OKLO proposes resale of 10,548 Class A shares

OKLO reports proposed sale of 10,548 Class A shares.

Rhea-AI Filing Summary

OKLO reports proposed sale of 10,548 Class A shares. The filing lists these shares as "Securities To Be Sold" tied to Restricted Stock Vesting with a 05/19/2026 and an apparent transfer date of 05/20/2026.

The excerpt also discloses prior sales by William Goodwin: 2,820 shares on 03/09/2026 for $159,869.47 and 10,639 shares on 03/25/2026 for $600,870.51. The filing records the broker as Fidelity Brokerage Services LLC and lists the exchange as NYSE.

Insights

Insider Transactions Counsel

Form 144 discloses a proposed resale of restricted Class A shares by an insider.

The filing lists 10,548 Class A shares as "Securities To Be Sold" associated with Restricted Stock Vesting dated 05/19/2026. This is a standard notice that permits a sale under Rule 144 procedures; timing and execution details are not provided in the excerpt.

Prior reported dispositions show 2,820 shares on 03/09/2026 and 10,639 shares on 03/25/2026, with dollar amounts recorded. Subsequent filings will show actual sale execution and proceeds if and when transactions occur.

Key Figures

Proposed resale: 10,548 shares Prior sale 1: 2,820 shares Prior sale 2: 10,639 shares +1 more

4 metrics

Proposed resale 10,548 shares Securities To Be Sold; Restricted Stock Vesting dated <date>05/19/2026</date>

Prior sale 1 2,820 shares Sold on <date>03/09/2026</date> for <money>$159,869.47</money>

Prior sale 2 10,639 shares Sold on <date>03/25/2026</date> for <money>$600,870.51</money>

Broker Fidelity Brokerage Services LLC Listed street address and broker for the transactions

Key Terms

Form 144, Restricted Stock Vesting, Issuer, Fidelity Brokerage Services LLC

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Class A | 05/19/2026 | Restricted Stock Vesting"

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.

Issuer regulatory

"Restricted Stock Vesting | Issuer"

Fidelity Brokerage Services LLC other

"Fidelity Brokerage Services LLC 900 Salem Street"

FAQ

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

What does OKLO's Form 144 disclose about the Class A sale?

The filing discloses a proposed resale of 10,548 Class A shares tied to Restricted Stock Vesting dated 05/19/2026. It lists the broker as Fidelity Brokerage Services LLC and the exchange as NYSE.

Who reported prior sales in the Form 144 excerpt for OKLO?

The excerpt shows prior sales by William Goodwin: 2,820 shares on 03/09/2026 for $159,869.47 and 10,639 shares on 03/25/2026 for $600,870.51. These are listed as past dispositions.

Are the 10,548 shares described as vested or granted?

The shares are described under the line item Restricted Stock Vesting with an associated date of 05/19/2026, indicating the filing links the resale to vested restricted stock rather than a new grant.

Does the Form 144 show the sale was completed and proceeds received?

The excerpt lists the number of shares proposed to be sold and prior completed sales with proceeds for those past dates. It does not show execution details or proceeds for the 10,548 shares; follow-up filings would reflect completion.

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

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Accepted by SEC EDGAR 05/20/2026 - 03:38 PM 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	10548	612155.29	173990987	05/20/2026	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	05/19/2026	Restricted Stock Vesting	Issuer			10548	05/19/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
William Goodwin 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/09/2026	2820	159869.47
William Goodwin 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/25/2026	10639	600870.51

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	05/20/2026
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/ Daniel Tucci, 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)