UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): April 22, 2025

Oklo Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-40583		86-2292473
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

3190 Coronado Dr. Santa Clara, CA		95054
(Address of principal executive offices)		(Zip Code)

(650) 550-0127

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Class A Common Stock, par value $0.0001 per share		OKLO		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

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. ¨

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 22, 2025, Sam Altman notified the board of directors (the “Board”) of Oklo Inc. (the “Company”) that he intended to resign as Chair and as a Class II director of the Board, including as a member of the Board’s Nominating and Corporate Governance Committee, effective April 22, 2025. Mr. Altman’s decision to resign was not due to any disagreement with the Company on any matter related to the Company’s operations, policies or practices.

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 hereunto duly authorized.

	Oklo Inc.

Date: April 22, 2025	By:	/s/ R. Craig Bealmear
	Name:	R. Craig Bealmear
	Title:	Chief Financial Officer

Oklo Inc. 8-K