Oklo Inc.

For the period ended Dec 31, 2025. Filed Mar 17, 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 17, 2026

OKLO$25.09-6.5%Stored close · as of Nov 10, 2026

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Contents

Item 15. Exhibits and Financial Statement Schedules

(a)(1) Financial Statements: See the Index to Consolidated Financial Statements on Page F-1 of this Annual Report.

(a)(2) Financial Statement Schedules: The information required to be submitted in the Financial Statement Schedules has either been shown in the consolidated financial statements or notes, or is not applicable or required under Regulation S-X; therefore, those schedules have been omitted.

(a)(3) Exhibits: Set forth below is a list of all exhibits to this Annual Report, including those incorporated by reference.

(b)

EXHIBIT INDEX

Exhibit Number	Description
2.1	Agreement and Plan of Merger and Reorganization, dated as of July 11, 2023, by and among AltC Acquisition Corp., AltC Merger Sub, Inc. and Oklo Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K, filed with the SEC on July 11, 2023).
3.1	Second Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K, filed with the SEC on May 13, 2024).
3.2	Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2 of the Company’s Current Report on Form 8-K, filed with the SEC on May 13, 2024).
4.1	Description of Securities (incorporated by reference to Exhibit 4.1 of the Company's Annual Report on Form 10-K, filed with the SEC on March 24, 2025).
10.1	Amended and Restated Registration Rights Agreement, dated as of May 9, 2024, by and among AltC Acquisition Corp., AltC Sponsor LLC and the other parties thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K, filed with the SEC on May 13, 2024).
10.2	Amended and Restated Letter Agreement, dated as of July 11, 2023, by and among AltC Acquisition Corp., AltC Sponsor LLC, Oklo Inc. and certain other parties thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K, filed with the SEC on July 11, 2023).
10.3#	Oklo Inc. 2016 Stock Incentive Plan and forms of equity agreements thereunder (incorporated by reference to Exhibit 99.3 to the Company’s Registration Statement on Form S-8, filed with the SEC on July 9, 2024).
10.4#	Oklo Inc. 2024 Equity Incentive Plan (incorporated by reference to Exhibit 99.1 to the Company’s Registration Statement on Form S-8, filed with the SEC on July 9, 2024).
10.5#	Form of Restricted Stock Unit Award Agreement under Oklo Inc. 2024 Equity Incentive Plan (incorporated by reference to Exhibit 99.4 to the Company’s Registration Statement on Form S-8, filed with the SEC on July 9, 2024).
10.6#	Oklo Inc. 2024 Employee Stock Purchase Plan (incorporated by reference to Exhibit 99.2 to the Company’s Registration Statement on Form S-8, filed with the SEC on July 9, 2024).
10.7#	Employment Agreement, effective May 9, 2024, by and between the Company and Jacob DeWitte (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the SEC on May 16, 2024).
10.8#	Employment Agreement, effective May 9, 2024, by and between the Company and Caroline Cochran (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed with the SEC on May 16, 2024).
10.9#	Employment Agreement, effective May 9, 2024, by and between the Company and R. Craig Bealmear (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K, filed with the SEC on May 16, 2024).
10.10#	Oklo Inc. Non-Employee Director Compensation Program (incorporated by reference to Exhibit 10.12+ to the Company’s Registration Statement on Form S-1, as amended, filed with the SEC on August 30, 2024).
10.11#	Form of Indemnification Agreement (incorporated by reference to Exhibit 10.8 to the Company’s Current Report on Form 8-K, filed with the SEC on May 13, 2024).

10.12	Confidential Letter of Intent to Purchase Power, dated as of February 16, 2024, by and between Oklo Inc. and Equinix, Inc. (incorporated by reference to Exhibit 10.19 to the Company’s Registration Statement on Form S-4, as amended, filed with the SEC on April 15, 2024).
19.1*	Insider Trading Policy
21.1*	List of Subsidiaries of Oklo Inc.
23.1*	Consent of Deloitte & Touche LLP
31.1*	Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Principal Executive Officer and Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
97.1	Oklo Inc. Amended and Restated Policy for the Recovery of Erroneously Awarded Compensation (incorporated by reference to Exhibit 97.1 to the Company’s Annual Report on Form 10-K, filed with the SEC on March 24, 2025).
101.INS*	Inline 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.SCH*	Inline XBRL Taxonomy Extension Schema Document.
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF *	Inline XBRL Taxonomy Extension Definition Linkbase Document.
104	The cover page from the Registrant's Annual Report on Form 10-K for the year ended December 31, 2025, formatted in Inline XBRL (included as Exhibit 101).

Filed herewith.

** Furnished herewith. This certification that is furnished herewith is deemed not filed for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act.

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