William Carroll Murphy Goodwin - 14 Aug 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Role: Chief Legal & Strategy Officer
Signature: /s/ Richard Craig Bealmear, Attorney-in-Fact
Issuer symbol: OKLO
Transactions as of: 14 Aug 2025
Net transactions value: -$3,176,224
Form type: 4
Filing time: 18 Aug 2025, 18:00:09 UTC
Previous filing: 18 Aug 2025
Next filing: 09 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Goodwin William Carroll Murphy	Chief Legal & Strategy Officer	C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA	/s/ Richard Craig Bealmear, Attorney-in-Fact	18 Aug 2025	0002080717

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OKLO	Class A Common Stock	Options Exercise		+82,743			82,743	14 Aug 2025	Direct	F1
transaction	OKLO	Class A Common Stock	Tax liability	$3,176,224	-41,356	-50%	$76.80	41,387	14 Aug 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	Restricted Stock Units	Options Exercise	$0	-82,743	-33%	$0.000000	165,484	14 Aug 2025	Class A Common Stock	82,743		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. On August 14, 2025, 82,743 restricted stock units were released to the Reporting Person.
F2	The restricted stock units vest as to one-third of the underlying shares on August 12, 2025 and thereafter in eight substantially equal quarterly installments