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

Key facts

Extracted from this filing and checked against the source text.

Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Terrestrial Energy Inc. /DE/: HCM II adopted new bylaws in connection with a domestication (effective 2025-10-23).

Change: bylaw amendment
Effective: 2025-10-23

Exact text from the filing

On October 23, 2025, in connection with the Domestication, HCM II filed the Certificate of Incorporation with the Secretary of State of the State of Delaware and adopted its new bylaws (the “Bylaws”).

View on SEC.gov

Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Terrestrial Energy Inc. /DE/: HCM II filed a new Certificate of Incorporation in Delaware in connection with a domestication (effective 2025-10-23).

Change: charter amendment
Effective: 2025-10-23

Exact text from the filing

On October 23, 2025, in connection with the Domestication, HCM II filed the Certificate of Incorporation with the Secretary of State of the State of Delaware

View on SEC.gov

89 governance changes filed in the last 30 days. Browse all governance changes →

Terrestrial Energy Inc. /DE/ filing history →

Source: SEC EDGAR

accession 0001213900-25-103554

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