Richard Craig Bealmear - 17 Sep 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Role: Chief Financial Officer
Signature: /s/ Richard Craig Bealmear
Issuer symbol: OKLO
Transactions as of: 17 Sep 2025
Net transactions value: -$8,795,387
Form type: 4
Filing time: 19 Sep 2025, 18:17:35 UTC
Previous filing: 02 Apr 2025
Next filing: 19 Dec 2025
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	19 Sep 2025	0001855623

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OKLO	Class A Common Stock	Options Exercise	$318,000	+100,000	+456%	$3.18	121,913	17 Sep 2025	Direct
transaction	OKLO	Class A Common Stock	Sale	$4,361,229	-46,175	-38%	$94.45	75,738	17 Sep 2025	Direct
transaction	OKLO	Class A Common Stock	Options Exercise	$318,000	+100,000	+132%	$3.18	175,738	17 Sep 2025	Direct
transaction	OKLO	Class A Common Stock	Sale	$4,296,976	-46,203	-26%	$93.00	129,535	17 Sep 2025	Direct	F1
transaction	OKLO	Class A Common Stock	Sale	$773,183	-7,622	-5.9%	$101.44	121,913	18 Sep 2025	Direct

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	-100,000	-7.5%	$0.000000	1,225,759	17 Sep 2025	Class A Common Stock	100,000	$3.18	Direct	F2
transaction	OKLO	Stock Options	Options Exercise	$0	-100,000	-8.2%	$0.000000	1,125,759	17 Sep 2025	Class A Common Stock	100,000	$3.18	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.00 to $93.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.
F2	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.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.00 to $93.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

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.