OKLO executive reports sale of 5,561 Class A shares

Patrick Schweiger reported a sale of 5,561 Class A shares on 03/25/2026 for $314,074.71 via a Form 144 filing.

Rhea-AI Filing Summary

Patrick Schweiger reported a sale of 5,561 Class A shares on 03/25/2026 for $314,074.71 via a Form 144 filing. The filing also lists restricted stock vesting activity dated 05/19/2026 for Class A shares with brokerage details provided.

Insights

Insider Transactions Analyst

Routine Form 144 sale disclosure showing a mid‑five‑thousand share disposition.

The filing records a reported sale of 5,561 Class A shares for $314,074.71 on 03/25/2026

Such Form 144 disclosures are administrative notices of intended or completed sales; the economic impact depends on total holdings and subsequent filings showing remaining position.

Key Figures

Shares sold: 5,561 shares Proceeds reported: $314,074.71 Restricted stock vesting: Class A (vesting event) +1 more

4 metrics

Shares sold 5,561 shares Sale on 03/25/2026

Proceeds reported $314,074.71 Proceeds from 03/25/2026 sale

Restricted stock vesting Class A (vesting event) Vesting dated 05/19/2026

Brokerage Fidelity Brokerage Services LLC Broker listed with address

Key Terms

Form 144, Restricted Stock Vesting, Class A

3 terms

Form 144 regulatory

"Securities Sold During The Past 3 Months"

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

"Securities To Be Sold | 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.

Class A financial

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

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

FAQ

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

What did OKLO (OKLO) disclose in this Form 144?

Reported sale of 5,561 Class A shares for $314,074.71 on 03/25/2026. The filing also shows restricted stock vesting activity dated 05/19/2026 and lists brokerage details for the transaction.

Who is the reporting person in the Form 144 for OKLO?

The reporting person is Patrick Schweiger. The filing provides an address for Schweiger and records his reported Class A share sale and related restricted stock vesting entries.

How much cash was reported from the past sale in the filing?

The filing lists proceeds of $314,074.71 tied to the reported disposition of 5,561 Class A shares on 03/25/2026 as shown in the Form 144 excerpt.

Does the Form 144 show pending sales or only past sales for OKLO?

It shows a past sale and lists securities to be sold. The excerpt records a completed sale on 03/25/2026 and a separate restricted stock vesting entry dated 05/19/2026.

What brokerage handled the transactions listed in the Form 144?

Fidelity Brokerage Services LLC is named as the broker. The excerpt includes the broker address and NYSE listing information for the Class A shares associated with the filing.

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

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Accepted by SEC EDGAR 05/20/2026 - 03:49 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	0002080997
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	Schweiger Patrick Joseph
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	459	26638.16	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			459	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
Patrick Schweiger 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/25/2026	5561	314074.71

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/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick Schweiger.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)