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    SEC Form 10-Q filed by Heliogen Inc.

    5/7/25 4:03:24 PM ET
    $HLGN
    Electric Utilities: Central
    Utilities
    Get the next $HLGN alert in real time by email
    hlg-20250331
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    Table of Contents
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
    FORM 10-Q
    xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the quarterly period ended March 31, 2025
    or
    oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the transition period from ______________ to ______________
    Commission File Number: 001-40209
    Heliogen, Inc.
    (Exact name of registrant as specified in its charter)
    Delaware85-4204953
    (State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
    130 West Union Street, Pasadena, California
    91103
    (Address of Principal Executive Offices)(Zip Code)
    Registrant's telephone number, including area code: (626) 720-4530
    Securities registered pursuant to Section 12(b) of the Act:
    Title of each classTrading Symbol(s)Name of each exchange on which registered
    Common stock, $0.0001 par value per shareHLGNOTCQX
    Warrants, each 35 warrants exercisable for one share of common stock at an exercise price of $402.50 per share
    HLGNW
    OTCPK
    Preferred Share Purchase RightsN/AOTCQX
    Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports); and (2) has been subject to such filing requirements for the past 90 days. Yes x No o
    Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o
    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
    Large accelerated fileroAccelerated filero
    Non-accelerated filerxSmaller reporting companyx
    Emerging growth companyx
    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. x
    Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o No x
    As of April 30, 2025, the registrant had 6,129,942 shares of common stock, par value $0.0001 per share outstanding.


    Table of Contents
    Table of Contents
    Page
    Cautionary Note Regarding Forward-Looking Statements
    3
    Part I - Financial Information
    Item 1. Financial Statements
    Consolidated Balance Sheets
    5
    Consolidated Statements of Operations
    6
    Consolidated Statements of Comprehensive Loss
    7
    Consolidated Statements of Stockholders’ Equity (Deficit)
    8
    Consolidated Statements of Cash Flows
    9
    Notes to Unaudited Consolidated Financial Statements
    11
    Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
    22
    Item 3. Quantitative and Qualitative Disclosures About Market Risk
    26
    Item 4. Controls and Procedures
    26
    Part II - Other Information
    Item 1. Legal Proceedings
    28
    Item 1A. Risk Factors
    28
    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
    28
    Item 3. Defaults Upon Senior Securities
    28
    Item 4. Mine Safety Disclosures
    28
    Item 5. Other Information
    28
    Item 6. Exhibits
    29
    Signatures
    30

    2

    Table of Contents
    Cautionary Note Regarding Forward-Looking Statements
    This Quarterly Report on Form 10-Q (the “Quarterly Report”) contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). We have based these forward-looking statements on our current expectations and projections about future events. All statements, other than statements of present or historical fact included in this Quarterly Report regarding our future financial performance, as well as our strategy, future operations, financial position, estimated revenues, losses, projected costs, prospects, plans and objectives of management are forward-looking statements. Any statements that refer to projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, are forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “forecast,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “target,” “will,” “would” or the negative of such terms or other similar expressions. These forward-looking statements are based on management’s current expectations, assumptions, hopes, beliefs, intentions and strategies regarding future events and are based on currently available information as to the outcome and timing of future events. Although we believe such expectations and assumptions to be reasonable, they are inherently uncertain and involve a number of risks and uncertainties that are beyond our control. In addition, management’s assumptions about future events may prove to be inaccurate. All readers are cautioned that the forward-looking statements contained in this Quarterly Report are not guarantees of future performance and we cannot assure any reader that such statements will be realized or that the forward-looking events and circumstances will occur.
    As a result of a number of known and unknown risks and uncertainties, our actual results or performance may be materially different from those expressed or implied by these forward-looking statements. Some factors that could cause actual results to differ include:
    •our ability to fund our future cash obligations and continue as a going concern;
    •our ability to access sources of capital to finance our operations and future capital requirements;
    •our ability to explore and execute on strategic transactions;
    •our financial and business performance, including risk of uncertainty in our financial projections and business metrics and any underlying assumptions thereunder;
    •our ability to implement changes to our business strategy and future operations;
    •changes in our financial position, estimated revenues and losses, projected costs, prospects and plans;
    •our ability to execute our business model, including market acceptance of our planned products and services;
    •changes in domestic and foreign business, market, financial, political, legal conditions and applicable laws and regulations;
    •our ability to grow market share in our existing markets or any new markets we may enter;
    •our ability to achieve and maintain profitability in the future;
    •our ability to maintain and enhance our products and brand, and to attract and retain customers;
    •our ability to find new partners for product and service offerings;
    •the success of our strategic relationships with third parties;
    •our ability to scale in a cost-effective manner;
    •developments and projections relating to our competitors and industry;
    •our ability to protect and commercialize our intellectual property;
    •the actions of our stockholders and the related impact on the price of our common stock;

    3

    Table of Contents
    •expectations regarding the time during which we will be an emerging growth company under the Jumpstart Our Business Startups Act of 2012, as amended;
    •our ability to find and retain critical employee talent and key personnel;
    •our ability to successfully manage changes in our executive team;
    •the possibility that we may be adversely impacted by other economic, business, and/or competitive factors;
    •future exchange and interest rates;
    •the outcome of any known and unknown litigation and regulatory proceedings; and
    •other risks and uncertainties, including those disclosed under “Item 1A. Risk Factors” contained in Part I of our Annual Report on Form 10-K for the year ended December 31, 2024, filed with the Securities and Exchange Commission (the “SEC”) on March 27, 2025 and the risk factors and other cautionary statements contained in other filings that have been made or will be made with the SEC by the Company.
    Given these risks and uncertainties, you should not place undue reliance on these forward-looking statements. Should one or more of the risks or uncertainties described in this Quarterly Report, or should underlying assumptions prove incorrect, actual results and plans could differ materially from those expressed in any forward-looking statements. Our SEC filings are available publicly on the SEC’s website at www.sec.gov.
    You should read this Quarterly Report with the understanding that our actual future results, levels of activity and performance as well as other events and circumstances may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements.

    4

    Table of Contents
    Part I - Financial Information
    Item 1. Financial Statements
    Heliogen, Inc.
    Consolidated Balance Sheets
    ($ in thousands, except share data)
    (Unaudited)
    March 31, 2025December 31, 2024
    ASSETS
    Cash and cash equivalents
    $30,064 $36,949 
    Short-term restricted cash— 500 
    Receivables, net
    179 764 
    Prepaid and other current assets
    1,160 865 
    Total current assets
    31,403 39,078 
    Operating lease right-of-use assets
    146 2,831 
    Property, plant and equipment, net
    137 315 
    Long-term restricted cash
    — 1,000 
    Other long-term assets
    998 1,066 
    Total assets
    $32,684 $44,290 
    LIABILITIES AND STOCKHOLDERS’ EQUITY
    Trade payables
    $1,170 $1,450 
    Accrued expenses and other current liabilities
    7,401 11,164 
    Total current liabilities
    8,571 12,614 
    Operating lease liabilities, non-current
    730 2,314 
    Other long-term liabilities
    354 344 
    Total liabilities
    9,655 15,272 
    Commitments and contingencies (Note 12)
    Stockholders’ equity
    Preferred stock, $0.0001 par value; 10,000,000 shares authorized and no shares outstanding as of March 31, 2025 and December 31, 2024
    — — 
    Common stock, $0.0001 par value; 500,000,000 shares authorized; 6,116,752 and 6,096,084 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively
    1 1 
    Additional paid-in capital
    435,556 435,159 
    Accumulated other comprehensive loss
    (538)(511)
    Accumulated deficit
    (411,990)(405,631)
    Total stockholders’ equity
    23,029 29,018 
    Total liabilities and stockholders’ equity
    $32,684 $44,290 
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

    5

    Table of Contents
    Heliogen, Inc.
    Consolidated Statements of Operations
    ($ in thousands, except per share and share data)
    (Unaudited)
    Three Months Ended
    March 31,
    20252024
    Revenue:
    Services revenue$— $954 
    Grant revenue— 574 
    Total revenue— 1,528 
    Cost of revenue:
    Cost of services revenue (including depreciation)— 903 
    Cost of grant revenue— 574 
    Total cost of revenue— 1,477 
    Gross profit— 51 
    Operating expenses:
    Selling, general and administrative4,638 12,355 
    Research and development1,088 3,791 
    Impairment and other charges1,155 32 
    Total operating expenses6,881 16,178 
    Operating loss(6,881)(16,127)
    Interest income300 683 
    Loss on warrant remeasurement(3)(24)
    Other income, net227 245 
    Net loss before taxes(6,357)(15,223)
    Provision for income taxes(2)(2)
    Net loss$(6,359)$(15,225)
    Loss per share:
    Loss per share – Basic and Diluted
    $(1.03)$(2.53)
    Weighted-average number of shares outstanding – Basic and Diluted
    6,170,087 6,020,992 
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

    6

    Table of Contents
    Heliogen, Inc.
    Consolidated Statements of Comprehensive Loss
    ($ in thousands)
    (Unaudited)
    Three Months Ended
    March 31,
    20252024
    Net loss$(6,359)$(15,225)
    Other comprehensive loss, net of taxes:
    Unrealized gains on available-for-sale securities— 1 
    Cumulative translation adjustment(27)(2)
    Total other comprehensive loss, net of taxes(27)(1)
    Comprehensive loss$(6,386)$(15,226)
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

    7

    Table of Contents
    Heliogen, Inc.
    Consolidated Statements of Stockholders’ Equity (Deficit)
    ($ in thousands, except share data)
    (Unaudited)
    Three Months Ended March 31, 2025
    Common Stock
    Additional Paid-in
    Capital
    Accumulated Other Comprehensive Loss
    Accumulated
    Deficit
    Total
    SharesAmount
    Balance as of December 31, 20246,096,084 $1 $435,159 $(511)$(405,631)$29,018 
    Net loss— — — — (6,359)(6,359)
    Other comprehensive loss— — — (27)— (27)
    Share-based compensation— — 406 — — 406 
    Vesting of restricted stock units31,205 — — — — — 
    Tax withholding related to vesting of restricted stock units(10,537)— (9)— — (9)
    Balance as of March 31, 20256,116,752 $1 $435,556 $(538)$(411,990)$23,029 

    Three Months Ended March 31, 2024
    Common Stock
    Additional Paid-in
    Capital
    Accumulated Other Comprehensive Loss
    Accumulated
    Deficit
    Total
    SharesAmount
    Balance as of December 31, 20235,946,315 $1 $430,678 $(516)$(438,178)$(8,015)
    Net loss— — — — (15,225)(15,225)
    Other comprehensive loss— — — (1)— (1)
    Share-based compensation— — 1,286 — — 1,286 
    Vesting of restricted stock units35,382 — — — — — 
    Tax withholding related to vesting of restricted stock units(11,324)— (17)— — (17)
    Vesting of warrants issued in connection with customer agreements— — 51 — — 51 
    Balance as of March 31, 20245,970,373 $1 $431,998 $(517)$(453,403)$(21,921)
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

    8

    Table of Contents
    Heliogen, Inc.
    Consolidated Statements of Cash Flows
    ($ in thousands)
    (Unaudited)
    Three Months Ended
    March 31,
    20252024
    CASH FLOWS FROM OPERATING ACTIVITIES:
    Net loss$(6,359)$(15,225)
    Adjustments to reconcile net loss to net cash used in operating activities:
    Depreciation and amortization
    24 446 
    Impairment charges861 — 
    Share-based compensation
    406 1,286 
    Change in fair value of warrants
    3 24 
    Deferred income taxes2 2 
    Non-cash operating lease expense330 458 
    Other non-cash operating activities
    (375)(119)
    Changes in assets and liabilities:
    Receivables, net
    529 (1,331)
    Inventories, net
    — 133 
    Prepaid and other current assets
    (307)(1,147)
    Trade payables and accrued liabilities(3,236)135 
    Contract liabilities
    — 1,308 
    Change in contract loss provisions, net— (824)
    Other non-current assets and liabilities(308)541 
    Net cash used in operating activities(8,430)(14,313)
    CASH FLOWS FROM INVESTING ACTIVITIES:
    Capital expenditures
    — (150)
    Proceeds from sale of property, plant and equipment54 — 
    Maturities of available-for-sale securities
    — 10,000 
    Net cash provided by investing activities54 9,850 
    CASH FLOWS FROM FINANCING ACTIVITIES:
    Payment related to taxes for net-share settlement of share-based compensation(9)(17)
    Net cash used in financing activities(9)(17)
    Decrease in cash, cash equivalents and restricted cash(8,385)(4,480)
    Cash, cash equivalents and restricted cash at the beginning of the period
    38,449 64,215 
    Cash, cash equivalents and restricted cash at the end of the period
    $30,064 $59,735 
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

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    Heliogen, Inc.
    Consolidated Statements of Cash Flows (continued)
    ($ in thousands)
    (Unaudited)
    Three Months Ended
    March 31,
    20252024
    Reconciliation of cash, cash equivalents and restricted cash:
    Cash and cash equivalents$30,064 $58,235 
    Short-term restricted cash— 500 
    Long-term restricted cash— 1,000 
    Total cash, cash equivalents and restricted cash
    $30,064 $59,735 
    Non-cash investing and financing activities:
    Fair value of Project Warrants recognized in equity
    $— $51 
    Capital expenditures incurred but not yet paid
    $— $65 
    The accompanying notes are an integral part of these unaudited consolidated financial statements.

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements

    Note 1—Organization and Basis of Presentation
    Background
    Heliogen, Inc. and its subsidiaries (collectively, “Heliogen” or the “Company”), is a renewable energy technology company focused on delivering round-the-clock, low-carbon energy production, using concentrated sunlight and thermal energy storage to deliver cost-effective, load-following, high-capacity factor thermal and electric energy. Unless otherwise indicated or the context requires otherwise, references in our unaudited consolidated financial statements to “we,” “us,” or “our” and similar expressions refer to Heliogen.
    Basis of Presentation
    The accompanying unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information. Accordingly, these unaudited consolidated financial statements do not include all information or notes required by GAAP for annual financial statements. In the opinion of management, the unaudited consolidated financial statements have been prepared on the same basis as the annual financial statements and include all adjustments, consisting of only normal recurring adjustments, necessary for fair statement.
    The results reported in these unaudited consolidated financial statements are not necessarily indicative of the results that may be reported for the entire year. These unaudited consolidated financial statements should be read in conjunction with the annual financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024 (our “Annual Report”), filed with the Securities and Exchange Commission on March 27, 2025.
    Certain immaterial prior period amounts, such as severance costs, have been reclassified to conform to current period presentation. These changes did not have a material impact on our financial position or results of operations.
    Liquidity and Going Concern
    These financial statements have been prepared assuming the Company will continue as a going concern. This basis of accounting contemplates continuity of operations, realization of assets and satisfaction of liabilities and commitments in the normal course of business. These financial statements do not include any adjustments that might be necessary should we be unable to continue as a going concern.
    As of March 31, 2025, the Company had liquidity of $30.1 million, consisting of cash and cash equivalents and no debt. During the three months ended March 31, 2025, the Company incurred a net loss of $6.4 million and used cash in operations of $8.4 million. The Company expects to continue to generate operating losses and have significant cash outflows from operating activities for at least the next few years. Based on these factors, the Company anticipates that it may not have sufficient resources to fund its cash obligations for the next 12 months after the issuance date of the unaudited consolidated financial statements, which raises substantial doubt about the Company’s ability to continue as a going concern. The Company has evaluated the conditions discussed above and is taking various steps in an effort, to alleviate them, including the following actions.
    In the second quarter of 2024, the Company made the strategic decision to implement a targeted plan, which included a workforce reduction, the closing of the Company’s manufacturing facility in Long Beach, California, (the “Manufacturing Facility”) and a reduction in third-party costs. In February 2025, we terminated the lease for the Manufacturing Facility. These actions were intended to further reduce structural costs and operating expenses and better align the Company’s operating structure for commercialization with a technology-centric business model, as the Company continued to explore and evaluate strategic alternatives with its third-party financial advisor.

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    In the fourth quarter of 2024, in an effort to conserve cash and in light of the shifting landscape following the United States (“U.S.”) presidential election, the Company made the decision to halt construction of the steam plant in Plains, Texas (the “Texas Steam Plant”) and close its research and development (“R&D”) facility in Lancaster, California. Furthermore, in December 2024, after completing value engineering for the next phase of the commercial-scale concentrated solar energy facility to be built in Mojave, California (the “Capella Project”), Heliogen and Woodside Energy USA Inc. (“Woodside”) decided not to pursue construction of the facility due to escalated costs.
    The Company is continuing to explore additional cost saving opportunities, while also engaging with a financial advisor to explore and evaluate strategic transactions, which could include, among other things, acquisitions, divestitures, a merger or sale and partnerships. No assurance can be given that any future strategic transactions will be completed on terms that are satisfactory to the Company.
    Use of Estimates
    The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the amounts reported in our unaudited consolidated financial statements and the accompanying notes. Despite our intention to establish accurate estimates and reasonable assumptions, actual results could differ materially from such estimates and assumptions.

    Note 2—Revenue
    Disaggregated Revenue
    The following table provides information about disaggregated revenue:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Project revenue$— $533 
    Engineering services revenue— 421 
    Total services revenue— 954 
    Grant revenue— 574 
    Total revenue$— $1,528 
    During the three months ended March 31, 2025, the Company did not recognize any revenue or cost of revenue, as it did not have any active revenue generating projects at the time. The Company continues to undergo a significant transition as it prioritizes commercial deployment of its energy solutions with a technology-centric business model.
    Services Revenue
    Project revenue recognized during the three months ended March 31, 2024 was associated with a commercial-scale demonstration agreement (“CSDA”) the Company entered into with Woodside in March 2022 for the Capella Project. In the fourth quarter of 2024, after completing value engineering for the next phase of the Capella Project, Heliogen and Woodside decided not to pursue construction of the facility due to escalated costs. Effective December 2024, the CSDA was terminated and the Capella Project was canceled. At that time the Company had no remaining performance obligations under the CSDA.
    Engineering services revenue recognized during the three months ended March 31, 2024 was associated with engineering studies and projects in the U.S. and Europe.

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Grant Revenue
    Grant revenue recognized during the three months ended March 31, 2024 was for costs incurred during the period to support the Capella Project that were reimbursable under an award received from the U.S. Department of Energy (the “DOE Award”). Effective December 2024, the Capella Project was canceled and as a result, the Company began the process to close out the DOE Award, which is still underway as of March 31, 2025.
    Contract Estimates
    No provision for contract losses was recognized during the three months ended March 31, 2024. We amortized $0.8 million during the three months ended March 31, 2024 of the previously recognized contract loss provisions as a reduction to cost of services revenue incurred during the periods based on percentages of completion.
    Performance Obligations
    Revenue recognized under contracts with customers, which excludes amounts to be received from government grants, relates solely to the performance obligations satisfied during the three months ended March 31, 2024 with no revenue recognized from performance obligations satisfied in prior periods. As of March 31, 2025, we had no outstanding performance obligations.
    Receivables
    Receivables consisted of the following:
    $ in thousandsMarch 31, 2025December 31, 2024
    Trade receivables$745 $737 
    Grant receivables:
    Billed— 151 
    Unbilled— 377 
    Total grant receivables— 528 
    Other receivables179 215 
    Total receivables
    924 1,480 
    Allowance for credit losses
    (745)(716)
    Total receivables, net
    $179 $764 
    Customer Concentrations
    The following table shows the customers, including governmental entities, who accounted for greater than 10% of our total revenue:
    Three Months Ended
    March 31,
    20252024
    Customer A
    — %57 %
    Customer B
    — %38 %
    The following table shows the customers, including governmental entities, who accounted for greater than 10% of our total receivables:
    March 31, 2025December 31, 2024
    Customer B— %69 %


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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Note 3—Warrants
    Public Warrants and Private Warrants
    The Company’s warrant liabilities as of March 31, 2025 include public warrants (the “Public Warrants”) and private placement warrants (the “Private Warrants,” and together with the Public Warrants, the “Public and Private Warrants”). The Public Warrants and Private Warrants permit warrant holders to purchase in the aggregate 238,095 shares and 6,667 shares, respectively, of the Company’s common stock at an exercise price of $402.50 per share. The Public and Private Warrants became exercisable on March 18, 2022 and expire on December 30, 2026, or earlier upon redemption or liquidation. The Public and Private Warrants are recorded as liabilities on the consolidated balance sheets and measured at fair value at each reporting date, with the change in fair value included in gain (loss) on warrant remeasurement on the consolidated statements of operations.
    The Company’s Public and Private Warrants are measured at fair value on a recurring basis summarized in the following table by fair value measurement level:
    $ in thousandsLevelMarch 31, 2025December 31, 2024
    Liabilities:
    Public Warrants (1)
    1$37 $34 
    Private Warrants (1)
    21 1 
    ________________
    (1)Included in other long-term liabilities on the consolidated balance sheets.
    Private Warrants. The fair value of the Private Warrants approximates the fair value of the Public Warrants due to the existence of similar redemption provisions. As a result, the Company has determined that the fair value of the Private Warrants at a specific date would be similar to that of the Public Warrants, and thus the fair value is determined by using the closing price of the Public Warrants, which was $0.004 as of March 31, 2025.
    Project Warrants
    In connection with the execution of the CSDA with Woodside in March 2022, the Company issued warrants permitting Woodside to purchase 26,068 shares of the Company’s common stock at an exercise price of $0.35 per share (the “Project Warrants”). The Project Warrants expire upon the earlier of a change of control of the Company or March 28, 2027 and vest pro rata with certain payments required to be made by Woodside under the CSDA. The fair value of the Project Warrants upon issuance was $173.60 per warrant based on the closing price of the Company’s common stock on March 28, 2022, less the exercise price. The Project Warrants are recorded as equity on the consolidated balance sheets.
    The Company recognizes additional paid-in capital related to the Project Warrants to reflect the attribution of the Project Warrants’ fair value in a manner similar to revenue recognized under the CSDA. In December 2024, the CSDA was terminated and as a result, vesting of the Project Warrants ceased. During the three months ended March 31, 2024, $0.1 million was recognized as additional paid-in capital related to the vesting of Project Warrants. As of March 31, 2025, vested Project Warrants were exercisable for 15,168 shares of the Company’s common stock.

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Collaboration Warrants
    In connection with the execution of a collaboration agreement (the “Collaboration Agreement”) with Woodside in March 2022, the Company issued warrants permitting Woodside to purchase 104,275 shares of the Company’s common stock at an exercise price of $0.35 per share (the “Collaboration Warrants”). Under the Collaboration Agreement, Woodside will assist us in defining product offerings that use our modular technology for potential customers. The Collaboration Warrants expire upon the earlier of a change of control of the Company or March 28, 2027. Of these warrants, (i) half of the warrants vested immediately upon execution of the Collaboration Agreement, to purchase 52,138 shares of the Company’s common stock and (ii) the remaining warrants will vest based on certain specified performance goals under the Collaboration Agreement. The fair value of the Collaboration Warrants upon issuance was $173.60 per warrant based on the closing price of the Company’s common stock on March 28, 2022, less the exercise price. The Collaboration Warrants are recorded as equity on the consolidated balance sheets.

    Note 4—Property, Plant and Equipment
    Major classes of property, plant and equipment, consisted of the following:
    $ in thousandsEstimated Useful Lives in YearsMarch 31, 2025December 31, 2024
    Leasehold improvements
    5 — 7
    $36 $36 
    Computer equipment
    2 — 3
    2,003 2,019 
    Machinery, vehicles and other equipment
    5 — 7
    185 504 
    Furniture and fixtures
    2
    174 321 
    Total property, plant and equipment
    2,398 2,880 
    Accumulated depreciation
    (2,261)(2,565)
    Total property, plant and equipment, net
    $137 $315 
    Depreciation expense for property, plant and equipment was $24 thousand and $0.4 million for the three months ended March 31, 2025 and 2024, respectively, and is recorded in selling, general and administrative (“SG&A”) expense with a portion allocated to cost of services revenue.
    Asset Sales
    During the second quarter of 2024, we began to sell assets, which were primarily located at our Manufacturing Facility as a result of the decision to close the facility. During the three months ended March 31, 2025, we received $54 thousand in proceeds from the sale of property, plant and equipment and recognized a loss of $0.1 million from disposal of assets, which is recorded in SG&A expense.

    Note 5—Accrued Expenses and Other Current Liabilities
    Accrued expenses and other current liabilities consisted of the following:
    $ in thousandsMarch 31, 2025December 31, 2024
    Payroll and other employee benefits
    $506 $1,431 
    Professional fees
    477 1,116 
    Research, development and project costs
    5,053 5,616 
    Operating lease liabilities, current portion
    974 2,550 
    Other accrued expenses
    391 451 
    Total accrued expenses and other current liabilities
    $7,401 $11,164 

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements

    Note 6—Leases
    The Company has operating leases, primarily for real estate. There are no material residual value guarantees associated with any of the Company’s operating leases.
    Pasadena, California. On May 23, 2021, we executed a seven-year lease for office space in Pasadena, California (the “Pasadena Office Lease”). The Pasadena Office Lease includes an early termination option at no cost, which we intend to exercise on May 31, 2026. During the three months ended March 31, 2025, we performed an impairment assessment of our Pasadena Office Lease due to continued workforce reductions and a decline in the market for subleases as the lease termination nears. We determined that the carrying value of the Pasadena Office Lease exceeded the fair value of the respective remaining lease term and recorded a right-of-use asset impairment of $0.9 million, which is included in impairment and other charges on our consolidated statements of operations.
    Long Beach, California. Effective July 27, 2021, we executed a lease for manufacturing space in Long Beach, California (the “Long Beach Lease”) for five years. As security for the Company’s faithful performance of its obligations under the Long Beach Lease, a commercial bank issued an unconditional and irrevocable $1.5 million standby letter of credit payable to the lessor. Effective February 18, 2025, we executed a lease termination agreement for the Long Beach Lease, which resulted in a one-time termination fee of $0.8 million. In connection with the lease termination, the Company removed the remaining $1.5 million right-of-use asset and $2.8 million operating lease liabilities for the Long Beach Lease, and recognized a gain on termination of lease of $0.5 million. Further, pursuant to the terms of the lease termination, the cash collateralized $1.5 million standby letter of credit was released to the Company in March 2025.
    The following table provides information on the amounts of our right-of-use assets and liabilities included on our consolidated balances sheets:
    $ in thousandsFinancial Statement LineMarch 31, 2025December 31, 2024
    Operating lease right-of-use assets
    Operating lease right-of-use assets
    $146 $2,831 
    Operating lease liabilities, current
    Accrued expenses and other current liabilities974 2,550 
    Operating lease liabilities, non-current
    Operating lease liabilities, non-current
    730 2,314 
    The weighted-average remaining lease terms and discount rates for the Company’s operating leases were as follows:
    March 31, 2025December 31, 2024
    Weighted-average remaining lease term (years)
    3.52.5
    Weighted-average discount rate10.5 %8.4 %
    The following table summarizes the supplemental cash flow information related to leases:
    Three Months Ended
    March 31,
    $ in thousands
    20252024
    Cash paid for amounts included in the measurement of operating lease liabilities
    $441 $690 
    Right-of-use assets obtained in exchange for new operating lease liabilities
    — 132 
    Right-of-use assets removed upon lease termination
    1,494 — 

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    As of March 31, 2025, the maturities of our future undiscounted cash flows associated with our operating lease liabilities were as follows:
    $ in thousands
    2025 (remaining months)$803 
    2026603 
    2027109 
    2030111 
    2031112 
    Thereafter
    437 
    Total future lease payments$2,175 
    Less: Imputed interest
    (471)
    Present value of future lease payments$1,704 

    Note 7—Equity
    Stockholders Rights Plan
    On April 16, 2025, the Company entered into Amendment No. 3 to the Rights Agreement, dated as of April 16, 2023, by and between the Company and Continental Stock Transfer & Trust Company, as rights agent (as amended by that certain Amendment No. 1, dated as of April 16, 2024, and by that certain Amendment No. 2 dated as of December 17, 2024, the “Rights Agreement”) to extend the expiration date of the Rights Agreement until April 17, 2026, unless the Rights (as defined below) are earlier redeemed or exchanged by the Company. Under the Rights Agreement, the Company’s Board of Directors (the “Board”) declared a dividend of one preferred share purchase right (“Right”) for each outstanding share of the Company’s common stock to the stockholders of record as of the close of business on April 28, 2023, and adopted a limited duration stockholder rights plan. The Rights will be exercisable only if a person or group (an “acquiring person”) acquires or launches a tender or exchange offer to acquire beneficial ownership (which includes certain synthetic equity interests) of 12.5% or more of the Company’s outstanding common stock (20% for certain passive institutional investors as described in the Rights Agreement) without the approval of the Board. Once the Rights become exercisable, each Right will entitle its holder (other than the acquiring person, whose rights will become void) to purchase for $26.40, subject to adjustment, additional shares of our common stock having a market value of twice such exercise price. In addition, the Rights Agreement has customary flip-over and exchange features.
    Amendment No. 1 to the Rights Agreement, amended the definition of “acquiring person” to reflect the terms and conditions of the limited waiver previously granted by us to Nant Capital, LLC and certain of its affiliates, as previously disclosed on the Company’s Current Report on Form 8-K dated February 15, 2024.
    The Rights Agreement will reduce the likelihood that any entity, person or group gains control of Heliogen through open market accumulation without paying all stockholders an appropriate control premium or without providing our Board sufficient time to make informed judgments and take actions that are in the best interests of all stockholders.


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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Note 8—Earnings (Loss) per Share
    The calculation of basic and diluted earnings (loss) per share (“EPS”) were as follows:
    Three Months Ended
    March 31,
    $ in thousands, except share and per share data20252024
    Numerator:
    Net loss$(6,359)$(15,225)
    Denominator:
    Weighted-average common shares outstanding6,099,299 5,952,672 
    Weighted-average impact of warrants (1)
    70,788 68,320 
    Denominator for basic EPS – weighted-average shares
    6,170,087 6,020,992 
    Effect of dilutive securities
    — — 
    Denominator for diluted EPS – weighted-average shares
    6,170,087 6,020,992 
    EPS – Basic and Diluted
    $(1.03)$(2.53)
    ________________
    (1)Warrants that have a $0.35 exercise price per common share are assumed to be exercised when vested because common shares issued for little consideration upon exercise are included in outstanding shares for the purposes of computing basic and diluted EPS.
    The following securities were excluded from the calculation of EPS as their impact would be anti-dilutive:
    Three Months Ended
    March 31,
    20252024
    Stock options136,351 184,254 
    Shares issuable under the employee stock purchase plan11,225 10,149 
    Unvested restricted stock units362,591 278,242 
    Unvested warrants63,037 64,530 
    Vested warrants244,762 244,762 

    Note 9—Share-based Compensation
    The Heliogen, Inc. 2021 Equity Incentive Plan aims to incentivize employees, directors and consultants who render services to the Company through the granting of stock awards, including stock options, stock appreciation right awards, restricted stock awards, restricted stock unit (“RSU”) awards, performance awards, and other stock-based awards.
    The following table summarizes our share-based compensation expense by the affected line on our consolidated statements of operations:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Cost of services revenue$— $47 
    Selling, general and administrative
    459 878 
    Research and development
    (53)361 
    Total share-based compensation expense
    $406 $1,286 

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    The following table summarizes our share-based compensation expense by grant type:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Stock options$68 $129 
    Restricted stock units
    335 1,148 
    Employee stock purchase plan3 9 
    Total share-based compensation expense
    $406 $1,286 
    Stock Options
    The following table summarizes the Company’s stock option activity:
    $ in thousands, except share and per share dataNumber of SharesWeighted Average Exercise Price ($)Weighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value ($)
    Outstanding balance as of December 31, 2024
    162,927 $9.64 3.95$— 
    Forfeited(432)67.16 
    Expired(26,144)6.30 
    Outstanding balance as of March 31, 2025
    136,351 $10.10 3.91$— 
    Exercisable as of March 31, 2025
    136,254 $10.05 3.91$— 
    Restricted Stock Units
    The following table summarizes the Company’s RSU award activity:
    Number of SharesWeighted Average Grant Date Fair Value ($)
    Unvested as of December 31, 2024
    458,495 $11.97 
    Vested(31,205)30.77 
    Forfeited(64,699)9.45 
    Unvested as of March 31, 2025
    362,591 $10.80 
    As of March 31, 2025, the unrecognized compensation cost related to unvested RSU awards was $1.9 million which is expected to be recognized over a weighted-average period of 1.8 years.

    Note 10—Impairment and Other Charges
    Impairment and other charges consisted of the following:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Operating lease right-of-use asset
    $861 $— 
    Manufacturing Facility closing costs112 — 
    Severance costs182 32 
    Total impairment and other charges
    $1,155 $32 

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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Right-of-Use Asset Impairment
    During the three months ended March 31, 2025, we recorded a right-of-use asset impairment of $0.9 million associated with the Pasadena Office Lease. Refer to Note 6—Leases—Pasadena, California for additional information.
    Manufacturing Facility Closure
    In May 2024, the Company made the strategic decision to implement a targeted plan, which included a workforce reduction, the closing of its Manufacturing Facility and a reduction in third-party costs. These actions were intended to further reduce structural costs and operating expenses and better align the Company’s operating structure for commercialization with a technology-centric business model. Costs and charges related to the implementation of the Company’s targeted plan, were accrued when probable and reasonably estimable or at the time of program announcement.
    During the three months ended March 31, 2025, the Company incurred $0.1 million of costs associated with the lease termination in connection to the targeted plan, bringing the total impairment and other charges incurred since May 2024 to $5.2 million. Refer to Part II, Item 8, Note 13—Impairments and Other Charges—Manufacturing Facility Closure in our Annual Report for additional information about the impairment and other charges recorded during the year ended December 31, 2024.
    As of December 31, 2024, the Company had a liability of $0.3 million associated with closing the Manufacturing Facility, which was included in accrued expenses and other current liabilities on our consolidated balance sheets and was fully paid on the effective date of the Long Beach Lease termination in February 2025.
    Reorganization Costs
    During the three months ended March 31, 2025 and 2024, we recorded severance costs of $0.2 million and $32 thousand, respectively, related to employee severance and related benefits. As of March 31, 2025, we had $0.3 million accrued for employee severance and related benefits, which is included in accrued expenses and other current liabilities on our consolidated balance sheets.

    Note 11—Income Taxes
    We calculate our quarterly tax provision pursuant to the guidelines in Accounting Standards Codification (“ASC”) 740, Income Taxes. ASC 740 requires companies to estimate the annual effective tax rate for current year ordinary income. The estimated annual effective tax rate represents the Company’s estimate of the tax provision in relation to the best estimate of pre-tax ordinary income or loss. The estimated annual effective tax rate is then applied to year-to-date ordinary income or loss to calculate the year-to-date interim tax provision. The relationship between our income tax provision or benefit and our pre-tax book income or loss can vary significantly from period to period considering, among other factors, the overall level of pre-tax book income or loss and changes in the blend of jurisdictional income or loss that is taxed at different rates and changes in valuation allowances. The income tax provision was $2 thousand and $2 thousand for the three months ended March 31, 2025 and 2024, respectively. Any income tax benefit associated with the pre-tax loss for the three months ended March 31, 2025 and 2024, resulting primarily from the U.S. jurisdiction, is offset by a full valuation allowance.
    The Company is under audit by the Internal Revenue Services for the year ended December 31, 2022. We believe that we have made adequate provision for all income tax uncertainties.


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    Heliogen, Inc.
    Notes to the Unaudited Consolidated Financial Statements
    Note 12—Commitments and Contingencies
    From time to time, we are involved in various claims and lawsuits arising in the normal course of business, including proceedings involving tort and other general liability claims and other miscellaneous claims. We recognize a liability when we believe the loss is probable and reasonably estimable. We currently believe that the ultimate outcome of such lawsuits and proceedings will not, individually or in the aggregate, have a material effect on our unaudited consolidated financial statements as of and for the three months ended March 31, 2025.

    Note 13—Segment Reporting
    We manage our business on a consolidated basis and operate as one operating segment, which includes all activities related to our concentrated solar energy technology and thermal energy storage. Our chief operating decision maker (“CODM”) is our chief executive officer. The CODM reviews consolidated operating expenses, as presented on our consolidated statements of operations, to measure segment profit or loss, alongside with cash and cash equivalents, as presented on our consolidated balance sheets. In addition to the significant expense categories presented on our consolidated statements of operations, the CODM reviews the SG&A and R&D expenses on a more disaggregated level.
    The CODM uses these financial metrics to allocate resources on a consolidated basis, which enables the CODM to assess both the overall level of resources available and optimize distribution of resources across functions and R&D programs in line with our long-term strategic goals. The CODM does not evaluate our operating segment using total assets information.
    The following table provides information about disaggregated SG&A expenses:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Employee compensation, excluding share-based compensation$2,247 $4,211 
    Share-based compensation459 878 
    Other selling, general and administrative (1)
    1,932 7,266 
    Total selling, general and administrative$4,638 $12,355 
    ________________
    (1)Other SG&A expense primarily consists of professional and consulting fees, facilities and other related costs and other administrative expenses.
    The following table provides information about disaggregated R&D expenses:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Employee compensation, excluding share-based compensation$797 $2,493 
    Share-based compensation(53)361 
    Other research and development (1)
    344 937 
    Total research and development$1,088 $3,791 
    ________________
    (1)Other R&D expense primarily consists of direct R&D costs, prototyping and testing expenses.

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    Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
    The following management’s discussion and analysis (“MD&A”) provides information that management believes is relevant to an assessment and understanding of our consolidated results of operations and financial condition. The following discussion includes forward-looking statements that involve risks, uncertainties and assumptions, including those described in “Cautionary Note Regarding Forward-Looking Statements” included in the fore-part in this Quarterly Report on Form 10-Q (our “Quarterly Report”) and included in Part I, Item 1A. Risk Factors in our Annual Report on Form 10-K for the year ended December 31, 2024 (our “Annual Report”), as filed with the Securities and Exchange Commission on March 27, 2025.
    The following MD&A should be read in conjunction with our unaudited consolidated financial statements and related notes included in Part I Item 1 in this Quarterly Report and our audited consolidated financial statements as of December 31, 2024, included in our Annual Report.
    Overview
    Heliogen, Inc. and its subsidiaries (collectively, “Heliogen,” the “Company,” “we,” “us,” or “our”) is a renewable energy technology company focused on delivering round-the-clock, low-carbon energy production, using concentrated sunlight and thermal energy storage to deliver cost-effective, load-following, high-capacity factor thermal and electric energy.
    We are undergoing a significant transition to align our operating structure with a technology-centric business model, as we prioritize the commercial deployment of our energy solutions by focusing on the development and implementation of our enhanced concentrated solar energy technology and thermal energy storage. We also offer engineering, research and development (“R&D”), maintenance and project development support to third parties seeking reliable, low-carbon energy and storage solutions.
    Results of Operations
    We have historically incurred operating losses as we are in the early stages of commercializing our technology and investing in the R&D and infrastructure necessary to achieve our goals. However, we remain focused on achieving sufficient scale and efficiency improvements through technological progress and additional learning to ultimately achieve profitability.
    Certain Factors Affecting our Financial Results
    Capella Project. In March 2022, we entered into a commercial-scale demonstration agreement (“CSDA”) to engineer and construct a 5 MW commercial-scale concentrated solar energy facility (the “Capella Project”) with Woodside Energy USA Inc. (“Woodside”) in Mojave, California and received an award from the United States Department of Energy (the “DOE Award”) to support the Capella Project.
    In the fourth quarter of 2023, we adjusted the Capella Project estimate after completing the front-end engineering and design phase and in January 2024, we executed a change order to the CSDA with Woodside that extended the expected completion date for the Capella Project in order to provide us more time for value engineering to explore additional cost saving and funding opportunities.
    In the fourth quarter of 2024, after completing value engineering for the next phase of the Capella Project, Heliogen and Woodside decided not to pursue construction of the facility due to escalated costs. Effective December 2024, we received notice of termination of the CSDA from Woodside and the Capella Project was canceled. As a result of the cancellation of the Capella Project, we began the process to close out the DOE Award, which is still underway as of March 31, 2025. As a result, our financial statements reflect no revenue or costs of revenue during the three months ended March 31, 2025 as compared to the same period in 2024.
    Manufacturing Facility Closure. In May 2024, we implemented a targeted plan, which included a workforce reduction, the closing of our manufacturing facility in Long Beach, California, (the “Manufacturing Facility”) and a reduction in third-party costs. In February 2025, we terminated the lease for the Manufacturing Facility. As a result, our financial statements reflect reductions in facility costs and operating expenses during the three months ended March 31, 2025 as compared to the same period in 2024.

    22

    Table of Contents
    During the three months ended March 31, 2025, the Company incurred $0.1 million of costs associated with the lease termination in connection to the targeted plan, bringing the total impairment and other charges incurred since May 2024 to $5.2 million, which consisted of $1.2 million of costs associated with closing our Manufacturing Facility, including a right-of-use asset impairment and other related costs, $3.4 million of other asset impairment charges and $0.6 million of employee transition, severance payments and related benefits.
    R&D Facility. In the fourth quarter of 2024, we closed our R&D facility in Lancaster, California. As a result, our financial statements reflect a reduction in R&D expenses during the three months ended March 31, 2025 as compared to the same period in 2024.
    Texas Steam Plant. In October 2023, we executed a land lease in Plains, Texas and initiated construction on a Heliogen steam plant in the Permian Basin (the “Texas Steam Plant”). During the year ended December 31, 2024, we made progress toward mechanical completion, however, in the fourth quarter, we made the decision to halt construction of the Texas Steam Plant. As a result, our financial statements reflect a reduction in R&D expenses during the three months ended March 31, 2025 as compared to the same period in 2024.
    Comparison of the Three Months Ended March 31, 2025 and 2024
    Three Months Ended
    March 31,
    $ in thousands20252024$ Change% Change
    Revenue:
    Services revenue$— $954 $(954)(100)%
    Grant revenue— 574 (574)(100)%
    Total revenue— 1,528 (1,528)
    Cost of revenue:
    Cost of services revenue (including depreciation)— 903 (903)(100)%
    Cost of grant revenue— 574 (574)(100)%
    Gross profit— 51 (51)
    Operating expenses:
    Selling, general and administrative4,638 12,355 (7,717)(62)%
    Research and development1,088 3,791 (2,703)(71)%
    Impairment and other charges1,155 32 1,123 3,509 %
    Operating loss(6,881)(16,127)9,246 
    Interest income300 683 (383)(56)%
    Loss on warrant remeasurement(3)(24)21 (88)%
    Other income, net227 245 (18)(7)%
    Net loss before taxes(6,357)(15,223)8,866 
    Provision for income taxes(2)(2)— — %
    Net loss$(6,359)$(15,225)$8,866 
    Revenue and Gross Profit
    During the three months ended March 31, 2025, we did not recognize any revenue or cost of revenue, as we did not have any active revenue generating projects at the time. We are continuing to undergo a significant transition as we prioritize commercial deployment of our energy solutions with a technology-centric business model.

    23

    Table of Contents
    During the three months ended March 31, 2024, we recognized services revenue of $1.0 million, which consisted of $0.5 million of project revenue associated with the Capella Project and $0.4 million of revenue for engineering services performed during the period. During the three months ended March 31, 2024, we recognized grant revenue of $0.6 million for costs incurred during the period to support the Capella Project that were reimbursable under the DOE Award.
    Selling, General and Administrative
    The following table summarizes selling, general and administrative (“SG&A”) expenses:
    Three Months Ended
    March 31,
    $ in thousands20252024$ Change
    Employee compensation, excluding share-based compensation$2,247 $4,211 $(1,964)
    Share-based compensation459 878 (419)
    Other selling, general and administrative1,932 7,266 (5,334)
    Total selling, general and administrative$4,638 $12,355 $(7,717)
    During the three months ended March 31, 2025, we recognized SG&A expense of $4.6 million, a decrease of $7.7 million compared to SG&A expense of $12.4 million for the three months ended March 31, 2024. The decrease was primarily driven by a decrease of $5.3 million in other SG&A expense primarily driven by a decrease in professional and consulting fees, facility costs and other discretionary spending as we focused on reducing third-party costs. Additionally, there was a decrease of $2.0 million in employee compensation primarily due to workforce reductions and a decrease of $0.4 million in share-based compensation expense due to forfeitures.
    Research and Development
    The following table summarizes R&D expenses:
    Three Months Ended
    March 31,
    $ in thousands20252024$ Change
    Employee compensation, excluding share-based compensation$797 $2,493 $(1,696)
    Share-based compensation(53)361 (414)
    Other research and development344 937 (593)
    Total research and development$1,088 $3,791 $(2,703)
    During the three months ended March 31, 2025, we recognized R&D expense of $1.1 million, a decrease of $2.7 million compared to R&D expense of $3.8 million for the three months ended March 31, 2024. The decrease was primarily driven by a decrease of $1.7 million in employee compensation primarily due to workforce reductions, a decrease of $0.6 million in other R&D expense as we focused spending on strategic R&D projects and a decrease of $0.4 million in share-based compensation expense due to forfeitures.
    Impairment and Other Charges
    During the three months ended March 31, 2025, we recognized impairment and other charges of $1.2 million, consisting of a right-of-use asset impairment of $0.9 million associated with the office lease in Pasadena, California, $0.2 million of employee severance and related benefits and $0.1 million of costs associated with closing our Manufacturing Facility.
    During the three months ended March 31, 2024, we recognized impairment and other charges of $32 thousand for employee severance and related benefits.

    24

    Table of Contents
    Interest Income
    During the three months ended March 31, 2025, we recognized interest income of $0.3 million, a decrease of $0.4 million compared to interest income of $0.7 million for the three months ended March 31, 2024. The decrease is primarily attributable to a decrease in our cash equivalent balances held in high interest yield accounts.
    Liquidity and Capital Resources
    Our principal sources of liquidity are cash and cash equivalents, which are short-term in duration and highly liquid, and cash receipts from customers and government grants. Our principal uses of cash are expenditures related to project development and completion, as well as R&D and SG&A expenditures in support of our technology development and operational support. As of March 31, 2025 and April 30, 2025, the Company had liquidity of $30.1 million and $28.4 million, respectively, consisting of cash and cash equivalents and no debt.
    Going Concern
    The accompanying financial statements have been prepared assuming we will continue as a going concern. As of March 31, 2025, our liquidity was $30.1 million and we had an accumulated deficit of $412.0 million. During the three months ended March 31, 2025, we incurred a net loss of $6.4 million and used cash in operations of $8.4 million. We expect to continue to generate operating losses and have significant cash outflows from operating activities for at least the next few years. Based on our liquidity position as of March 31, 2025 and our current forecast of operating results and cash flows, we anticipate that we may not have sufficient resources to fund our cash obligations for the next 12 months after the issuance date of this Quarterly Report. These factors raise substantial doubt about our ability to continue as a going concern. We have evaluated the conditions discussed above and we are taking various steps in an effort, to alleviate them, including the following actions.
    In the second quarter of 2024, we made the strategic decision to implement a targeted plan, which included a workforce reduction, the closing of our Manufacturing Facility, and a reduction in third-party costs. In February 2025, we terminated the lease for the Manufacturing Facility. These actions were intended to further reduce structural costs and operating expenses and better align our operating structure for commercialization with a technology-centric business model.
    In the fourth quarter of 2024, in an effort to conserve cash and in light of the shifting landscape following the United States presidential election, we made the decision to halt construction of our Texas Steam Plant and close our R&D facility. Furthermore, in December 2024, after completing value engineering for the next phase of the Capella Project, Heliogen and Woodside decided not to pursue construction of the facility due to escalated costs.
    We plan to continue to explore cost saving opportunities, while also engaging with a financial advisor to explore and evaluate strategic transactions, which could include, among other things, acquisitions, divestitures, a merger or sale and partnerships.
    No assurance can be given that any future strategic transactions will be completed on terms that are satisfactory to us, if at all. If we are unable to effectively implement any of our plans, we may be forced to delay, reduce or eliminate more of our commercialization efforts, product expansion or R&D programs and our business, financial condition and results of operations could be materially and adversely affected. Assuming no additional funding and based on our current operating and development plans, we expect that existing liquidity as of the date of this filing will be sufficient to fund currently anticipated operating expenses into the second quarter of 2026.

    25

    Table of Contents
    Summary of Cash Flows
    The following table provides a summary of our cash flows:
    Three Months Ended
    March 31,
    $ in thousands20252024
    Net cash used in operating activities$(8,430)$(14,313)
    Net cash provided by investing activities54 9,850 
    Net cash used in financing activities(9)(17)
    Net Cash from Operating Activities. Net cash used in operating activities was $8.4 million for the three months ended March 31, 2025 compared to net cash used in operating activities of $14.3 million for the three months ended March 31, 2024. The $5.9 million decrease in the net cash used in operating activities was primarily driven by reductions in headcount and discretionary spending as we focused on cost saving opportunities.
    Net Cash from Investing Activities. Net cash provided by investing activities was $54 thousand for the three months ended March 31, 2025 compared to net cash provided by investing activities of $9.9 million for the three months ended March 31, 2024. For the three months ended March 31, 2025, we received proceeds from the sale of property, plant and equipment of $54 thousand. For the three months ended March 31, 2024, we received proceeds from the maturities of available-for-sale securities of $10.0 million, partially offset by capital expenditures of $0.2 million.
    Net Cash from Financing Activities. Net cash used in financing activities was $9 thousand and $17 thousand for the three months ended March 31, 2025 and 2024, respectively, related to taxes for net-share settlement of share-based compensation.
    Cash Requirements
    Our material cash requirements from known contractual and other obligations consist of our long-term operating leases, which are primarily for real estate. Refer to Note 6—Leases for additional information regarding maturity analysis of our operating leases.
    Critical Accounting Estimates
    There have been no material changes to our discussion of critical accounting estimates from those set forth in our Annual Report.

    Item 3. Quantitative and Qualitative Disclosures About Market Risk
    We are a smaller reporting company as defined by Item 10 of Regulation S-K and are not required to provide the information otherwise required under this item.

    Item 4. Controls and Procedures
    Evaluation of Disclosure Controls and Procedures
    Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated, as of the end of the period covered by this Quarterly Report, the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Based on that evaluation, and as a result of the material weaknesses in our internal control over financial reporting described in our Annual Report, our Chief Executive Officer and Chief Financial Officer concluded that, as of March 31, 2025, our disclosure controls and procedures were not effective.

    26

    Table of Contents
    Changes in Internal Control over Financial Reporting
    Other than executing upon the implementation of the remediation measures described in our Annual Report and the associated changes to our internal control over financial reporting, there were no changes in our internal control over financial reporting that occurred during the quarter ended March 31, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

    27

    Table of Contents
    Part II - Other Information
    Item 1. Legal Proceedings
    Information relating to various commitments and contingencies is described in Note 12—Commitments and Contingencies to our unaudited consolidated financial statements in Part I, Item 1 of this Quarterly Report.

    Item 1A. Risk Factors
    There are no material changes from the risk factors previously disclosed in Part I, Item 1A. Risk Factors in our Annual Report.

    Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
    None.

    Item 3. Defaults Upon Senior Securities
    None.

    Item 4. Mine Safety Disclosures
    None.

    Item 5. Other Information
    Trading Arrangements
    During the three months ended March 31, 2025, none of the Company’s directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.

    28

    Table of Contents
    Item 6. Exhibits
    Exhibit NumberDescriptionIncorporated by Reference
    FormFile No.ExhibitFiling Date
    3.1
    Second Amended and Restated Certificate of Incorporation of Heliogen, Inc.
    8-K001-402093.1January 6, 2022
    3.2
    Certificate of Amendment of Certificate of Incorporation of Heliogen, Inc., dated August 31, 2023.
    8-K001-402093.1August 31, 2023
    3.3
    Second Amended and Restated Bylaws of Heliogen, Inc.
    10-Q001-402093.2November 8, 2022
    3.4
    Certificate of Designations of Series A Junior Participating Preferred Stock of Heliogen, Inc.
    8-K001-402093.1April 17, 2023
    4.1
    Rights Agreement, dated as of April 16, 2023, between Heliogen, Inc. and Continental Stock Transfer & Trust Company, as rights agent.
    8-K001-402094.1April 17, 2023
    4.2
    Amendment No. 1, dated as of April 16, 2024, to Rights Agreement, dated as of April 16, 2023, by and between Heliogen, Inc. and Continental Stock Transfer & Trust Company, as rights agent.
    8-K001-402094.1April 16, 2024
    4.3
    Amendment No. 2, dated as of December 17, 2024, to Rights Agreement, dated as of April 16, 2023, by and between Heliogen, Inc. and Continental Stock Transfer & Trust Company, as rights agent.
    8-K
    001-402094.1December 17, 2024
    4.4
    Amendment No. 3, dated as of April 15, 2025, to Rights Agreement, dated as of April 16, 2023, by and between Heliogen, Inc. and Continental Stock Transfer & Trust Company, as rights agent.
    8-K
    001-402094.1April 15, 2025
    31.1*
    Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    31.2*
    Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
    32.1**
    Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
    32.2**
    Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
    101
    The following information from our Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, formatted in iXBRL (inline eXtensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Operations, (iii) Consolidated Statements of Comprehensive Loss, (iv) Consolidated Statements of Stockholders' Equity, (v) Consolidated Statements of Cash Flows, and (vi) the Notes to Unaudited Consolidated Financial Statements.
    104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).
    ________________
    *    Filed herewith.
    **    Furnished herewith.
    29

    Table of Contents
    SIGNATURES
    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on May 7, 2025.

    Heliogen, Inc.
    By:/s/ Christiana Obiaya
    Christiana Obiaya
    Chief Executive Officer
    (Principal Executive Officer)
    By:
    /s/ Phelps Morris
    Phelps Morris
    Chief Financial Officer
    (Principal Financial Officer)
    .

    30
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      $EOSE
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      Industrial Machinery/Components
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      Electric Utilities: Central
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      $HLGN
      Electric Utilities: Central
      Utilities