Oklo (OKLO) CTO receives RSUs and uses shares to cover taxes

Rhea-AI Filing Summary

Oklo Inc. Chief Technology Officer Patrick Joseph Schweiger reported routine equity compensation activity. On March 6, 2026, 2,884 restricted stock units were released and converted into 2,884 shares of Class A Common Stock at an exercise price of $0.00 per share. Of these, 1,280 shares were withheld at $58.26 per share to satisfy tax obligations, leaving 12,109 Class A shares held directly after the disposition. Following the RSU release, he held 44,416 restricted stock units. The filing also notes a prior grant on December 22, 2025 of 27,500 RSUs, which vest over three years in substantially equal annual installments.

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

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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^*

Schweiger Patrick Joseph

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DR.

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

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 Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/22/2025

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

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

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

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	03/06/2026		M		2,884	A	(1)	13,389	D
Class A Common Stock	03/06/2026		F		1,280	D	$58.26	12,109	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)	03/06/2026		M			2,884	(2)	(2)	Class A Common Stock	2,884	$0	44,416	D
Restricted Stock Units	(3)	12/22/2025		A		27,500		(4)	(4)	Class A Common Stock	27,500	$0	71,916	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. On March 6, 2026, 2,884 RSUs were released to the Reporting Person.

2. On December 22, 2025, the Reporting Person was granted 8,652 RSUs, vesting as to one-third of the underlying shares on December 31, 2025 and thereafter in two substantially equal annual installments.

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

4. On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	03/10/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did Oklo (OKLO) report for CTO Patrick Schweiger?

Oklo reported that CTO Patrick Joseph Schweiger had 2,884 restricted stock units released into Class A Common Stock, with 1,280 shares withheld at $58.26 for taxes. The activity reflects routine equity compensation rather than open-market buying or selling.

Did Oklo (OKLO) CTO Patrick Schweiger buy or sell shares on the open market?

The filing shows no open-market purchases or sales by CTO Patrick Schweiger. Shares were acquired through RSU conversion at $0.00 and 1,280 shares were withheld at $58.26 solely to cover tax liabilities tied to the vesting event.

How many Oklo (OKLO) RSUs and shares does the CTO hold after these transactions?

After the March 6, 2026 transactions, Patrick Schweiger directly held 12,109 shares of Oklo Class A Common Stock and 44,416 restricted stock units. These positions reflect a combination of earlier grants and the most recent RSU release and tax withholding.

What RSU grants did Oklo (OKLO) provide to its CTO in December 2025?

On December 22, 2025, Patrick Schweiger was granted 27,500 restricted stock units. The award vests as to one-third of the underlying shares on March 31, 2027, and the remainder in two substantially equal annual installments thereafter, subject to standard conditions.

At what price were Oklo (OKLO) RSUs converted and shares withheld for taxes?

The 2,884 restricted stock units converted into Class A Common Stock at an exercise price of $0.00 per share. Of those shares, 1,280 were withheld to satisfy tax obligations, using a price of $58.26 per share for the withholding calculation.