of a proposed business combination with a special purpose acquisition company.
- Status
- Merger completed
- IPO date
- Aug 16, 2024
- IPO size
- $200M
- IPO exchange
- Nasdaq Global Market
- Target
- Terrestrial Energy Inc.
- Announced
- Mar 26, 2025
- Stated deal value
- $1B
- Closed
- Oct 28, 2025
- Combined company
- Terrestrial Energy Inc. (IMSR)
- IPO underwriters
- NatAlliance, Cantor, COO of, Amherst and Hondius Capital
- SPAC counsel (IPO)
- King & Spalding and Maples and Calder
- Underwriters' counsel (IPO)
- Ellenoff Grossman & Schole
More on this SPAC for subscribers
- Trust balance and value per share
- Redemptions at each extension and at the merger vote
- Liquidation deadline and extension history
- PIPE and other committed financing
- Merger proxy, registration statement and investor presentation
- Analyst notes from the filings
Every record in the database also has its full filing timeline, a daily-updated calendar, watchlist alerts and Excel export.
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Filings
- IPO prospectus (424B4) Aug 16, 2024
- Deal announcement (8-K) Mar 26, 2025
- Press release
- All filings on EDGAR CIK 2019804
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- CN Healthy Food Tech Group Corp.via Iron Horse Acquisitions Corp. · closed Sep 30, 2025
- Kodiak AI, Inc.via Ares Acquisition Corporation II · closed Sep 24, 2025
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