Terrestrial Energy INC. /De/ (IMSRW) — SEC Filings

Overview

Terrestrial Energy INC. /De/ (IMSRW) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a S-1/A filed on Dec 22, 2025: Terrestrial Energy Inc. (IMSRW) filed an S-1/A on December 22, 2025, primarily for the registration of up to 18,776,119 shares of common stock in a primary offering and up to 18,792,599 shares of common stock and 1,267,599 warrants in a secondary offering. The primary offering includes 8,117,599 sha

Sentiment Summary

Across 30 filings, the sentiment breakdown is: 3 bearish, 25 neutral, 2 mixed. The dominant filing sentiment for Terrestrial Energy INC. /De/ is neutral.

Filing Type Overview

Terrestrial Energy INC. /De/ (IMSRW) has filed 4 S-1/A, 2 S-1, 10 8-K, 1 10-Q/A, 5 10-Q, 1 8-K/A, 1 10-K/A, 1 10-K, 5 SC 13G with the SEC between Jun 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (30)

• Terrestrial Energy Registers 37.5M Shares, Warrants; Insider Sales Loom — S-1/A · Dec 22, 2025 Risk: high
  Terrestrial Energy Inc. (IMSRW) filed an S-1/A on December 22, 2025, primarily for the registration of up to 18,776,119 shares of common stock in a primary offe
• Terrestrial Energy S-1 Reveals Massive Share & Warrant Resale Potential — S-1 · Nov 26, 2025 Risk: high
  Terrestrial Energy Inc. (IMSRW) filed an S-1 on November 26, 2025, primarily for the registration of up to 18,776,119 shares of common stock in a primary offeri
• Terrestrial Energy Inc. Changes Certifying Accountant — 8-K · Nov 24, 2025 Risk: low
  Terrestrial Energy Inc. filed an 8-K on November 24, 2025, reporting a change in its certifying accountant as of November 21, 2025. The company, formerly known
• Terrestrial Energy Amends 10-Q, Corrects Share Count and Shell Status — 10-Q/A · Nov 21, 2025 Risk: low
  Terrestrial Energy Inc. filed an Amendment No. 1 on Form 10-Q/A on November 21, 2025, solely to correct two specific errors on its original Form 10-Q for the pe
• Terrestrial Energy SPAC Nears Merger, Boosts Trust Account Income — 10-Q · Nov 14, 2025 Risk: medium
  Terrestrial Energy Inc. (IMSRW) reported a net income of $1,927,839 for the three months ended September 30, 2025, a significant increase from $1,071,221 in the
• 8-K/A Filing — 8-K/A · Nov 14, 2025
• Terrestrial Energy Inc. Files 8-K Detailing Major Corporate Changes — 8-K · Nov 3, 2025 Risk: medium
  Terrestrial Energy Inc. /DE/ (formerly HCM II Acquisition Corp.) filed an 8-K on November 3, 2025, reporting several material events. These include entering int
• Terrestrial Energy Inc. Files 8-K on Security Holder Rights — 8-K · Oct 29, 2025 Risk: medium
  On October 23, 2025, Terrestrial Energy Inc. filed an 8-K report detailing material modifications to the rights of its security holders. The filing also include
• HCM II Acquisition Corp. Files 8-K: Shareholder Vote & Financials — 8-K · Oct 22, 2025 Risk: low
  On October 22, 2025, HCM II Acquisition Corp. filed an 8-K report detailing a submission of matters to a vote of security holders, a Regulation FD disclosure, a
• HCM II Acquisition Corp. Files 8-K Report — 8-K · Sep 29, 2025 Risk: low
  On September 29, 2025, HCM II Acquisition Corp. filed an 8-K report. The filing primarily concerns "Other Events" and "Financial Statements and Exhibits," with
• SPAC IMSRW Swings to Profit, Eyes $925M Terrestrial Energy Merger — 10-Q · Aug 12, 2025 Risk: high
  HCM II Acquisition Corp. (IMSRW) reported a net income of $601,027 for the three months ended June 30, 2025, and $1,291,026 for the six months ended June 30, 20
• HCM II Acquisition Corp. Files 10-K/A, Confirms Compliance — 10-K/A · Jul 17, 2025 Risk: low
  HCM II Acquisition Corp. (IMSRW) filed a 10-K/A on July 17, 2025, for the fiscal year ended December 31, 2024, primarily to amend its annual report. As a Specia
• HCM II Acquisition Corp. Withdraws Prior Financial Statements — 8-K · Jul 15, 2025 Risk: high
  HCM II Acquisition Corp. filed an 8-K on July 15, 2025, to report that it will not rely on previously issued financial statements or related audit reports. This
• HCM II Acquisition Corp. Files Q1 2025 10-Q — 10-Q · May 20, 2025 Risk: low
  HCM II Acquisition Corp. filed its quarterly report for the period ending March 31, 2025. The company, incorporated in the Cayman Islands, is a blank check comp
• HCM II Acquisition Corp. Files 2024 Annual Report — 10-K · Mar 31, 2025 Risk: low
  HCM II Acquisition Corp. filed its annual report on Form 10-K for the fiscal year ended December 31, 2024. The company, incorporated in the Cayman Islands, is a
• HCM II Acquisition Corp. Files 8-K on Definitive Agreement & Equity Sales — 8-K · Mar 26, 2025 Risk: medium
  On March 26, 2025, HCM II Acquisition Corp. filed an 8-K report detailing several events. These include entering into a material definitive agreement, unregiste
• SC 13G Filing — SC 13G · Nov 14, 2024
• SC 13G Filing — SC 13G · Nov 14, 2024
• SC 13G Filing — SC 13G · Nov 14, 2024
• HCM II Acquisition Corp. Files Q3 2024 10-Q — 10-Q · Nov 13, 2024 Risk: medium
  HCM II Acquisition Corp. filed its quarterly report on Form 10-Q for the period ending September 30, 2024. The company, incorporated in the Cayman Islands, is a
• SC 13G Filing — SC 13G · Nov 6, 2024
• HCM II Acquisition Corp. Files 8-K on Share and Warrant Details — 8-K · Oct 10, 2024 Risk: low
  On October 10, 2024, HCM II Acquisition Corp. filed an 8-K report detailing events related to its business operations. The filing includes information about its
• HCM II Acquisition Corp. Files Q2 2024 10-Q — 10-Q · Sep 27, 2024 Risk: low
  HCM II Acquisition Corp. filed its 10-Q for the quarter ended June 30, 2024. The company, incorporated in the Cayman Islands, is a blank check company focused o
• SC 13G Filing — SC 13G · Aug 26, 2024
• HCM II Acquisition Corp. Files 8-K — 8-K · Aug 23, 2024 Risk: low
  HCM II Acquisition Corp. filed an 8-K on August 23, 2024, reporting on other events and financial statements. The company, incorporated in the Cayman Islands, i
• HCM II Acquisition Corp. Files 8-K with Business Updates — 8-K · Aug 20, 2024 Risk: medium
  On August 15, 2024, HCM II Acquisition Corp. entered into a material definitive agreement related to its business operations. The company also reported on unreg
• HCM II Acquisition Corp. Files S-1/A Amendment — S-1/A · Aug 2, 2024 Risk: low
  HCM II Acquisition Corp. filed an S-1/A amendment on August 2, 2024, for its registration statement. The company, incorporated in the Cayman Islands, is a blank
• HCM II Acquisition Corp. Files S-1/A Amendment — S-1/A · Jul 19, 2024 Risk: medium
  HCM II Acquisition Corp. filed an S-1/A amendment on July 19, 2024, for its registration statement. The company, incorporated in the Cayman Islands, is a blank
• HCM II Acquisition Corp. Files S-1/A Amendment — S-1/A · Jul 5, 2024 Risk: low
  HCM II Acquisition Corp. filed an S-1/A amendment on July 5, 2024, for its registration statement. The company, incorporated in the Cayman Islands, is a blank c
• HCM II Acquisition Corp. Files for IPO — S-1 · Jun 18, 2024 Risk: medium
  HCM II Acquisition Corp. filed an S-1 registration statement on June 17, 2024, for a proposed initial public offering. The company, incorporated in the Cayman I

Risk Profile

Risk Assessment: Of IMSRW's 24 recent filings, 4 were flagged as high-risk, 8 as medium-risk, and 12 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Key financial metrics from Terrestrial Energy INC. /De/'s most recent 10-Q filing (Nov 14, 2025):

• Revenue: $0
• Net Income: $1,927,839
• EPS: N/A
• Debt-to-Equity: N/A
• Cash Position: $350,389
• Operating Margin: N/A
• Total Assets: $246,793,361
• Total Debt: $0

Key Executives

• Simon Irish
• Shawn Matthews
• Eliot Robinson
• Tyler Mark
• Brian Thrasher
• Kevin E. Manz

Industry Context

Terrestrial Energy operates in the advanced nuclear energy sector, aiming to commercialize its novel Integral Molten Salt Reactor (IMSR) technology. This sector is characterized by long development cycles, high capital requirements, and stringent regulatory oversight. The industry is also facing increasing interest due to global decarbonization efforts, but competition exists from established nuclear power, renewable energy sources, and other advanced nuclear reactor designs.

Top Tags

spac (9) · SPAC (5) · Nuclear Energy (4) · filing (4) · Emerging Growth Company (3) · sec-filing (3) · Secondary Offering (2) · Dilution Risk (2) · Warrants (2) · SEC Filing (2)

Key Numbers

• Closing price of New Terrestrial Common Shares: $8.24 — As of December 15, 2025, below IPO price
• Per unit price in HCM II's initial public offering: $10.00 — Reference point for public investor losses
• Shares of common stock in primary offering: 18,776,119 — Potential new shares from warrant exercises
• Shares of common stock in secondary offering: 18,792,599 — Potential resale by Selling Securityholders
• Warrants to purchase common stock in secondary offering: 1,267,599 — Potential resale by Selling Securityholders
• New Terrestrial Common Shares and share equivalents outstanding: 105,782,452 — Total fully diluted shares as of December 15, 2025
• Percentage of fully diluted shares registered for resale: 12.6% — Significant potential increase in public float
• Aggregate proceeds from New Terrestrial Warrants exercise: $225.6 million — Potential cash inflow if warrants exercised at $11.50
• Aggregate proceeds from Legacy Terrestrial Warrants exercise: $23.9 million — Potential cash inflow if warrants exercised at $2.24
• Lowest acquisition price per share for Selling Securityholders: $0.01 — Indicates strong incentive to sell even at lower market prices
• Shares of Common Stock: 18,776,119 — Maximum shares in primary offering
• Warrants to Purchase Shares of Common Stock: 1,267,599 — Maximum warrants in secondary offering by Selling Securityholders
• Aggregate proceeds: $225.6M — Potential proceeds from cash exercise of all New Terrestrial Warrants at $11.50 exercise price
• Closing price per share: $9.62 — Closing price of New Terrestrial Common Shares on November 21, 2025
• Percentage of fully diluted shares: 9.7% — Resale Securities represent approximately 9.7% of total issued and outstanding New Terrestrial Common Shares on a fully diluted basis

Related Companies

IMSR · HOND · HONDW

Frequently Asked Questions