Oklo officer exercises 20,685 RSUs into stock

Oklo Inc. reported that Chief Legal & Strategy Officer William Carroll Murphy exercised 20,685 Restricted Stock Units on August 12, 2026, converting them into 20,685 shares of Class A Common Stock.

Rhea-AI Filing Summary

Oklo Inc. reported that Chief Legal & Strategy Officer William Carroll Murphy exercised 20,685 Restricted Stock Units on August 12, 2026, converting them into 20,685 shares of Class A Common Stock. These RSUs are part of a 248,227-unit grant awarded on August 12, 2024, which vests 20% after one year and then in 24 substantially equal monthly installments. Following this vesting, Murphy directly holds 56,860 shares of Class A Common Stock and 125,207 RSUs that remain outstanding.

Insider Trade Summary

20,685 shares exercised/converted

Exercise 2 txns

Insider Goodwin William Carroll Murphy

Role Chief Legal & Strategy Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units F1, F2	20,685	$0.00	$0.00
Exercise	Class A Common Stock F1	20,685	--	--

Holdings After Transaction: Restricted Stock Units — 125,207 contracts (Direct); Class A Common Stock — 56,860 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.
2. F2. On August 12, 2024, the Reporting Person was granted 248,227 RSUs, vesting as to 20% of the underlying shares on August 12, 2025 and continuing to vest thereafter in 24 substantially equal monthly installments. On August 12, 2026, 20,685 RSUs vested.

Key Figures

RSUs exercised: 20,685 units Class A shares after transaction: 56,860 shares RSUs remaining: 125,207 units +3 more

6 metrics

RSUs exercised 20,685 units RSUs vested and converted on August 12, 2026

Class A shares after transaction 56,860 shares Direct Class A Common Stock holdings after RSU conversion

RSUs remaining 125,207 units Restricted Stock Units reported following the August 12, 2026 vesting

Original RSU grant 248,227 units RSUs granted on August 12, 2024 to William Carroll Murphy

Initial vesting portion 20% Portion of RSU grant vesting on August 12, 2025

Subsequent vesting installments 24 monthly installments Schedule for remaining RSUs after initial 20% vesting

Key Terms

Restricted Stock Units, Class A Common Stock, contingent right, vest

4 terms

Restricted Stock Units financial

"Each restricted stock unit ("RSU") represents a contingent right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Class A Common Stock financial

"receive one share of the Issuer's Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

contingent right financial

"represents a contingent right to receive one share of the Issuer's"

vest financial

"RSUs, vesting as to 20% of the underlying shares on August 12, 2025"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Oklo Inc. (OKLO) report for William Carroll Murphy?

Oklo Inc. reported that William Carroll Murphy exercised 20,685 RSUs on August 12, 2026, receiving 20,685 Class A shares. This reflects scheduled vesting from a prior RSU grant rather than an open-market purchase or sale.

How many Oklo (OKLO) RSUs were originally granted to William Carroll Murphy?

William Carroll Murphy received a grant of 248,227 RSUs on August 12, 2024. 20% of the underlying shares vest after one year, with the remainder vesting in 24 substantially equal monthly installments thereafter.

How many Oklo (OKLO) Class A shares does William Carroll Murphy hold after this Form 4?

After the reported transactions, William Carroll Murphy directly holds 56,860 shares of Oklo Class A Common Stock. These holdings reflect the conversion of vested RSUs into shares reported on August 12, 2026.

How many Oklo (OKLO) RSUs remain outstanding for William Carroll Murphy?

Following the August 12, 2026 vesting, William Carroll Murphy has 125,207 RSUs reported as outstanding. Each RSU represents a contingent right to receive one Oklo Class A share, subject to the grant’s vesting schedule.

Was the Oklo (OKLO) insider transaction a market sale or purchase of shares?

The filing shows an exercise of RSUs into 20,685 shares, not an open-market sale or purchase. The derivative RSU position decreased while non-derivative share ownership increased by the same share count.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/14/2026 - 04:07 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Goodwin William Carroll Murphy

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DR.

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

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 Legal & Strategy Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2026

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

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

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

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	08/12/2026		M		20,685	A	(1)	56,860	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
Restricted Stock Units	(1)	08/12/2026		M			20,685	(2)	(2)	Class A Common Stock	20,685	$0	125,207	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

2. On August 12, 2024, the Reporting Person was granted 248,227 RSUs, vesting as to 20% of the underlying shares on August 12, 2025 and continuing to vest thereafter in 24 substantially equal monthly installments. On August 12, 2026, 20,685 RSUs vested.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	08/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)