Terrestrial Energy completes de-SPAC merger; trades on Nasdaq as IMSR/IMSRW

Terrestrial Energy Inc. /DE/

HCM II Acquisition Corp domesticated to Delaware corp Oct 23, 2025; merger with Legacy Terrestrial Energy closed Oct 28.
New Terrestrial Energy common stock (IMSR) and warrants (IMSRW) began trading on Nasdaq on Oct 29, 2025.
7,390 HCM II Class A shares redeemed at $10.54/share; aggregate redemption ~$77,890.
Company renamed from HCM II Acquisition Corp to Terrestrial Energy Inc.
The business combination was approved at the extraordinary general meeting on Oct 20, 2025.

item 3.03 item 5.03 item 8.01 item 9.01

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accession 0001213900-25-103554

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