Welcome to our dedicated page for Terrestrial Energy SEC filings (Ticker: IMSRW), 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 Terrestrial Energy Inc. (IMSR, IMSRW) SEC filings page on Stock Titan is intended to provide access to the company’s regulatory disclosures once they are available in the U.S. Securities and Exchange Commission’s EDGAR system. Although no specific filings are listed in the data provided here, Terrestrial Energy’s public news releases reference risk factors and other information contained in documents it files from time to time with the SEC.
As a Nasdaq-listed developer of small modular nuclear plants using Generation IV Integral Molten Salt Reactor (IMSR) technology, Terrestrial Energy’s SEC filings are expected to include annual reports on Form 10‑K, quarterly reports on Form 10‑Q and current reports on Form 8‑K. These documents typically describe the company’s business, its IMSR plant design and capacity, its use of Standard-Assay Low Enriched Uranium (SALEU) fuel, participation in U.S. Department of Energy programs such as the Advanced Reactor Pilot Program and Fuel Line Pilot Program, and material agreements like its business combination with HCM II Acquisition Corp.
When available, Stock Titan’s platform can surface key elements from Terrestrial Energy’s filings, such as descriptions of Project TETRA, the IMSR fuel pilot plant agreement with Springfields Fuels Limited, and disclosed risk factors relating to regulatory approvals, construction and manufacturing risks, supply chain constraints and competition from other advanced reactor developers. Users interested in IMSR and IMSRW can use this page to review historical and ongoing SEC reports alongside AI‑generated summaries that explain complex sections, highlight changes from prior filings and help interpret disclosures about capital structure, warrant terms and other aspects of the company’s public listing.
Terrestrial Energy Inc. reported the results of its 2026 Annual Meeting of Stockholders held on June 11, 2026. Stockholders elected three Class I directors—Frederick Buckman, William Johnson, and Hugh MacDiarmid—to three-year terms, each receiving about 56.7 million votes in favor and roughly 0.3 million withheld, with 12.7 million broker non-votes.
Stockholders also ratified UHY LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026, with 69,103,315 votes for, 400,853 against, and 165,166 abstentions.
Terrestrial Energy Inc. reported the results of its 2026 Annual Meeting of Stockholders held on June 11, 2026. Stockholders elected three Class I directors—Frederick Buckman, William Johnson, and Hugh MacDiarmid—to three-year terms, each receiving about 56.7 million votes in favor and roughly 0.3 million withheld, with 12.7 million broker non-votes.
Stockholders also ratified UHY LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026, with 69,103,315 votes for, 400,853 against, and 165,166 abstentions.
Terrestrial Energy Inc. reported a net loss of $10,503 (amounts in thousands) for the three months ended March 31, 2026, unchanged at $(0.10) per share versus 2025 due to higher share count. Operating expenses more than doubled to $11,931, driven by increased research and development spending of $4,566 and general and administrative costs of $7,304 as the company scales its Integral Molten Salt Reactor program.
Despite higher losses, Terrestrial Energy ended the quarter with $76,946 in cash and cash equivalents and $198,018 in short-term investments, supporting net working capital of $271,695 and total assets of $295,168. Management believes this liquidity, enhanced by more than $292,000 of gross proceeds from its late‑2025 business combination and related financing, is sufficient to fund operations for at least the next twelve months while it advances IMSR development and DOE-supported pilot projects.
Terrestrial Energy Inc. reported a net loss of $10,503 (amounts in thousands) for the three months ended March 31, 2026, unchanged at $(0.10) per share versus 2025 due to higher share count. Operating expenses more than doubled to $11,931, driven by increased research and development spending of $4,566 and general and administrative costs of $7,304 as the company scales its Integral Molten Salt Reactor program.
Despite higher losses, Terrestrial Energy ended the quarter with $76,946 in cash and cash equivalents and $198,018 in short-term investments, supporting net working capital of $271,695 and total assets of $295,168. Management believes this liquidity, enhanced by more than $292,000 of gross proceeds from its late‑2025 business combination and related financing, is sufficient to fund operations for at least the next twelve months while it advances IMSR development and DOE-supported pilot projects.
Terrestrial Energy Inc. reported first quarter 2026 results, highlighting a development-stage nuclear business with a substantial cash position and growing expenses as projects advance. The company focuses on its Integral Molten Salt Reactor (IMSR) engineering and regulatory programs, supply chain development, and commercial pipeline.
As of March 31, 2026, Terrestrial Energy held $289.9 million in cash and investments and described its balance sheet as providing a significant runway. Net loss for the quarter was $10.5 million, or $(0.10) per share, compared with a $6.3 million loss a year earlier, driven by higher research and development and general and administrative costs.
Total operating expenses rose to $11.9 million from $4.9 million, reflecting increased R&D and corporate spending. Other income turned positive, helped by $1.5 million of interest and dividend income and minimal interest expense after prior-period convertible note financing. The company ended the quarter with $295.2 million in total assets and $6.6 million in total liabilities.
Terrestrial Energy Inc. reported first quarter 2026 results, highlighting a development-stage nuclear business with a substantial cash position and growing expenses as projects advance. The company focuses on its Integral Molten Salt Reactor (IMSR) engineering and regulatory programs, supply chain development, and commercial pipeline.
As of March 31, 2026, Terrestrial Energy held $289.9 million in cash and investments and described its balance sheet as providing a significant runway. Net loss for the quarter was $10.5 million, or $(0.10) per share, compared with a $6.3 million loss a year earlier, driven by higher research and development and general and administrative costs.
Total operating expenses rose to $11.9 million from $4.9 million, reflecting increased R&D and corporate spending. Other income turned positive, helped by $1.5 million of interest and dividend income and minimal interest expense after prior-period convertible note financing. The company ended the quarter with $295.2 million in total assets and $6.6 million in total liabilities.
Terrestrial Energy Inc. reported that director David Hill has notified the company he will resign from its Board of Directors effective July 1, 2026.
Hill has served on the Board since 2014, and the company states his resignation is not due to any disagreement about its operations, policies, or practices.
Terrestrial Energy Inc. reported that director David Hill has notified the company he will resign from its Board of Directors effective July 1, 2026.
Hill has served on the Board since 2014, and the company states his resignation is not due to any disagreement about its operations, policies, or practices.
Terrestrial Energy Inc. is asking stockholders to vote at its 2026 virtual annual meeting. The meeting will be held by live webcast on June 11, 2026 at 10:00 a.m. Eastern time for holders of common stock and special voting preferred stock as of April 20, 2026.
Stockholders are being asked to elect three Class I directors — Frederick Buckman, William Johnson, and Hugh MacDiarmid — to terms running to the 2029 annual meeting, and to ratify UHY LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026. The Board recommends voting “FOR” all nominees and “FOR” auditor ratification.
The proxy also describes the company’s classified nine‑member board structure, committee composition, director independence determinations, executive and director compensation programs, and ownership data. It notes the October 2025 business combination in which HCM II Acquisition Corp. became Terrestrial Energy Inc. and the company’s shares and warrants began trading on Nasdaq under “IMSR” and “IMSRW.”
Terrestrial Energy Inc. is asking stockholders to vote at its 2026 virtual annual meeting. The meeting will be held by live webcast on June 11, 2026 at 10:00 a.m. Eastern time for holders of common stock and special voting preferred stock as of April 20, 2026.
Stockholders are being asked to elect three Class I directors — Frederick Buckman, William Johnson, and Hugh MacDiarmid — to terms running to the 2029 annual meeting, and to ratify UHY LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026. The Board recommends voting “FOR” all nominees and “FOR” auditor ratification.
The proxy also describes the company’s classified nine‑member board structure, committee composition, director independence determinations, executive and director compensation programs, and ownership data. It notes the October 2025 business combination in which HCM II Acquisition Corp. became Terrestrial Energy Inc. and the company’s shares and warrants began trading on Nasdaq under “IMSR” and “IMSRW.”
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.