Oklo (OKLO) CFO exercises options, sells 16257.0000 shares under 10b5-1 plan

Rhea-AI Filing Summary

Oklo Inc. Chief Financial Officer Richard Craig Bealmear exercised stock options and sold shares. On 2026-03-02, he exercised 16257.0000 stock options, receiving 16257.0000 shares of Class A Common Stock at 3.1800 per share, then sold 16257.0000 shares at 60.0000 per share in an open-market transaction under a Rule 10b5-1 plan adopted on September 22, 2025. Following these transactions, he held 294255.0000 Class A shares and 852434.0000 options, and the option’s expiration date is clarified as December 22, 2033.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bealmear Richard Craig

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DR.

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/02/2026		M		16,257	A	$3.18	310,512(1)	D
Class A Common Stock	03/02/2026		S(2)		16,257	D	$60	294,255(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	$3.18	03/02/2026		M			16,257	(3)	12/22/2033(4)	Class A Common Stock	16,257	$0	852,434	D

Explanation of Responses:

1. For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.

2. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on September 22, 2025.

3. The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments.

4. The expiration date was previously incorrectly reported as August 1, 2023, which was calculated from the vesting date. The expiration date is hereby corrected to reflect the expiration date of December 22, 2033, which is calculated from the grant date.

Remarks:

	/s/ Richard Craig Bealmear	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Oklo (OKLO) report for its CFO?

Oklo reported that CFO Richard Craig Bealmear exercised 16257.0000 stock options and received 16257.0000 Class A shares at 3.1800, then sold 16257.0000 shares at 60.0000 in an open-market transaction, all dated 2026-03-02.

Were Oklo (OKLO) CFO’s share sales part of a Rule 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted on September 22, 2025, indicating the sale instructions were pre-established rather than made as a discretionary, same-day trading decision.

How many Oklo (OKLO) shares does the CFO hold after these transactions?

After the reported exercise and sale, CFO Richard Craig Bealmear directly owns 294255.0000 shares of Oklo Class A Common Stock and 852434.0000 stock options, according to the share balances reported following the 2026-03-02 transactions.

What prices were involved in Oklo (OKLO) CFO’s Form 4 transactions?

The CFO acquired 16257.0000 Class A shares at 3.1800 per share through option exercise and sold 16257.0000 shares at 60.0000 per share in an open-market transaction, reflecting both the exercise cost and the subsequent sale price.

Did Oklo (OKLO) disclose any correction related to the CFO’s stock options?

Yes. The filing corrects the option’s expiration date. It notes a prior report incorrectly used August 1, 2023; the correct expiration date is December 22, 2033, calculated from the original grant date rather than the vesting date.

How do the option vesting terms work for Oklo (OKLO) CFO’s grant?

The stock option vested 20% of the underlying shares on August 1, 2024, with the remaining shares vesting in 48 substantially equal monthly installments, creating a gradual vesting schedule following the initial cliff vesting event.