Welcome to our dedicated page for HCM II ACQUISITION SEC filings (Ticker: HONDU), 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 page for HCM II Acquisition Corp. (HONDU) brings together the regulatory documents that describe its life cycle as a special purpose acquisition company and its transition through a business combination. HCM II Acquisition Corp. is characterized in its disclosures as a blank check company formed to effect a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, with flexibility across sectors and a stated focus on established businesses of scale.
Key filings include registration statements related to its initial public offering of units on the Nasdaq Global Market, where each unit consisted of one Class A ordinary share and one-half of one redeemable warrant. These documents outline the structure of the units, the Class A ordinary shares, and the warrants, and describe how the securities are expected to trade under the symbols HONDU, HOND and HONDW.
Filings also cover the company’s business combination with Terrestrial Energy Inc. A Registration Statement on Form S-4 was declared effective by the SEC in connection with this transaction, registering securities to be issued in the combination and including a proxy statement/prospectus for HCM II shareholders. An 8-K filing later explains that the entity formerly known as HCM II Acquisition Corp. consummated the business combination with the entity formerly known as Terrestrial Energy Inc., with a merger subsidiary of HCM II merging into the legacy Terrestrial Energy entity.
That same 8-K identifies the post-combination registrant as Terrestrial Energy Inc., with common stock and redeemable warrants listed on the Nasdaq Stock Market under the symbols IMSR and IMSRW. It also discusses matters such as changes in the independent registered public accounting firm following the merger. Through these filings, readers can follow how the HONDU SPAC vehicle raised capital, structured its securities, and ultimately combined with Terrestrial Energy to form the publicly traded company under the IMSR and IMSRW symbols.
On Stock Titan, these SEC filings are paired with AI-powered summaries that explain the purpose and key points of documents such as registration statements and 8-K reports. Real-time updates from EDGAR, along with structured access to information about common stock and warrant terms, help users understand the regulatory history of HCM II Acquisition Corp. and its evolution into the Terrestrial Energy structure.
Terrestrial Energy Inc. updated employment agreements for three senior executives, clarifying pay, bonuses, equity eligibility and severance protections.
Chief Financial Officer Brian Thrasher will receive a $350,000 base salary, a target bonus equal to 43% of salary, and potential equity awards under the 2025 Equity Incentive Plan. If terminated without cause, he is eligible for six months of salary, a pro rata bonus for the year of termination, partial acceleration of time-based equity vesting over the next six months, and COBRA premium reimbursement during the severance period, subject to a release and restrictive covenants.
Chief Operating Officer William Smith will receive a $330,000 base salary, a 20% target bonus and equity award eligibility under the same plan. If his employment ends without cause, his agreement mirrors Thrasher’s in most respects, but instead of COBRA reimbursements it provides continuation of benefits required under Canadian law and extended group health and dental coverage for up to six months, or until he joins another employer plan.
Chief Technology Officer and director David LeBlanc will receive a $250,000 base salary, a 20% target bonus and equity award eligibility, with severance and post-termination non-compete and non-solicitation terms aligned to Smith’s. Overall, the changes formalize compensation and severance terms while adding six-month restrictive covenant periods for these executives.
Terrestrial Energy Inc. updated employment agreements for three senior executives, clarifying pay, bonuses, equity eligibility and severance protections.
Chief Financial Officer Brian Thrasher will receive a $350,000 base salary, a target bonus equal to 43% of salary, and potential equity awards under the 2025 Equity Incentive Plan. If terminated without cause, he is eligible for six months of salary, a pro rata bonus for the year of termination, partial acceleration of time-based equity vesting over the next six months, and COBRA premium reimbursement during the severance period, subject to a release and restrictive covenants.
Chief Operating Officer William Smith will receive a $330,000 base salary, a 20% target bonus and equity award eligibility under the same plan. If his employment ends without cause, his agreement mirrors Thrasher’s in most respects, but instead of COBRA reimbursements it provides continuation of benefits required under Canadian law and extended group health and dental coverage for up to six months, or until he joins another employer plan.
Chief Technology Officer and director David LeBlanc will receive a $250,000 base salary, a 20% target bonus and equity award eligibility, with severance and post-termination non-compete and non-solicitation terms aligned to Smith’s. Overall, the changes formalize compensation and severance terms while adding six-month restrictive covenant periods for these executives.
Terrestrial Energy Inc. reported that its General Counsel, Steven M. Millsap, received a grant of 49,917 restricted stock units (RSUs). Each RSU represents a contingent right to acquire one share of common stock.
The RSUs were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan. They vest in one‑third installments on each of the first, second and third anniversaries of the grant date, conditioned on Mr. Millsap’s continued service with the company. After this award, he holds 49,917 RSUs directly.
Terrestrial Energy Inc. reported that its General Counsel, Steven M. Millsap, received a grant of 49,917 restricted stock units (RSUs). Each RSU represents a contingent right to acquire one share of common stock.
The RSUs were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan. They vest in one‑third installments on each of the first, second and third anniversaries of the grant date, conditioned on Mr. Millsap’s continued service with the company. After this award, he holds 49,917 RSUs directly.
Thrasher Brian Patrick reported acquisition or exercise transactions in this Form 4 filing.
Terrestrial Energy Inc. Chief Financial Officer Brian Patrick Thrasher received new equity awards as part of his compensation. He was granted 49,917 restricted stock units, each representing a contingent right to one share of common stock, and 58,236 stock options to buy common shares at $6.34 per share.
The restricted stock units and options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan. Both awards vest in one-third increments on each of the first, second, and third anniversaries of the grant date, conditioned on his continued service with the company. No open-market purchases or sales were reported in this filing.
Thrasher Brian Patrick reported acquisition or exercise transactions in this Form 4 filing.
Terrestrial Energy Inc. Chief Financial Officer Brian Patrick Thrasher received new equity awards as part of his compensation. He was granted 49,917 restricted stock units, each representing a contingent right to one share of common stock, and 58,236 stock options to buy common shares at $6.34 per share.
The restricted stock units and options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan. Both awards vest in one-third increments on each of the first, second, and third anniversaries of the grant date, conditioned on his continued service with the company. No open-market purchases or sales were reported in this filing.
Terrestrial Energy Inc. Chief Operating Officer William F. Smith received a grant of stock options covering 32,787 shares of Common Stock. These options were awarded at an exercise price of $6.34 per share and expire on April 12, 2036.
The options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan and vest in three equal annual installments on each of the first, second and third anniversaries of the grant date, contingent on his continued service. Following this grant, he holds 32,787 stock options directly.
Terrestrial Energy Inc. Chief Operating Officer William F. Smith received a grant of stock options covering 32,787 shares of Common Stock. These options were awarded at an exercise price of $6.34 per share and expire on April 12, 2036.
The options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan and vest in three equal annual installments on each of the first, second and third anniversaries of the grant date, contingent on his continued service. Following this grant, he holds 32,787 stock options directly.
Terrestrial Energy Inc. Chief Technology Officer David Michael LeBlanc received a grant of 32,787 stock options, each with an exercise price of $6.34 per share, giving him the right to buy common stock at that price.
The options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan and vest in one-third increments on each of the first, second and third anniversaries of the grant date, subject to his continued service. After this filing, he reports 5,981 common shares held directly and 13,731 common shares held indirectly through an entity.
Terrestrial Energy Inc. Chief Technology Officer David Michael LeBlanc received a grant of 32,787 stock options, each with an exercise price of $6.34 per share, giving him the right to buy common stock at that price.
The options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan and vest in one-third increments on each of the first, second and third anniversaries of the grant date, subject to his continued service. After this filing, he reports 5,981 common shares held directly and 13,731 common shares held indirectly through an entity.
Terrestrial Energy Inc. files a Prospectus Supplement No. 2 to its Form S-4 prospectus supplementing that prospectus with information from its Form 10-K for the fiscal year ended December 31, 2025. The supplement covers up to 151,970,541 shares of common stock and 18,350,000 warrants and updates disclosures on the company’s business, technology, regulatory progress, commercialization pathway, financial history and project economics. The company reports 105,935,266 shares outstanding as of March 25, 2026, an aggregate market value of common shares held by non-affiliates of $191,475,000 as of June 30, 2025, and an accumulated deficit of $124.6 million as of December 31, 2025. The supplement incorporates material from Terrestrial Energy’s Form 10-K, including technology details for the IMSR Plant, regulatory milestones (CNSC Vendor Design Review completion), DOE selection for the TETRA pilot program, and estimated unit economics such as an LCOE of $69/MWh and LCOH of $8.60/MMBtu.
Terrestrial Energy Inc. files a prospectus supplement for a mixed offering registering 18,776,119 shares of common stock for a primary offering and a secondary resale of 18,792,599 shares, and 1,267,599 warrants to purchase common stock.
The supplement updates the December 30, 2025 prospectus with information from the company’s Form 10-K, including a stated 105,935,266 common shares outstanding as of March 25, 2026, recent fundraising, technology and regulatory milestones, and LCOE/LCOH cost estimates for the IMSR Plant.
Terrestrial Energy Inc. filed a Post-Effective Amendment No. 1 to its Form S-1 to furnish a consent from UHY LLP relating to the audited financial statements for the years ended December 31, 2025 and December 31, 2024.
The amendment is exhibit-only and states the Registration Statement was initially declared effective on December 23, 2025; the Consent and signature pages are being filed as of March 30, 2026.
Terrestrial Energy Inc. filed a Post-Effective Amendment No. 1 to its Form S-4 to furnish a consent from UHY LLP relating to the auditor's report for the financial statements for the years ended December 31, 2025 and December 31, 2024. The amendment is exhibit-only and updates Exhibit 23.1; the proxy statement/prospectus and the remainder of Part II remain unchanged.
Terrestrial Energy Inc. files its annual report describing its transition from SPAC HCM II Acquisition Corp. into a holding company focused on commercializing its Integral Molten Salt Reactor (IMSR) advanced nuclear plant through subsidiary Terrestrial Energy Development Inc.
The company targets first IMSR commercial operations around 2034, aiming to serve a serviceable addressable market it estimates at over $1.4 trillion in OECD countries, rising to $1.9 trillion by 2050. Its IMSR Plant is designed to supply 822 MW (net) thermal and 390 MW (net) electricity at 585°C with about 44% net efficiency, a 56‑year operating life, and seven‑year core replacement cycles.
Terrestrial Energy reports an accumulated deficit of $124.6 million as of December 31, 2025 and notes additional capital raises of $36.7 million since December 31, 2024 plus $292 million of gross proceeds from its business combination. It highlights regulatory progress, including completion of the Canadian Vendor Design Review with “no fundamental barriers to licensing” and ongoing U.S. NRC pre‑application work, as well as selection for a U.S. DOE advanced reactor pilot program and a pipeline of more than ten early‑stage IMSR projects.
Terrestrial Energy Inc. files its annual report describing its transition from SPAC HCM II Acquisition Corp. into a holding company focused on commercializing its Integral Molten Salt Reactor (IMSR) advanced nuclear plant through subsidiary Terrestrial Energy Development Inc.
The company targets first IMSR commercial operations around 2034, aiming to serve a serviceable addressable market it estimates at over $1.4 trillion in OECD countries, rising to $1.9 trillion by 2050. Its IMSR Plant is designed to supply 822 MW (net) thermal and 390 MW (net) electricity at 585°C with about 44% net efficiency, a 56‑year operating life, and seven‑year core replacement cycles.
Terrestrial Energy reports an accumulated deficit of $124.6 million as of December 31, 2025 and notes additional capital raises of $36.7 million since December 31, 2024 plus $292 million of gross proceeds from its business combination. It highlights regulatory progress, including completion of the Canadian Vendor Design Review with “no fundamental barriers to licensing” and ongoing U.S. NRC pre‑application work, as well as selection for a U.S. DOE advanced reactor pilot program and a pipeline of more than ten early‑stage IMSR projects.