{"filings":[{"id":77804,"accession_number":"0001104659-26-060716","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2026-05-14T11:45:23+00:00","items":["2.02","9.01"],"status":"ready","headline":"Terrestrial Energy Q1 net loss $10.5M; cash $289.9M; NRC approves PIE Topical Report","event_type":"earnings","confidence":"high","bullets":["Net loss of $10.5M in Q1 2026 vs $6.2M in Q4 2025, driven by higher R&D and G&A costs.","Cash and investments of $289.9M at March 31, 2026; Q1 cash burn $7.9M.","NRC approved IMSR Postulated Initiating Events Topical Report and issued Safety Evaluation Report.","Signed OTA agreements with DOE for TETRA reactor pilot and TEFLA fuel line pilot projects.","MOU with Riot Platforms to co-locate up to 4GW of IMSR nuclear capacity with data centers."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.75,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":97246,"accession_number":"0001104659-26-057977","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2026-05-08T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Terrestrial Energy discloses Board resignation of David Hill, effective July 1, 2026","event_type":"leadership","confidence":"high","bullets":["David Hill resigned from the Board of Directors, effective July 1, 2026; joined Board in 2014.","Resignation is not the result of any disagreement with the Company's operations, policies, or practices.","No replacement for the Board seat has been announced as of the filing date."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":97245,"accession_number":"0001104659-26-044426","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2026-04-16T23:59:59+00:00","items":["5.02","9.01"],"status":"ready","headline":"Terrestrial Energy enters new employment agreements with CFO, COO, and CTO on April 16, 2026","event_type":"leadership","confidence":"high","bullets":["CFO Brian Thrasher: base salary $350k, annual bonus target 43% of base, eligible for equity awards under 2025 Plan.","COO William Smith: base salary $330k, bonus target 20% of base; CTO David LeBlanc: base salary $250k, bonus target 20% of base.","Without cause termination triggers 6 months base salary severance, pro-rata bonus, accelerated vesting of equity scheduled to vest within 6 months.","COO and CTO also receive continuation of group health/dental benefits for up to 6 months post-termination; CFO receives COBRA premium reimbursement.","Each agreement includes 6-month non-compete and non-solicitation covenants post-termination."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.45,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":111844,"accession_number":"0001104659-26-036467","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2026-03-30T23:59:59+00:00","items":["2.02","9.01"],"status":"ready","headline":"Terrestrial Energy reports 2025 net loss of $28M, cash $298M; IMSR project milestones advanced","event_type":"earnings","confidence":"high","bullets":["Net loss of $28M for full year 2025, up $17M YoY from $11M, driven by higher R&D (+$5M) and G&A (+$10M).","Cash and short-term investments $298M at Dec 31, 2025; business combination raised ~$292M gross proceeds.","Texas A&M selected IMSR for commercial plant at RELLIS campus; DOE awarded two pilot projects (TETRA and TEFLA).","NRC accepted IMSR Principal Design Criteria including inherent reactor power control mechanism.","105.8M shares outstanding (81.8M common + 24.0M exchangeable) as of Dec 31, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":111843,"accession_number":"0001104659-26-007880","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2026-01-29T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"Terrestrial Energy provides 2025 milestones and 2026 outlook; raised $292M in business combination","event_type":"other_material","confidence":"high","bullets":["Completed business combination with HCM II, raising ~$292M gross proceeds and listing on Nasdaq under IMSR.","Selected by Texas A&M to site a commercial IMSR plant at RELLIS campus; partnered with Ameresco for project development.","Entered final phase of graphite irradiation tests at NRG PALLAS; received two DOE OTA awards for pilot reactor and fuel line.","Fuel services agreement with Westinghouse; uses SALEU (<5% enriched U-235), avoiding HALEU supply challenges.","2026 priorities: TETRA pilot reactor criticality and TEFLA fuel salt pilot; targeting fleet deployment in the 2030s."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.75,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":128478,"accession_number":"0001104659-25-115406","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-11-24T23:59:59+00:00","items":["4.01","9.01"],"status":"ready","headline":"Terrestrial Energy replaces Withum with UHY as independent auditor","event_type":"other_material","confidence":"high","bullets":["Audit committee dismissed WithumSmith+Brown on Nov 21, 2025, effective upon notice Nov 24.","Withum's 2024 report on HCM II (pre-merger SPAC) had going-concern and restatement emphasis paragraphs.","No disagreements or reportable events occurred during Withum's tenure through dismissal.","UHY LLP engaged as new auditor for FY2025; UHY previously audited Legacy Terrestrial Energy.","HCM II did not consult UHY on any accounting matters before engagement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":128476,"accession_number":"0001104659-25-112689","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K/A","filed_at":"2025-11-14T23:59:59+00:00","items":["9.01"],"status":"ready","headline":"Terrestrial Energy Files Amended 8-K Including Financials for Nuclear Tech Merger","event_type":"m_and_a","confidence":"high","bullets":["Business combination with HCM II Acquisition Corp. closed Oct 28, 2025; combined company now trades on Nasdaq as IMSR and IMSRW.","Gross proceeds from the merger exceeded $292 million, including $50 million PIPE and ~$242 million from HCM II's trust.","For nine months ended Sept 30, 2025, net loss attributable to common stockholders was $21.8 million, operating loss $18.4 million.","Cash and cash equivalents rose to $27.7 million as of Sept 30, 2025 from $3.0 million at Dec 31, 2024.","Filing includes unaudited financial statements of Legacy Terrestrial Energy and pro forma combined financials."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.8,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":128477,"accession_number":"0001213900-25-105304","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-11-03T23:59:59+00:00","items":["1.01","2.01","5.02","3.02","9.01","3.03","5.01","5.03","5.05","5.06"],"status":"ready","headline":"Terrestrial Energy completes de-SPAC merger; shares start trading Oct 29 on Nasdaq under IMSR","event_type":"m_and_a","confidence":"high","bullets":["Business combination closed Oct 28; Legacy Terrestrial Energy becomes wholly owned sub of New Terrestrial Energy.","Exchange ratio of 44.7029 applied; issued ~47.7M common shares to legacy securityholders.","PIPE investors contributed $50M at $10/share for 5M shares.","Sponsor and key holders subject to 12-month lock-up; early release triggers at VWAP of $15 and $20.","Common and warrants begin Nasdaq trading Oct 29 under IMSR and IMSRW."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.85,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":128475,"accession_number":"0001213900-25-103554","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-10-29T23:59:59+00:00","items":["3.03","5.03","8.01","9.01"],"status":"ready","headline":"Terrestrial Energy completes de-SPAC merger; trades on Nasdaq as IMSR/IMSRW","event_type":"m_and_a","confidence":"high","bullets":["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."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.75,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":128474,"accession_number":"0001213900-25-101312","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-10-22T23:59:59+00:00","items":["5.07","7.01","9.01"],"status":"ready","headline":"HCM II shareholders approve business combination with Terrestrial Energy; closing Oct 27","event_type":"m_and_a","confidence":"high","bullets":["All proposals approved at the Oct 20 extraordinary general meeting; 15.6M votes for the business combination.","Only 0.03% of outstanding Class A shares redeemed, leaving ~$243 million in trust.","Closing expected on or about Oct 27, 2025; Nasdaq trading begins Oct 28 under tickers IMSR and IMSRW.","Combined company will focus on Terrestrial Energy's Integral Molten Salt Reactor (IMSR) technology."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.85,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145267,"accession_number":"0001213900-25-093191","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-09-29T23:59:59+00:00","items":["8.01","9.01","7.01"],"status":"ready","headline":"HCM II and Terrestrial Energy: SEC declares S-4 effective, shareholder meeting set for Oct 20","event_type":"other_material","confidence":"high","bullets":["SEC declared effective the Registration Statement on Form S-4 on September 26, 2025 for the business combination.","HCM II shareholders to vote at Extraordinary General Meeting on October 20, 2025; record date September 24, 2025.","Post-combination company plans to list on Nasdaq under symbols IMSR and IMSRW upon closing.","Terrestrial Energy develops IMSR small modular nuclear plants with Generation IV technology.","Definitive proxy statement/prospectus began mailing to shareholders on September 26, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.75,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145266,"accession_number":"0001213900-25-064264","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-07-15T23:59:59+00:00","items":["4.02"],"status":"ready","headline":"HCM II Acquisition Corp. non-reliance on FY2024, Q1 2025 financials due to related party disclosure error","event_type":"other_material","confidence":"high","bullets":["Audit committee on July 15, 2025 determined previously issued financial statements should no longer be relied upon.","Error in Footnote 5 incorrectly stated that the IPO underwriter was a related party of the company.","Company will restate Annual Report on Form 10-K for FY2024 and Quarterly Report on Form 10-Q for Q1 2025.","No estimate provided for when the restated filings (2024 Form 10-K/A and 2025 Form 10-Q/A) will be completed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.7,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":181564,"accession_number":"0001013762-25-002481","cik":2019804,"company_name":"Terrestrial Energy Inc. /DE/","ticker":"IMSR","form_type":"8-K","filed_at":"2025-03-26T23:59:59+00:00","items":["1.01","3.02","7.01","8.01","9.01"],"status":"ready","headline":"HCM II SPAC merges with Terrestrial Energy; $925M enterprise value, $50M PIPE","event_type":"m_and_a","confidence":"high","bullets":["Definitive agreement: HCM II merger sub to merge into Terrestrial Energy; target survives; enterprise value $925M.","$50M PIPE from 5M shares at $10/share; PIPE investors may use Non-Redeemed Shares to satisfy commitments.","Closing expected Q4 2025; requires HCM II shareholder approval, SEC effectiveness, Nasdaq listing, and $150M minimum SPAC cash.","Post-closing board: at least 5 directors (one from HCM II, CEO, rest from Terrestrial Energy)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.85,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}