Richard Craig Bealmear - 02 Mar 2026 Form 4 Insider Report for Oklo Inc. (OKLO)

Role: Chief Financial Officer
Signature: /s/ Richard Craig Bealmear
Issuer symbol: OKLO
Transactions as of: 02 Mar 2026
Net transactions value: -$923,723
Form type: 4
Filing time: 03 Mar 2026, 16:25:52 UTC
Previous filing: 04 Feb 2026
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bealmear Richard Craig	Chief Financial Officer	C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA	/s/ Richard Craig Bealmear	03 Mar 2026	0001855623

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OKLO	Class A Common Stock	Options Exercise	$51,697	+16,257	+5.5%	$3.18	310,512	02 Mar 2026	Direct	F1
transaction	OKLO	Class A Common Stock	Sale	$975,420	-16,257	-5.2%	$60.00	294,255	02 Mar 2026	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OKLO	Stock Options	Options Exercise	$0	-16,257	-1.9%	$0.000000	852,434	02 Mar 2026	Class A Common Stock	16,257	$3.18	Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on September 22, 2025.
F3	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.
F4	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.