Welcome to our dedicated page for HCM II Acquisition SEC filings (Ticker: HOND), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings history associated with HCM II Acquisition Corp. (HOND) documents its life cycle as a SPAC and its transformation into Terrestrial Energy Inc., whose securities trade on Nasdaq under the symbols IMSR and IMSRW. These filings provide primary-source detail on the company’s structure, capital raising, business combination process and post-merger reporting.
Early filings include the registration statement for HCM II’s initial public offering of units, each consisting of a Class A ordinary share and a fraction of a redeemable warrant. Later, the company filed a registration statement on Form S-4 in connection with its proposed business combination with Terrestrial Energy, which included a proxy statement/prospectus for HCM II shareholders and a prospectus for the securities to be issued in the transaction.
Multiple Forms 8-K capture material events along the way. An 8-K dated September 29, 2025 notes that the SEC declared the S-4 effective. A subsequent 8-K filed on October 22, 2025 reports the results of the extraordinary general meeting at which shareholders approved the Business Combination Agreement, domestication, stock issuance proposals, new organizational documents, an equity incentive plan and director elections. Another 8-K dated October 29, 2025 describes the domestication of HCM II from the Cayman Islands to Delaware, the change of name to Terrestrial Energy Inc., and the commencement of trading of New Terrestrial common shares and warrants under IMSR and IMSRW.
An 8-K filed on November 3, 2025 provides an overview of the closing of the merger, including the exchange mechanics for Legacy Terrestrial Energy securities, the conversion of HCM II shares and warrants, and the PIPE financing terms. An 8-K/A filed on November 14, 2025 adds unaudited condensed consolidated financial statements of Legacy Terrestrial Energy, related management’s discussion and analysis, and unaudited pro forma condensed combined financial information for the combined company.
On Stock Titan’s filings page, users can access these documents as they appear on EDGAR, along with AI-powered summaries that explain the key points of each report. Filings such as Forms 8-K and 8-K/A around the closing of the business combination are particularly relevant for understanding how HCM II’s HOND-era securities converted into the current IMSR and IMSRW structure and how the SPAC’s financial information was combined with that of Terrestrial Energy.
HCM II Acquisition Corp. (HOND) shareholders approved the business combination with Terrestrial Energy, the Cayman-to-Delaware Domestication (after which the company will be named Terrestrial Energy Inc.), and related stock issuance proposals, including PIPE issuances. All items received the requisite votes at the extraordinary general meeting.
Investors also approved new organizational documents and an equity plan, elected nine directors, and authorized an adjournment option. Advisory proposals endorsed authorizations of 500,000,000 common shares and 1,000,000 preferred shares, an exclusive-forum provision, and a two‑thirds supermajority for certain charter changes. The company reported elections to redeem approximately 0.03% of Class A shares, which would leave approximately $243 million in the trust account.
HCM II Acquisition Corp. (HOND) reported shareholder approval of its business combination with Terrestrial Energy, along with related proposals to domesticate from the Cayman Islands to Delaware and rename the company “Terrestrial Energy Inc.” following closing. All proposals passed at the October 20, 2025 extraordinary general meeting, with 15,592,936 shares represented, constituting a quorum.
Key approvals included the Business Combination Agreement (15,578,787 for), the Domestication, issuances tied to the merger and a potential PIPE, new organizational documents, a 2025 equity incentive plan, and the election of nine directors. The company disclosed elections to redeem approximately 0.03% of outstanding Class A shares, which would leave approximately $243 million in the trust account. These approvals clear the path to closing and set the capital structure and governance for the combined company.
II Acquisition Corp. reported that the U.S. Securities and Exchange Commission has declared effective its Form S-4 registration statement for the proposed business combination with Terrestrial Energy Inc.. This registration statement includes a joint proxy statement and prospectus covering the securities to be issued in connection with the transaction.
A definitive proxy statement/prospectus has been mailed to II Acquisition stockholders of record for voting on the business combination. The filing emphasizes that investors should review the registration statement, proxy statement/prospectus and related SEC filings, which describe the deal terms, potential risks, redemption dynamics and other factors that could affect the combined company if the transaction is completed.
HCM II and Terrestrial Energy are proposing a Business Combination that will domesticate HCM II as a Delaware corporation and rename it New Terrestrial Energy (to be styled Terrestrial Energy Inc.). Under the transaction, HCM II ordinary shares, warrants and units convert into New Terrestrial Common Shares and New Terrestrial Warrants on a one-for-one or fractionated basis, sponsor founder shares and private placement warrants convert as described, and Terrestrial security holders will receive up to 151,970,541 New Terrestrial Common Shares based on an assumed Exchange Ratio of 45.85.
The filing discloses a Trust Account balance of approximately $242,511,057.72, a contemplated PIPE financing (aggregate proceeds up to $50,000,000 subject to offset rights), Sponsor holdings of 5,675,000 New Terrestrial Common Shares and 4,275,000 New Terrestrial Warrants, reimbursable sponsor expenses of approximately $286,003.09, and multiple closing conditions including a VWAP test tied to the VanEck Uranium and Nuclear Energy ETF and a minimum Available Closing SPAC Cash of $150,000,000.
HCM II Acquisition Corp. proposes a business combination to domesticate as Delaware corporation and combine with Terrestrial Energy, creating New Terrestrial Energy. The transaction will convert HCM II securities into New Terrestrial Common Shares and New Terrestrial Warrants, cancel units and adjust holdings per the Domestication and Merger agreements. Key financing includes PIPE subscriptions intended to raise up to $50,000,000 (subject to offset if PIPE investors hold non-redeemed shares). The Sponsor currently holds 5,675,000 New Terrestrial Common Shares via a sponsor conversion and 4,275,000 Private Placement Warrants. Approximately $231,150,000 of net IPO proceeds were placed in the Trust Account. Closing is conditioned on customary regulatory, shareholder and financing conditions, including minimum Available Closing SPAC Cash of $150,000,000 and certain VWAP thresholds tied to the VanEck Uranium and Nuclear Energy ETF and lock-up vesting provisions. The proxy/prospectus discloses potential dilution from convertible notes, warrants, options and contingent value rights and lists extensive risk factors, procedures for public shareholder redemptions and governance changes under proposed Delaware organizational documents.