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AltEnergy Acquisition Corp

For the period ended Dec 31, 2025. Filed Mar 18, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 18, 2026

AEAE$12.010.0%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 15. Exhibits, Financial Statement Schedules

  1. Financial Statements: See “Index to Financial Statements” at “Item 8. Financial Statements and Supplementary Data” herein.
(b)Financial Statement Schedules. All schedules are omitted for the reason that the information is included in the financial statements or the notes thereto or that they are not required or are not applicable.
(c)Exhibits: The exhibits listed in the Exhibit Index below are filed or incorporated by reference as part of this Annual Report on Form 10-K.
ExhibitNumberDescription
2.2Amended and Restated Agreement and Plan of Merger, dated as of February 14, 2025, by and among the Company, Car Tech Merger Sub, LLC, Car Tech Merger Sub II, LLC and Car Tech, LLC (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on February 14, 2025)
3.1Amended and Restated Certificate of Incorporation together with the First Amendment to the Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-40984), filed with the Securities and Exchange Commission on May 23, 2023).
3.2Bylaws (incorporated by reference to Exhibit 3.2 to the Company’s Registration Statement on Form S-1 (File No. 333-258594), filed with the Securities and Exchange Commission on October 7, 2021).
4.1Specimen Unit Certificate (incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-1 (File No. 333-258594), filed with the Securities and Exchange Commission on October 7, 2021).
4.2Specimen Class A Common Stock Certificate (incorporated by reference to Exhibit 4.2 to the Company’s Registration Statement on Form S-1 (File No. 333-258594), filed with the Securities and Exchange Commission on October 7, 2021).
4.3Specimen Warrant Certificate (incorporated by reference to Exhibit 4.3 to the Company’s Registration Statement on Form S-1 (File No. 333-258594), filed with the Securities and Exchange Commission on October 7, 2021).
4.4Warrant Agreement, dated October 28, 2021, between the Company and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.1Letter Agreement, dated October 28, 2021, among the Company, AltEnergy Acquisition Sponsor, LLC and B. Riley Securities, Inc. (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.2Registration Rights Agreement, dated October 28, 2021, among the Company, AltEnergy Acquisition Sponsor and B. Riley Principal Investments, LLC. (incorporated by reference to Exhibit 10.5 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.3Administrative Services Agreement, dated October 28, 2021, between the Company and AltEnergy, LLC (incorporated by reference to Exhibit 10.6 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.4Private Placement Warrant Subscription Agreement, dated October 28, 2021, among the Company, AltEnergy Acquisition Sponsor and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.5Private Placement Warrant Subscription Agreement, dated October 28, 2021, among the Company, B. Riley Principal Investments, LLC and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K (File No. 001-40984, filed with the Securities and Exchange Commission on November 8, 2021).
10.6Form of Indemnity Agreement (incorporated by reference to Exhibit 10.7 to the Company’s Registration Statement on Form S-1 (File No. 333-258594) , filed with the Securities and Exchange Commission on October 7, 2021).
10.7Consulting Agreement, dated April 12, 2021, by and between the Registrant and Jonathan R. Darnell (incorporated by reference to Exhibit 10.10 to the Company’s Registration Statement on Form S-1 (File No. 333-258594), filed with the Securities and Exchange Commission on October 7, 2021).
10.8Amendment to Administrative Services Agreement, dated January 28, 2023, between the Company and AltEnergy, LLC (incorporated by reference to Exhibit 10.9 to the Company’s Annual Report on Form 10K filed with the Securities and Exchange Commission on April 11, 2023).
ExhibitNumberDescription
10.9Amendment to Consulting Agreement, dated April 1, 2022, by and between the Registrant and Jonathan R. Darnell (incorporated by reference to Exhibit 10.10 to the Company’s Annual Report on Form 10K filed with the Securities and Exchange Commission on April 11, 2023).
10.10Amendment to Consulting Agreement, dated January 1, 2023, by and between the Registrant and Jonathan R. Darnell (incorporated by reference to Exhibit 10.11 to the Company’s Annual Report on Form 10K filed with the Securities and Exchange Commission on April 11, 2023).
10.11Form of Non-Redemption Agreement (incorporated by Reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 4, 2023).
10.12Investment Management Trust Agreement, dated October 28, 2021, between the Company and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8K filed with the Securities and Exchange Commission on October 28, 2021).
14Code of Ethics (incorporated by reference to Exhibit 14 to the Company’s Annual Report on Form 10K filed with the Securities and Exchange Commission on March 15, 2022).
19Insider Trading Policy (incorporated by reference to Exhibit 19 to the Company’s Annual Report on Form 10K filed with the Securities and Exchange Commission on March 28, 2025).
31.1Certification of the Chief Executive Officer required by Rule 13a-14(a) or Rule 15d-14(a).
31.2Certification of the Chief Financial Officer required by Rule 13a-14(a) or Rule 15d-14(a).
32.1Certification of the Chief Executive Officer required by Rule 13a-14(b) or Rule 15d-14(b) and 18 U.S.C. 1350.
32.2Certification of the Chief Financial Officer required by Rule 13a-14(b) or Rule 15d-14(b) and 18 U.S.C. 1350.
101.INSInline XBRL Instance Document — the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.CALInline XBRL Taxonomy Extension Schema Document
101.SCHInline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
104The cover page for the Company’s Quarterly Report on Form 10-Q has been formatted in Inline XBRL and contained in Exhibit 101

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized on the 18 day of March, 2026.

AltEnergy Acquisition Corp.
By:/s/ Russell Stidolph
Name:Russell Stidolph
Title:Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated:

NamePositionDate
/s/ Russell Stidolph Russell StidolphChief Executive Officer (Principal executive officer) and DirectorMarch 18, 2026
/s/ Jonathan Darnell Jonathan DarnellChief Financial Officer (Principal financial and accounting officer)March 18, 2026
/s/ William Campbell William CampbellDirectorMarch 18, 2026
/s/ Kimberly Heimert Kimberly HeimertDirectorMarch 18, 2026
/s/ Michael Salvator Michael SalvatorDirectorMarch 18, 2026
/s/ Daniel Shribman Daniel ShribmanDirectorMarch 18, 2026
ContentsView on SEC.gov

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