Oklo director awarded 3,213 RSUs of Class A stock

Peters Mark T reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Peters Mark T reported acquisition or exercise transactions in this Form 4 filing.

Oklo Inc. director Mark T. Peters reported a compensation-related equity grant rather than an open-market trade. He received 3,213 restricted stock units (RSUs), each representing one share of Oklo Class A Common Stock. These RSUs vest in full on June 3, 2027, and following this award he now holds 7,912 RSUs directly. The filing reflects routine director compensation using stock-based awards, with no cash purchase or sale of shares disclosed.

Insider Trade Summary

Grant/Award: 3,213 shares

Grant/Award 1 txn

Insider Peters Mark T

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	3,213	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 7,912 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
2. F2. The restricted stock units vest in full on June 3, 2027.

Key Figures

RSUs granted: 3,213 units RSUs held after grant: 7,912 units Grant price per RSU: $0.0000 per unit +2 more

5 metrics

RSUs granted 3,213 units Restricted stock unit grant to director on June 11, 2026

RSUs held after grant 7,912 units Total restricted stock units directly held following transaction

Grant price per RSU $0.0000 per unit Equity award recorded at zero exercise or purchase price

Underlying Class A shares 3,213 shares Shares of Class A Common Stock underlying new RSU award

RSU vesting date June 3, 2027 Date when the granted restricted stock units vest in full

Key Terms

Restricted Stock Units, Class A Common Stock, Grant, award, or other acquisition

3 terms

Restricted Stock Units financial

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

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

"Each restricted stock unit represents a contingent right to 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.

Grant, award, or other acquisition financial

"Transaction code A is described as a Grant, award, or other acquisition for the reported RSUs."

FAQ

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

What insider transaction did Oklo (OKLO) director Mark T. Peters report?

Mark T. Peters reported receiving 3,213 restricted stock units as equity compensation. Each RSU represents one share of Oklo Class A Common Stock, and the award increased his directly held RSU balance to 7,912 units according to the filing.

Is the Oklo (OKLO) Form 4 filing a stock purchase or a compensation grant?

The filing reflects a compensation grant, not a market purchase or sale. Peters received 3,213 restricted stock units at a stated price of $0.0000 per unit, consistent with an equity award rather than an open-market transaction in Oklo shares.

When do Mark T. Peters’ new Oklo (OKLO) restricted stock units vest?

The 3,213 restricted stock units vest in full on June 3, 2027. Vesting means he becomes entitled to receive one share of Oklo Class A Common Stock for each RSU, assuming any service or other conditions in the award are satisfied.

How many Oklo (OKLO) restricted stock units does Mark T. Peters hold after this grant?

After the reported grant, Peters holds 7,912 restricted stock units directly. This total includes the newly awarded 3,213 RSUs, each representing a contingent right to receive one share of Oklo Class A Common Stock upon vesting and settlement.

What does each Oklo (OKLO) restricted stock unit represent for Mark T. Peters?

Each restricted stock unit represents a contingent right to receive one share of Oklo’s Class A Common Stock. The shares are delivered only when the RSUs vest and settle under the award’s terms, rather than being immediately issued at the grant date.

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

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Accepted by SEC EDGAR 06/15/2026 - 04:32 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^*

Peters Mark T

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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

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)	06/11/2026		A		3,213		(2)	(2)	Class A Common Stock	3,213	$0	7,912	D

Explanation of Responses:

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

2. The restricted stock units vest in full on June 3, 2027.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	06/15/2026
	** 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)