Oklo holder plans sale of 11,592 Class A shares

Oklo Inc. (OKLO) is named as the issuer in a Rule 144 notice filed for the planned sale of Class A common stock held for the account of William Carroll Murphy Goodwin, with Fidelity Brokerage Services LLC as broker.

Rhea-AI Filing Summary

Oklo Inc. (OKLO) is named as the issuer in a Rule 144 notice filed for the planned sale of Class A common stock held for the account of William Carroll Murphy Goodwin, with Fidelity Brokerage Services LLC as broker. The notice covers 11,592 shares of Class A stock, with an aggregate market value of $461,019.64, when Oklo had 186,017,650 shares outstanding. The shares were acquired from Oklo through restricted stock vesting on 08/21/2026 as compensation. The filer notes that the sale includes an amount necessary to cover a tax obligation arising from settlement of a vested equity award distribution.

Key Figures

Shares to be sold: 11,592 shares of Class A Aggregate market value: $461,019.64 Shares outstanding: 186,017,650 shares +2 more

5 metrics

Shares to be sold 11,592 shares of Class A Number of Oklo Inc. Class A shares covered by the Rule 144 notice

Aggregate market value $461,019.64 Aggregate market value of the 11,592 shares to be sold

Shares outstanding 186,017,650 shares Oklo Inc. Class A shares outstanding, provided as context

Acquisition date 08/21/2026 Date the shares were acquired via restricted stock vesting as compensation

Date of Notice 08/24/2026 Date of the Rule 144 notice submission

Key Terms

Rule 144, Restricted Stock Vesting, equity award distribution

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Class A | 08/21/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

equity award distribution financial

"resulting from the settlement of a vested equity award distribution."

FAQ

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

What does the Form 144 filing disclose for Oklo Inc. (OKLO)?

It discloses a planned sale of 11,592 shares of Oklo Inc. Class A common stock held for the account of William Carroll Murphy Goodwin through Fidelity Brokerage Services LLC, with an aggregate market value of $461,019.64 under Rule 144.

How many Oklo Inc. (OKLO) shares are covered by this Rule 144 notice?

The notice covers 11,592 shares of Oklo Inc. Class A common stock. These shares are planned for sale through Fidelity Brokerage Services LLC and are part of a position acquired via restricted stock vesting as compensation on 08/21/2026.

What is the aggregate market value of the Oklo Inc. (OKLO) shares to be sold?

The aggregate market value of the Class A shares covered by the notice is $461,019.64. This value corresponds to the 11,592 shares of Oklo Inc. common stock to be sold under Rule 144 through Fidelity Brokerage Services LLC.

How many Oklo Inc. (OKLO) shares were outstanding at the time referenced in the notice?

The notice reports that 186,017,650 shares of Oklo Inc. Class A common stock were outstanding. This figure serves as context for the 11,592 shares covered by the planned Rule 144 sale and is not the amount being sold.

How were the Oklo Inc. (OKLO) shares being sold under Rule 144 acquired?

The 11,592 shares were acquired from Oklo Inc. on 08/21/2026 through restricted stock vesting as compensation. The remarks state that the sale includes shares needed to cover a tax obligation from settlement of a vested equity award distribution.

What tax-related detail is mentioned regarding the Oklo Inc. (OKLO) share sale?

The filer states that the sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution. This indicates part of the 11,592 shares may be sold to satisfy related tax liabilities.

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

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Available on EDGAR 08/24/2026 - 04:14 PM EDT Accepted by SEC EDGAR 08/24/2026 - 04:13 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002080717
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Oklo Inc.
SEC File Number	001-40583
Address of Issuer	3190 CORONADO DR. SANTA CLARA CALIFORNIA 95054
Phone	650-550-0127
Name of Person for Whose Account the Securities are To Be Sold	Goodwin William Carroll Murphy
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	11592	461019.64	186017650	08/24/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	08/21/2026	Restricted Stock Vesting	Issuer			11592	08/21/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	08/24/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for William Goodwin.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)