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Terrestrial Energy Inc. /DE/ (IMSR) SEC Filings & Earnings Calls

EquiReason read 15 Terrestrial Energy Inc. /DE/ SEC filings in the last 12 months. Latest: 10-Q on 2026-08-11 — Company executed DOE OTA agreements, received NRC SER approval, and signed partnership with Riot Platforms for nuclear-powered data centers..

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

IMSRTerrestrial Energy Inc. /DE/Follow IMSR — free
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Next earnings
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Every filing, read

last 12 months · SEC

What happened, the numbers inside, guidance and risks. The original is one click away.

11 Aug 202610-QCompany executed DOE OTA agreements, received NRC SER approval, and signed partnership with Riot Platforms for nuclear-powered data centers.open

Figures in the filing · each found in the filing text

Cash and cash equivalents · Q2-2026$131M
Short-term investments · Q2-2026$143M
Net working capital · Q2-2026$269M
Accumulated deficit · Q2-2026$145M
Net loss · H1-2026$-20M+59% y/y
Operating cash flow · H1-2026$-15M+115% y/y

Risks flagged

Pre-revenue development stage

“The Company had operating losses of $23,603 and negative cash flows from operations of $14,794 for the six months ended June 30, 2026.”

Regulatory and licensing risk

“The IMSR Plant is scheduled for first commercial operation by the mid-2030s, and fleet operation commencing in the late 2030s.” · word for word
Read the original on SEC EDGAR ↗
11 Aug 20268-K · 2.02Q2 2026 earnings release with net loss of $9.4M, cash burn $6.4M, cash $283.4M; NRC approval of PIE methodology; unit economics update raising lifetime revenue per plant to $2.7B with 33% gross margin; Texas A&M site control; Riot MOU for uearningsopen

Figures in the filing · each found in the filing text

Net loss · Q2-2026$9M
Cash burn · Q2-2026$6M
Cash and investments · Q2-2026$283M
Lifetime revenue per plant · FY2026$2.70B
Blended gross margin · FY202633.0%
Shares issued and outstanding · Q2-2026105,900,000
Common shares · Q2-202682,700,000
Exchangeable shares · Q2-202623,200,000

Risks flagged

Pre-revenue development stage company with ongoing net losses and cash burn; no commercial revenue yet.

“Net loss of $9.4M; cash burn $6.4M; no revenue mentioned.”

Regulatory and licensing risks remain; NRC approval of PIE methodology is a milestone but full licensing still ahead.

“NRC approval of PIE methodology is foundational but further approvals needed.”

Execution risk on large-scale projects: Texas A&M site, Riot co-location, DOE partnerships.

“Multiple projects in early stages: TETRA, TEFLA, Riot MOU, Texas A&M site characterization.”
Read the original on SEC EDGAR ↗
31 Jul 20268-K · 5.02Director Shawn Matthews resigned from Board effective July 27, 2026; no disagreement with company operations, policies or practices.open

Risks flagged

Board departure, though amicable, reduces board continuity.

“Director resigned effective immediately.”
Read the original on SEC EDGAR ↗
28 Jul 20268-K · 5.02, 7.01Appointment of Kathryn McCarthy to Board of Directors; experienced nuclear industry veteran with leadership at Oak Ridge, Idaho National Lab, Canadian Nuclear Labs; also announces Q2 2026 earnings call date.SEC ↗
21 Jul 20268-K · 7.01Furnishing of investor presentation for general corporate and investor communications; no material new information.SEC ↗
17 Jul 20268-K · 5.02General Counsel, Secretary and Chief Compliance Officer Steven Millsap's employment ending effective September 12, 2026.open

Risks flagged

Loss of General Counsel and Chief Compliance Officer creates temporary gap in legal and compliance oversight.

“Steven Millsap's employment ending; no successor mentioned.”
Read the original on SEC EDGAR ↗
14 May 202610-QPre-revenue nuclear technology company reported increased operating loss and R&D spending, with strong cash position post-business combination.earningsopen

Figures in the filing · each found in the filing text

Net Loss · Q1-2026$-11M+68% y/y
Cash and Cash Equivalents · 2026-03-31$77M
Short-term Investments · 2026-03-31$198M
Operating Cash Flow · Q1-2026$-9M+229% y/y

Risks flagged

Pre-revenue development stage with no approved product

“The Company is an advanced nuclear technology company developing the Integral Molten Salt Reactor nuclear plant, with first commercial operation scheduled for mid-2030s.”

Significant operating losses and negative cash flow

“For the three months ended March 31, 2026 and 2025, the Company reported operating losses of $11,931 and $4,878, respectively, and negative cash flows from operations of $9,093 and $2,760, respectively.” · word for word
Read the original on SEC EDGAR ↗
14 May 20268-K · 2.02Q1 2026 net loss $10.5M; cash and investments $289.9M; cash burn $7.9M; regulatory progress with NRC; collaboration with Riot Platforms for up to 4GW nuclear power.earningsopen

Figures in the filing · each found in the filing text

Net loss · Q1-2026$-11M+69% y/y
Cash and investments · Q1-2026$290M
Cash burn · Q1-2026$8M
Shares issued and outstanding · Q1-2026105,900,000

Risks flagged

Net loss increased to $10.5M from $6.2M due to higher R&D and G&A expenses.

“net loss of $10.5 million, compared to a net loss of $6.2 million for the fourth quarter 2025” · word for word
Read the original on SEC EDGAR ↗
29 Apr 2026DEF 14AProxy statement for 2026 annual meeting; discloses executive compensation, insider ownership, and governance structure post-business combination.open

Risks flagged

Pre-revenue development stage risk

“The company is a pre-revenue advanced nuclear reactor developer; no product revenue disclosed.”

Regulatory and licensing risk

“Nuclear reactor development requires regulatory approvals; timeline uncertain.”
Read the original on SEC EDGAR ↗
30 Mar 202610-KTerrestrial Energy Inc. filed its first 10-K as a public company after completing a business combination with HCM II Acquisition Corp., reporting no revenue, a net loss of $28.0 million, and an accumulated deficit of $124.6 million for theearningsopen

Figures in the filing · each found in the filing text

Net loss · FY2025$-28M+144% y/y
Cash and cash equivalents · 2025-12-31$97M
Short-term investments · 2025-12-31$201M
Accumulated deficit · 2025-12-31$125M
Revenue · FY2025$0.00-100% y/y
Research and development costs · FY2025$10M+89% y/y
General and administrative expense · FY2025$14M+242% y/y
Net cash used in operating activities · FY2025$-16M+101% y/y
Net cash provided by financing activities · FY2025$311M+4192% y/y
Gross proceeds from business combination · 2025-10-28$292M

Risks flagged

No commercial operating history

“We have not yet constructed an IMSR Plant, nor have we entered into any binding contract with any customer.” · word for word

Regulatory approval uncertainty

“The IMSR Plant design has not yet been approved or licensed for use by the USNRC or the Canadian Nuclear Safety Commission at any site.” · word for word

Technology development risk

“Any delays in the development and construction of our IMSR plants and the manufacturing of their key components may adversely impact our business.” · word for word

Financing risk

“In order to fulfill our business plan, we will require additional funding.” · word for word

Customer adoption risk

“Our IMSR Plant design may not attract customers as quickly as we expect, or at all.” · word for word
Read the original on SEC EDGAR ↗
30 Mar 20268-K · 2.02Terrestrial Energy FY2025 net loss $28M (vs $11M prior year); cash $298M. Key milestones: Texas A&M selection, NRC acceptance of design criteria, DOE pilot awards, business combination raised $292M. Pre-revenue nuclear developer.earningsopen

Figures in the filing · each found in the filing text

Net loss · FY2025$-28M
Cash and short-term investments · FY2025$298M
Shares issued and outstanding · FY2025105,800,000
Gross proceeds from business combination · FY2025$292M

Risks flagged

Pre-revenue development stage; net loss increased significantly.

“Net loss $28M for 2025, increase of $17M from prior year.”

Regulatory and licensing risks for nuclear reactor deployment.

“NRC acceptance of design criteria is a step, but full licensing and construction approvals remain.”

Dependence on government support and partnerships for project development.

“DOE pilot awards and Texas A&M selection are positive but subject to continued government and partner commitment.”
Read the original on SEC EDGAR ↗
21 Nov 202510-Q/AAdministrative amendment to correct cover page share count and shell company status checkboxes; no financial or operational changes.SEC ↗
14 Nov 202510-QSPAC with no operations; entered into business combination agreement with Terrestrial Energy Inc.; PIPE financing arranged; going concern uncertainty.open

Figures in the filing · each found in the filing text

Net income · Q3-2025$2M+80% y/y
Operating cash flow · 9M-2025$-1M

Risks flagged

Going concern risk

“Management has determined that the liquidity condition raises substantial doubt about our ability to continue as a going concern.” · word for word

Business combination failure risk

“If we do not complete a Business Combination, we will trigger an automatic winding up, dissolution and liquidation pursuant to the terms of the Amended and Restated Memorandum and Articles of Association.” · word for word
Read the original on SEC EDGAR ↗
4 Nov 2025SC 13DSchedule 13D: David LeBlanc 9.7%SEC ↗
4 Nov 2025SC 13DSchedule 13D: Simon Irish 12.8%SEC ↗

Terrestrial Energy Inc. /DE/ — questions

What did Terrestrial Energy Inc. /DE/ file recently?
15 SEC filings in the last 12 months. Latest: 10-Q on 2026-08-11 — Company executed DOE OTA agreements, received NRC SER approval, and signed partnership with Riot Platforms for nuclear-powered data centers.

Every figure on this page comes from Terrestrial Energy Inc. /DE/'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.