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Significant Accounting Policies
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Significant Accounting Policies    
Significant Accounting Policies

2. Significant Accounting Policies

Basis of Presentation and Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial reporting.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and Articles 8 and 10 of Regulation S-X of the U.S. Securities and Exchange Commission (“SEC”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted, pursuant to the rules and regulations of the SEC for interim financial reporting. Accordingly, it does not include all the information and footnotes necessary for a complete presentation of financial position, results of operations, or cash flows. The information herein should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed on March 30, 2026. In the opinion of management, the accompanying unaudited condensed consolidated financial statements include all adjustments, consisting of a normal recurring nature, which are necessary for a fair statement of the financial position, operating results, and cash flows for the periods presented.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates, judgments and assumptions. The Company believes that the estimates, judgments and assumptions made when accounting for items and matters such as, but not limited to, determination of deferred income for government assistance, useful life of property and equipment and intangible assets, fair value of stock options granted, recognition of deferred income tax assets, determination of incremental borrowing rate used to measure lease liabilities, and warrants, are reasonable based on information available at the time they are made. These estimates, judgments and assumptions can affect the reported amounts of assets and liabilities as of the date of the condensed consolidated financial statements, as well as amounts reported on the statements of operations during the periods presented. Actual results could differ from those estimates.

Foreign Currency

The Company’s reporting currency is the United States dollar (“USD”). The functional currency of each subsidiary is determined by the currency of the primary economic environment in which the entity operates. The functional currency of Terrestrial Energy Ontario Inc. (“TEON”) is the Canadian dollar (“CAD”), that of Terrestrial Energy Limited, a company incorporated under the laws of England and Wales, the Pound Sterling and that of Terrestrial Energy USA, Inc., the USD. Assets and liabilities of the operating subsidiaries are translated at the spot rate in effect at the applicable reporting date. Revenues and expenses of the operating subsidiaries are translated at the average exchange rates in effect during the applicable period. The resulting foreign currency translation adjustment is recorded as Accumulated other comprehensive income (loss), which is reflected as a separate component of Stockholders’ Equity (Deficit). The functional currency is translated into U.S. dollars for balance sheet accounts using currency exchange rates in effect as of the balance sheet date, and for revenue and expense accounts using a weighted-average exchange rate during the respective reporting period. The transactions in foreign currency (that is a different currency than the functional currency of the entity) are converted at the exchange rate prevailing to the date of the transaction. The assets and liabilities denominated in foreign currencies are evaluated in the current period on the date of the closing or at the opening rate, when applicable. The translation adjustments are deferred as a separate component of equity in “Accumulated other comprehensive income (loss)”. Gains or losses resulting from transactions denominated in foreign currencies and intercompany debt that is not of a long-term investment nature are included in foreign exchange gain (loss) in the condensed consolidated statements of operations and comprehensive loss.

Concentration of Credit Risks

The Company’s cash accounts in a financial institution may at times exceed the Federal Depository Insurance coverage of $250,000. No losses have been incurred to date on any deposit balance.

Fair Value Measurements

Fair value is defined as the exit price, or the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. The authoritative guidance establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are from sources independent of the Company. Unobservable inputs reflect the Company’s assumptions about the factors market participants would use in valuing the asset or liability developed based upon the best information available in the circumstances. The categorization of financial assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The hierarchy is broken down into three levels:

Level 1: Inputs are quoted prices in active markets for identical assets or liabilities.
Level 2: Inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs (other than quoted prices) that are observable for the asset or liability, either directly or indirectly.
Level 3: Inputs are unobservable for the asset or liability.

The carrying amounts of certain financial instruments, such as cash equivalents, prepaid expenses and other current assets, accounts payable and accrued expenses, approximate fair value due to their relatively short maturities. The Company’s investments are classified as Level 1 or Level 2 assets (as described in Note 3). The valuation techniques used to measure the fair values of the Company’s Level 2 financial instruments, which generally have counterparties with high credit ratings, are based on quoted market prices or model-driven valuations using significant inputs derived from and corroborated by observable market data.

Warrants

The Company reviews the terms of warrants to purchase its common stock to determine whether warrants should be classified as liabilities or stockholders’ equity (deficit) in its condensed consolidated balance sheets. In order for a warrant to be classified in stockholders’ equity (deficit), the warrant must be (i) indexed to the Company’s equity and (ii) meet the conditions for equity classification.

If a warrant does not meet the conditions for stockholders’ equity (deficit) classification, it is carried on the condensed consolidated balance sheets as a warrant liability measured at fair value, with subsequent changes in the fair value of the warrant recorded in other income (expense) in the condensed consolidated statements of operations and comprehensive loss. If a warrant meets both conditions for equity classification, the warrant is initially recorded, at its relative fair value on the date of issuance, in stockholders’ deficit in the condensed consolidated balance sheets, and the amount initially recorded is not subsequently remeasured at fair value.

Stock-Based Compensation

The Company accounts for stock-based compensation arrangements granted to employees in accordance with Accounting Standards Codification (“ASC”) 718, “Compensation: Stock Compensation”, by measuring the grant date fair value of the award and recognizing the resulting expense over the period during which the employee is required to perform service in exchange for the award. Equity-based compensation expense is only recognized for awards subject to performance conditions if it is probable that the performance condition will be achieved. The Company accounts for forfeitures when they occur.

The Company uses the Black-Scholes option pricing model to determine the grant date fair value of its stock-based compensation. This model requires the Company to estimate the expected volatility and the expected term of the stock options, which are highly complex and subjective variables. The Company uses an expected volatility of its stock price during the expected life of the options that is based on the historical performance of the Company’s stock price as well as including an estimate using similar companies. The expected term is computed using the simplified method as the Company’s best estimate given its lack of actual exercise history. The Company has selected a risk-free rate based on the implied yield available on U.S. Treasury securities with a maturity equivalent to the expected exercise term of the stock option.

Prior to the Closing of the Business Combination, there was no public market for the Company’s common stock. Therefore, the Company determined the fair value of common stock at the time of each grant of stock options by considering a number of objective and subjective factors in accordance with applicable elements of the practice aid issued by the American Institute of Certified Public Accountants titled, “Valuation of Privately Held Company Equity Securities Issued as Compensation.” Stock options granted by the Company have exercise prices equal to the fair value of the Company’s common stock, as determined by the Company on the date of grant. After the Closing of the Business Combination, the closing price of the common stock on Nasdaq is used as the fair value of the Company’s common stock.

The Company grants restricted stock units (RSUs) to employees and non-employee directors as part of its equity-based compensation program. RSUs represent the right to receive shares of the Companys common stock upon vesting, subject to specified service. RSUs do not have voting or dividend rights prior to the issuance of shares, except for dividend equivalents if and when declared, as applicable under the terms of the award agreements.

The Company accounts for RSUs in accordance with ASC 718, CompensationStock Compensation. Compensation expense for RSUs is measured at the grant-date fair value, which is equal to the closing market price of the Companys common stock on the date of grant. For RSUs subject solely to service-based vesting conditions, compensation expense is recognized on a straight-line basis over the requisite service period, which is generally the vesting period of the award. The Company accounts for forfeitures as they occur.

Upon vesting, each RSU is converted into one share of the Companys common stock. The Company may withhold shares to satisfy statutory tax withholding requirements. The issuance of shares upon vesting results in an increase to common stock and additional paid-in capital.

Government Grants

Government grants are recognized where there is reasonable assurance that the grant will be received, and all attached conditions will be complied with. When the grant relates to an expense item, the grant is recognized in other income as government grants deferred over the period necessary to match the grant on a systematic basis to the costs that it is intended to compensate. Where the grant relates to an asset, it is recognized as deferred income, and then recognized as income over the useful life of the related depreciable asset.

Net Loss Per Share

Basic and diluted net loss per share attributable to common stockholders is presented in conformity with the two-class method required for participating securities. The two-class method determines net income (loss) per share for each class of common and participating securities according to dividends declared or accumulated and participation rights in undistributed earnings. The two-class method requires income (loss) available to common stockholders for the period to be allocated between common and participating securities based upon their respective rights to shares in undistributed earnings as if all income (loss) for the period had been distributed. The Company’s preferred stock does not contractually require the holders of such stock to participate in losses of the Company. Accordingly, in periods in which the Company reports a net loss attributable to common stockholders, such losses are not allocated to such participating securities.

Basic net loss per share is calculated by dividing the net loss attributable to common stockholders by the weighted-average number of common stock outstanding during the period, without consideration of potentially dilutive securities. Diluted net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted-average number of common stock and potentially dilutive securities outstanding for the period. For purposes of this calculation, stock options, warrants, and restricted stock units have been excluded from the calculation of diluted net loss per share attributable to common stockholders as their effect is anti-dilutive for all periods presented.

Segment reporting

The Company has a single operating and reportable segment. The Company’s Chief Executive Officer (“CEO”) is its Chief Operating Decision Maker (“CODM”), who reviews financial information presented on a consolidated basis for the purposes of making operating decisions, allocating resources and evaluating financial performance.

Emerging Growth Company Status

The Company is an emerging growth company, as defined in Section 2(a) of the Securities Act of 1933, as amended, (the “Securities Act”), as modified by the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act, until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that the Company (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, these condensed consolidated financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

Recent Accounting Pronouncements

The Company has assessed the adoption impacts of recently issued accounting standards by the Financial Accounting Standards Board on the Company’s condensed consolidated financial statements as well as material updates to previous assessments, if any, to the Company’s annual audited consolidated financial statements and notes thereto included in our Form 10-K for the year ended December 31, 2025.

2. Significant Accounting Policies

Basis of Presentation and Principles of Consolidation

These consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) and are the consolidated financial statements of the Company and its subsidiaries, each of which are controlled, and are based on the financial position and results of operations of the Company as a standalone company. Intercompany balances and transactions between consolidated entities have been eliminated.

Emerging Growth Company Status

The Company is expected to be an emerging growth company, as defined in Section 2(a) of the Securities Act of 1933, as amended, (the Securities Act), as modified by the Jumpstart Our Business Startups Act of 2012 (the JOBS Act). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act, until such time as to those standards apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, these consolidated financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates, judgments and assumptions. The Company believes that the estimates, judgments and assumptions made when accounting for items and matters such as, but not limited to, revenue recognition, determination of deferred income for government assistance, VIE determination, useful life of property and equipment and intangible assets, fair value of stock options granted, recognition of deferred income tax assets, determination of incremental borrowing rate used to measure lease liabilities, warrants, embedded derivatives in convertible notes, and estimates related to accounting for the merger and reverse recapitalization, are reasonable based on information available at the time they are made. These estimates, judgments and assumptions can affect the reported amounts of assets and liabilities as of the date of the consolidated financial statements, as well as amounts reported on the statements of operations during the periods presented. Actual results could differ from those estimates.

Variable Interest Entities

The Company determines at the inception of each arrangement whether an entity in which the Company holds an investment or in which the Company has other variable interests is considered a variable interest entity (VIE). The Company consolidates VIEs when it is the primary beneficiary. The primary beneficiary of a VIE is the party that meets both of the following criteria: (1) has the power to make decisions that most significantly affect the economic performance of the VIE and (2) has the obligation to absorb losses or the right to receive benefits that in either case could potentially be significant to the VIE.

In 2014, the Company agreed to establish Terrestrial Energy USA, Inc. (TEUSA), a Delaware corporation, which was initially majority owned by SWH Capital LLC (SWH), an entity owned and controlled by the Chief Executive Officer of the Company, with the minority interest owned by the Company. TEUSAs purpose was to be an independent entity to commercialize IMSR technology for U.S. market deployment with the support of the U.S. Federal and State governments. The Company and TEUSA had several officers and directors in common. Under mutual licensing agreements between the companies, the Company would receive revenue royalties in the event that the technology was successfully commercialized in the U.S. The Company concluded that the TEUSA was a Variable Interest Entity as defined by ASC 810.

On December 23, 2024, the Company entered into an agreement and plan of merger providing for the merger of TEUSA (the TEUSA Merger) into a wholly owned subsidiary of the Company. Immediately prior to the TEUSA Merger, TEUSA was 70.1% owned by SWH and 29.9% owned by the Company. The effect of the TEUSA Merger is that the Company owns 100% of TEUSA as of December 23, 2024. In accordance with ASC 810, as the Company maintained controlling financial interest, the acquisition of the noncontrolling interest was accounted for as an equity transaction, consistent with ASC 810-10-45-23.

Foreign Currency

The Companys reporting currency is the United States dollar (USD). The functional currency of each subsidiary is determined by the currency of the primary economic environment in which the entity operates. The functional currency of TEON is the Canadian dollar (CAD), that of Terrestrial Energy Limited, a company incorporated under the laws of England and Wales, the Pound Sterling and that of Terrestrial Energy USA, Inc., the USD. Assets and liabilities of the operating subsidiaries are translated at the spot rate in effect at the applicable reporting date. Revenues and expenses of the operating subsidiaries are translated at the average exchange rates in effect during the applicable period. The resulting foreign currency translation adjustment is recorded as Accumulated other comprehensive income (loss), which is reflected as a separate component of Stockholders Equity (Deficit). The functional currency is translated into U.S. dollars for balance sheet accounts using currency exchange rates in effect as of the balance sheet date, and for revenue and expense accounts using a weighted-average exchange rate during the fiscal year. The transactions in foreign currency (that is a different currency than the functional currency of the entity) are converted at the exchange rate prevailing to the date of the transaction. The assets and liabilities denominated in foreign currencies are evaluated in the current period on the date of the closing or at the opening rate, when applicable. The translation adjustments are deferred as a separate component of equity in Accumulated other comprehensive income (loss). Gains or losses resulting from transactions denominated in foreign currencies and intercompany debt that is not of a long-term investment nature are included in foreign exchange gain (loss) in the consolidated statements of operations and comprehensive loss.

Liquidity and Going Concern

Historically, the Companys primary sources of liquidity have been cash flows from private fundraising offerings from related parties or other investors and other financing activities to fund operations. For theyears ended December31, 2025 and 2024, the Company reported operating losses of $25.2 and $10.4million, respectively, and negative cash flows from operations of $16.5 and $8.2million, respectively. As of December31, 2025, the Company had $97.2 million in cash and cash equivalents and $200.6 million in short-term investments. The Company had net working capital of $293.6 million and an accumulated deficit of $124.6 million.

The Company commenced trading on Nasdaq on October 29, 2025, after completing the business combination with HCM II on October 28, 2025. As outlined further below, after completing the transaction the Company received in excess of $292 million in gross proceeds before expenses, which included $50 million common stock private investment (PIPE) and approximately $242 million from HCM IIs trust account following redemptions of less than 1%. Based on this financing, the Company believes that it has sufficient liquidity to support operations for at least the next twelve months following the date of issuance of the consolidated financial statements. This projection is based on the Companys current expectations regarding future sales, cost structure, cash burn rate and other operating assumptions.

Cash, Cash Equivalents and Short-Term Investments

Cash equivalents represent short-term, highly liquid investments, which are readily convertible to cash and have maturities of 90 days or less at time of purchase. The Companys cash and cash equivalents are held with major financial institutions and earn interest at the prevailing rate for business operating accounts.

Short-term investments consist of marketable securities with original maturities greater than three months but less than one year at the time of purchase. These investments may include U.S Treasury securities, government agency securities, commercial paper, and other highly rated debt instruments. Short-term investments are subject to a periodic impairment review. If the Company does not intend to sell and it is not more likely than not that it will be required to sell the investment prior to recovery of its amortized cost basis, it will determine whether a decline in fair value below the amortized cost basis is due to credit-related factors. The credit loss is measured as the amount by which the investments amortized cost basis exceeds the estimate of the present value of cash flows expected to be collected, up to the difference between the amortized cost basis and the fair value. Impairment is assessed at the individual investment level. Credit-related impairment is recognized as an allowance in the consolidated balance sheets with a corresponding adjustment to interest

and dividend income, in the consolidated statements of operations and comprehensive loss. Any impairment that is not credit-related is recognized in accumulated other comprehensive income in the consolidated balance sheets.

The Companys short-term investments have been classified and accounted for as available-for-sale. The cost of short-term investments is adjusted for accretion of premiums and amortization of discounts to maturity. Such accretion and amortization, as well as interest and dividends, are included in interest and dividend income. The cost of investments sold is determined using the specific identification method. Unrealized gains and losses on short-term investments classified as available-for-sale are recognized in other comprehensive income on the consolidated statements of comprehensive loss.

Property and Equipment, Net

Property and equipment is stated at cost or deemed at cost less accumulated amortization. Property and equipment is amortized monthly over its useful life on a straight-line basis at the following rates:

Computer equipment

  ​ ​ ​

2 – 4 years

Computer software

 

1 – 3 years

Equipment

 

5 years

Furniture and fixtures

 

5 years

Leasehold improvements are amortized over the shorter of their useful life or remaining lease term. Expenditures for repairs and maintenance, which do not improve or extend the life of the assets, are expensed as incurred.

Concentration of Credit Risks

The Companys cash accounts in a financial institution may at times exceed the Federal Depository Insurance coverage of $250,000. No losses have been incurred to date on any deposit balance.

Intangible Assets, Net

Intangible assets consist of intellectual property rights and patents and trademarks related to the IMSR technology. Intangible assets acquired separately are measured on initial recognition at cost. Internally generated intangible assets are initially recognized if they meet certain recognition criteria. Development expenditures not satisfying the above criteria, and expenditure on the research phase of internal projects, are expensed as incurred and are included in research and development costs in the consolidated statement of operations and comprehensive loss.

The Company amortizes intangible assets with finite lives over their estimated useful lives of 20 years using a straight-line amortization method, which the Company believes is the best estimate to reflect the pattern in which the economic benefits of the intangible assets are consumed or otherwise realized and reviews them for impairment whenever an impairment indicator exists.

Impairment of Long-lived Assets

Management reviews each asset or asset group for impairment whenever events or circumstances indicate that the carrying value of an asset or asset group may not be recoverable. The Company measures the recoverability of the assets by comparing the carrying amount of such asset or asset group to the future undiscounted cash flows it expects the asset or asset group to generate. If the Company considers the asset or asset group to be impaired, the impairment to be recognized equals the amount by which the carrying value of the asset or asset group exceeds its fair value. No impairment losses were recorded by the Company during the years ended December 31, 2025 and 2024.

Revenue Recognition

The Company determines revenue recognition through the following steps: a) identification of the contract with a customer, b) identification of the performance obligations in the contract, c) determination of the transaction price, d) allocation of the transaction price to the performance obligations in the contract and e) recognition of revenue when the Company satisfies a performance obligation.

The Company carries out engineering services for customers with revenue recognized typically on an over time basis. The Companys contracts with the customer are to provide a significant service of integrating a complex set of tasks and components into a single deliverable. Consequently, the entire contract is accounted for as one performance obligation. The Company recognizes revenue from engineering services over time using an input method as performance obligations have no alternative use for the Company and the contracts would require payment to be received for the time and effort spent by the Company on progressing the contracts in the event of the customer cancelling the contract prior to completion for any reason other than the Companys failure to perform its obligations under the contract. Specifically, labor hours incurred are used to measure progress towards complete satisfaction of the service. This is considered a faithful depiction of the transfer of services as the contracts are initially priced on the basis of anticipated hours to complete the projects and, therefore, also represents the amount to which the Company would be entitled based on its performance to date.

The Company defers incremental costs of obtaining a customer contract and amortizes the deferred costs over the period that the related revenue is recognized. The Company had no material incremental costs to obtain customer contracts in any period presented.

The Company intends to disaggregate revenue into categories to provide useful information to the users of the consolidated financial statements about the nature, amount, timing, and uncertainty of revenue and cash flows as the Companys customer base expands.

Leases

All leases are accounted for by recognizing a right-of-use asset and a lease liability except for leases with a duration of 12 months or less.

Lease liabilities are measured at the present value of the contractual payments due to the lessor over the lease term, with the discount rate determined by reference to the rate inherent in the lease unless this is not readily determinable, in which case the Companys incremental borrowing rate on commencement of the lease is used. Variable lease payments are only included in the measurement of the lease liability if they depend on an index or rate. In such cases, the initial measurement of the lease liability assumes the variable element will remain unchanged throughout the lease term. Other variable lease payments are expensed in the period to which they relate.

On initial recognition, the carrying value of the lease liability also includes:

amounts expected to be payable under any residual value guarantee;
the exercise price of any purchase option granted in favor of the Company if it is reasonably certain to assess that option;
any penalties payable for terminating the lease, if the term of the lease has been estimated on the basis of termination option being exercised.

Right of use assets are initially measured at the amount of the lease liability, reduced for any lease incentives received, and increased for:

lease payments made at or before commencement of the lease;
initial direct costs incurred; and
the amount of any provision recognized where the Company is contractually required to dismantle, remove or restore the leased asset.

Subsequent to initial measurement lease liabilities increase as a result of interest charged at a constant rate on the balance outstanding and are reduced for lease payments made. Right-of-use assets are amortized on a straight-line basis over the remaining term of the lease.

When the Company revises its estimate of the term of any lease, it adjusts the carrying amount of the lease liability to reflect the payments to make over the revised term, which are discounted using a revised discount rate. The carrying value of lease liabilities is similarly revised when the variable element of future lease payments dependent on a rate or index is revised, except the discount rate remains unchanged. In both cases, an equivalent adjustment is made to the carrying value of the right-of-use asset, with the revised carrying amount being amortized over the remaining (revised) lease term. If the carrying amount of the right-of-use asset is adjusted to zero, any further reduction is recognized in profit or loss.

Fair Value Measurements

Fair value is defined as the exit price, or the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. The authoritative guidance establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are from sources independent of the Company. Unobservable inputs reflect the Companys assumptions about the factors market participants would use in valuing the asset or liability developed based upon the best information available in the circumstances. The categorization of financial assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The hierarchy is broken down into three levels:

Level 1: Inputs are quoted prices in active markets for identical assets or liabilities.
Level 2: Inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs (other than quoted prices) that are observable for the asset or liability, either directly or indirectly.
Level 3: Inputs are unobservable for the asset or liability.

The carrying amounts of certain financial instruments, such as cash equivalents, prepaid expenses and other current assets, accounts payable and accrued expenses, approximate fair value due to their relatively short maturities. The Companys short-term investments are classified as Level 1 (as described in Note 7).

Convertible Notes

The Company may enter into convertible notes, certain of which contain, predominantly, fixed rate conversion features, whereby the outstanding principal and accrued interest may be converted by the holder, into common shares at a fixed discount to the market price of the common stock at the time of conversion. The Companys convertible notes outstanding represent a financial instrument other than an outstanding share that embodies a conditional obligation that the issuer must or may settle by issuing a variable number of its equity shares. The Company records the convertible note liability at its fixed monetary amount by measuring and recording a premium, as applicable, on the convertible notes date in accordance with ASC Topic 480, Distinguishing Liabilities from Equity (ASC 480).

Warrants

The Company reviews the terms of warrants to purchase its common stock to determine whether warrants should be classified as liabilities or stockholders deficit in its consolidated balance sheets. In order for a warrant to be classified in stockholders deficit, the warrant must be (i) indexed to the Companys equity and (ii) meet the conditions for equity classification.

If a warrant does not meet the conditions for stockholders deficit classification, it is carried on the consolidated balance sheets as a warrant liability measured at fair value, with subsequent changes in the fair value of the warrant recorded in other income (expense) in the consolidated statements of operations and comprehensive loss. If a warrant meets both conditions for equity classification, the warrant is initially recorded, at its relative fair value on the date of issuance, in stockholders deficit in the consolidated balance sheets, and the amount initially recorded is not subsequently remeasured at fair value.

Income Taxes

The Company uses the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settles. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. In addition, a valuation allowance is established to reduce any deferred tax asset for which it is determined that is it more likely than not that some portion of the deferred tax asset will not be realized.

During the ordinary course of business, there are many transactions and calculations for which the ultimate tax determination is uncertain. Accounting for income taxes requires a two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if available evidence indicates it is more likely than not that the tax position will be fully sustained upon review by taxing authorities, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount with a greater than 50 percent likelihood of being realized upon ultimate settlement. For tax positions that are 50 percent or less likely of being sustained upon audit, the Company does not recognize any portion of that benefit in the financial statements.

Stock-Based Compensation

The Company accounts for stock-based compensation arrangements granted to employees in accordance with ASC 718, Compensation: Stock Compensation, by measuring the grant date fair value of the award and recognizing the resulting expense over the period during which the employee is required to perform service in exchange for the award. Equity-based compensation expense is only recognized for awards subject to performance conditions if it is probable that the performance condition will be achieved. The Company accounts for forfeitures when they occur.

The Company uses the Black-Scholes option pricing model to determine the grant date fair value of its stock options granted. This model requires the Company to estimate the expected volatility and the expected term of the stock options, which are highly complex and subjective variables. The Company uses an expected volatility of its stock price during the expected life of the options that is based on the historical performance of the Companys stock price as well as including an estimate using similar companies. The expected term is computed using the simplified method as the Companys best estimate given its lack of actual exercise history. The Company has selected a risk-free rate based on the implied yield available on U.S. Treasury securities with a maturity equivalent to the expected exercise term of the stock option.

The Company grants restricted stock units (RSUs) to employees and non-employee directors as part of its equity-based compensation program. RSUs represent the right to receive shares of the Companys common stock upon vesting, subject to specified service. RSUs do not have voting or dividend rights prior to the issuance of shares, except for dividend equivalents if and when declared, as applicable under the terms of the award agreements.

The Company accounts for RSUs in accordance with ASC 718, CompensationStock Compensation. Compensation expense for RSUs is measured at the grant-date fair value, which is equal to the closing market price of the Companys common stock on the date of grant. For RSUs subject solely to service-based vesting conditions, compensation expense is recognized on a straight-line basis over the requisite service period, which is generally the vesting period of the award. The Company accounts for forfeitures as they occur.

Upon vesting, each RSU is converted into one share of the Companys common stock. The Company may withhold shares to satisfy statutory tax withholding requirements. The issuance of shares upon vesting results in an increase to common stock and additional paid-in capital.

Advertising

Advertising costs are expensed as incurred and are recognized as a component of general and administrative expenses on the consolidated statement of operations and comprehensive loss. Advertising costs expensed were approximately $0.1 million and $0.2 million for the years ended December 31, 2025 and 2024, respectively.

Government Grants

Government grants are recognized where there is reasonable assurance that the grant will be received, and all attached conditions will be complied with. When the grant relates to an expense item, the grant is recognized in other income as government grants, deferred over the period necessary to match the grant on a systematic basis to the costs that it is intended to compensate. Where the grant relates to an asset, it is recognized as deferred income, and then recognized as income over the useful life of the related depreciable asset.

Research and Development

Research and development expenditures are expensed as incurred for designing and engineering products, including the costs of developing design tools. All research and development costs related to product development are expensed as incurred.

Research and Development Tax Credits

Research and development expenditures are expensed as incurred. The Company claims investment tax credits as a result of incurring scientific research and experimental development expenditures. Investment tax credits are recognized when the related expenditures are incurred, and there is reasonable assurance of their realization. Management has made a number of estimates and assumptions in determining the expenditures eligible for the investment tax credit claim. The Companys claim is subject to audit by Canada Revenue Agency who may disallow all or a portion of the amount recorded. For the years ended December 31, 2025 and 2024, the Company earned $0.0 million and $0.2 million of research and development tax credits.

Net Loss Per Share

Basic and diluted net loss per share attributable to common stockholders is presented in conformity with the two-class method required for participating securities. The two-class method determines net income (loss) per share for each class of common and participating securities according to dividends declared or accumulated and participation rights in undistributed earnings. The two-class method requires income (loss) available to common stockholders for the period to be allocated between common and participating securities based upon their respective rights to shares in undistributed earnings as if all income (loss) for the period had been distributed. The Companys preferred stock does not contractually require the holders of such stock to participate in losses of the Company. Accordingly, in periods in which the Company reports a net loss attributable to common stockholders, such losses are not allocated to such participating securities.

Basic net loss per share is calculated by dividing the net loss attributable to common stockholders by the weighted-average number of common stock outstanding during the period, without consideration of potentially dilutive securities. Diluted net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted-average number of common stock and potentially dilutive securities outstanding for the period. For purposes of this calculation, stock options, warrants, and restricted stock units have been excluded from the calculation of diluted net loss per share attributable to common stockholders as their effect is anti-dilutive for all periods presented.

Segment reporting

The Company has a single operating and reportable segment. The Companys Chief Executive Officer (CEO) is its Chief Operating Decision Maker (CODM), who reviews financial information presented on a consolidated basis for the purposes of making operating decisions, allocating resources and evaluating financial performance.

Recent Accounting Pronouncements

In December 2023, the FASB issued ASU No. 2023-09 (Topic 740), Improvements to Income Tax Disclosures, which enhances the transparency and decision usefulness of income tax disclosures. The amendments in ASU 2023-09 are effective for annual periods beginning after December 15, 2024. The Company has adopted this guidance on a retrospective basis, which did not have an impact on its financial position, results of operations, or cash flows, although it did result in expanded disclosures which are included in Note 16 of the consolidated financial statements.

Issued in November 2024, ASU 2024-03, Disaggregation of Income Statement Expenses (Subtopic 220-40), requires the disaggregated disclosure of specific expense categories, including purchases of inventory, employee compensation, depreciation, and amortization, within relevant income statement captions. This ASU also requires disclosure of the total amount of selling expenses along with the definition of selling expenses. The ASU is effective for annual periods beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Adoption of this ASU can either be applied prospectively to consolidated financial statements issued for reporting periods after the effective date of this ASU or retrospectively to any or all prior periods presented in the consolidated financial statements. The Company is currently evaluating the impact this ASU will have on its consolidated financial statements and related disclosures.

In March 2025, the FASB issued ASU No. 2025-03 (Topics 805 and 810), Determining the Accounting Acquirer in the Acquisition of a Variable Interest Entity. The ASU modifies the guidance for identifying the accounting acquirer in business combinations involving a variable interest entity (VIE) by requiring entities to evaluate the existing business combination indicators when the VIE is a business and equity interests are exchanged. The ASU is effective on a prospective basis for annual reporting periods beginning after December 15, 2026. The Company is currently evaluating the impact this ASU will have on its consolidated financial statements and related disclosures.

In July 2025, the FASB issued ASU 2025-05, Financial Instruments Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets. The ASU introduces a practical expedient that allows entities to assume current economic conditions remain unchanged over the life of an asset when estimating expected credit losses for current accounts receivable and current contract assets arising from transactions under ASC 606, Revenue from Contracts with Customers. The guidance is effective for annual periods beginning after December 15, 2025, and interim periods within those annual periods. Early adoption is permitted. The amendments are applied prospectively to eligible assets existing on or arising after the date of adoption. The Company does not currently have accounts receivable or contract assets arising from ASC 606 transactions. Accordingly, the adoption of ASU 2025-05 is not expected to have a material impact on the Companys financial position, results of operations, or cash flows. The Company will continue to monitor future activity and evaluate the applicability of this guidance if accounts receivable or contract assets arise in future periods.

In December 2025, the FASB issued ASU 2025-10, Accounting for Government Grants Received by Business Entities (ASU 2025-10), which establishes the accounting and presentation for government grants received by a business entity. ASU 2025-10 is effective for annual reporting periods beginning after December 15, 2028, and interim reporting periods within those annual reporting periods. Early adoption is permitted. ASU 2025-10 permits an entity to apply the new guidance using a modified prospective basis, a modified retrospective basis, or a full retrospective basis. The Company is currently evaluating the impact from ASU 2025-10 on its consolidated financial statements.

In December 2025, the FASB issued ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements (ASU 2025-11). ASU 2025-11 is intended to improve the clarity and navigability of interim reporting guidance by (i) specifying the required form and content of interim financial statements, (ii) consolidating and organizing interim disclosure requirements across the Codification, and (iii) introducing a disclosure principle requiring entities to describe events occurring after the end of the most recent annual reporting period that have a material impact on the entity. ASU 2025-11 is effective for public business entities for fiscal years beginning after December 15, 2027, including interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact of adopting ASU 2025-11 on its consolidated financial statements and related disclosures.

In December 2025, the FASB issued ASU No. 2025-12, Codification Improvements (ASU 2025-12). ASU 2025-12 adds clarification, corrects errors, or makes minor improvements. ASU 2025-12 is effective for fiscal years beginning after December 15, 2026, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual reporting period and adoption can be applied on prospectively or retrospectively. The Company is currently evaluating the impact of ASU 2025-12 on its consolidated financial statements and disclosures.

Other than as described above, no accounting pronouncements issued or effective during the year ended December 31, 2025, has had or is expected to have a material impact on the consolidated financial statements.