Oklo (NASDAQ: OKLO) product chief logs non-discretionary 557-share tax sale

Rhea-AI Filing Summary

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner sold 557 shares of Class A Common Stock on 2026-08-24 at $39.77 per share. A footnote states this was a "sell to cover" transaction to satisfy tax withholding on vesting RSUs and was not a discretionary sale. Following the transaction, Renner held 472,779 shares directly and 123,153 shares indirectly through a joint account with her spouse.

Insider Trade Summary

Net Seller: 557 shares

Net Sell 2 txns

Insider Renner Alexandra

Role Chief Product Officer

Sold 557 shs ($22K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	557	$39.77	$22K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 472,779 shares (Direct); Class A Common Stock — 123,153 shares (Indirect, Joint account with spouse)

Footnotes (1)

1. F1. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

Key Figures

Shares sold: 557 shares Sale price per share: $39.77 per share Direct holdings after transaction: 472,779 shares +2 more

5 metrics

Shares sold 557 shares Class A Common Stock sold on 2026-08-24 in sell-to-cover transaction

Sale price per share $39.77 per share Price for 557 shares of Class A Common Stock sold on 2026-08-24

Direct holdings after transaction 472,779 shares Direct ownership of Class A Common Stock following the 557-share sale

Indirect holdings after transaction 123,153 shares Indirect ownership through joint account with spouse after transaction

Net shares sold 557 shares Net share change across reported buy/sell transactions in this Form 4

Key Terms

sell to cover, tax withholding obligations, RSUs, joint account with spouse

4 terms

sell to cover financial

"to be funded by a "sell to cover" transaction and does not represent"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

tax withholding obligations financial

"sold by the Reporting Person to cover tax withholding obligations in"

RSUs financial

"connection with the vesting and settlement of the RSUs. The sale was"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

joint account with spouse financial

"Indirect ownership type reported as "Joint account with spouse""

FAQ

Who is the insider involved in the latest Form 4 filing for OKLO?

The insider is Alexandra Renner, Chief Product Officer of Oklo Inc. The filing reports her transactions and holdings in Oklo Class A Common Stock, including direct and indirect ownership after the reported activity.

How many OKLO shares did Alexandra Renner sell in this Form 4?

Alexandra Renner sold 557 shares of Oklo Inc. Class A Common Stock on 2026-08-24 at a reported price of $39.77 per share, according to the Form 4 data.

Was the OKLO stock sale by Alexandra Renner discretionary?

No. A footnote explains the 557-share sale was to cover tax withholding obligations related to vesting and settlement of RSUs and "does not represent a discretionary transaction" by Alexandra Renner.

What are Alexandra Renner’s direct holdings of OKLO after the reported sale?

After the reported sell-to-cover transaction, Alexandra Renner directly held 472,779 shares of Oklo Inc. Class A Common Stock, as stated in the Form 4.

Does Alexandra Renner have any indirect ownership of OKLO shares?

Yes. The Form 4 reports 123,153 shares of Oklo Inc. Class A Common Stock held indirectly through a joint account with her spouse after the transaction.

What is the total number of OKLO shares involved in the Form 4 transactions?

The Form 4 shows a sale of 557 shares of Class A Common Stock. It also reports post-transaction holdings of 472,779 direct shares and 123,153 indirect shares, but only 557 shares were actually sold in this filing’s reported transaction.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/25/2026 - 04:11 PM Accepted by SEC EDGAR 08/25/2026 - 04:10 PM 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^*

Renner Alexandra

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DRIVE

(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 Product Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/24/2026

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	08/24/2026		S(1)		557	D	$39.77	472,779	D
Class A Common Stock								123,153	I	Joint account with spouse

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

Explanation of Responses:

1. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	08/25/2026
	** 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)