OKLO affiliate reports Class A share sales

OKLO affiliate filed a Form 144 reporting proposed and recent transactions in Class A shares.

Rhea-AI Filing Summary

OKLO affiliate filed a Form 144 reporting proposed and recent transactions in Class A shares. The filing lists multiple issuer grants and open-market purchases dated between 12/18/2024 and 05/19/2026, and discloses sales by Patrick Schweiger of 5,561 shares on 03/25/2026 for $314,074.71 and 459 shares on 05/20/2026 for $26,638.16.

Insights

Securities Counsel

Form 144 lists proposed dispositions and recent sales by an affiliate.

The filing enumerates issuer-originated restricted stock vestings and open-market purchases across multiple dates and shows two recent dispositions by Patrick Schweiger: 5,561 shares on 03/25/2026 and 459 shares on 05/20/2026

Timing and method details are stated per transaction lines; cash‑flow recipients are the seller(s). Subsequent SEC filings or broker confirmations will show execution status and any adjustments.

Key Figures

Sale by Patrick Schweiger: 5,561 shares Proceeds: $314,074.71 Sale by Patrick Schweiger: 459 shares +3 more

6 metrics

Sale by Patrick Schweiger 5,561 shares sold on 03/25/2026

Proceeds $314,074.71 proceeds from 5,561-share sale on 03/25/2026

Sale by Patrick Schweiger 459 shares sold on 05/20/2026

Proceeds $26,638.16 proceeds from 459-share sale on 05/20/2026

Restricted Stock Vesting (example) 7,321 shares vesting on 03/24/2026

Open Market Purchase (example) 5,075 shares purchase on 04/07/2025

Key Terms

Form 144, Restricted Stock Vesting, Open Market Purchase

3 terms

Form 144 regulatory

"144: 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

"Class A | 03/06/2026 | 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.

Open Market Purchase market

"Class A | 12/18/2024 | Open Market Purchase"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

FAQ

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

What does OKLO's Form 144 disclose about recent insider sales?

The Form 144 reports two sales by Patrick Schweiger: 5,561 shares on 03/25/2026 for $314,074.71 and 459 shares on 05/20/2026 for $26,638.16. These are recorded as sales in the filing.

Which types of share acquisitions appear in the filing for OKLO?

The filing lists issuer-originated transactions including Restricted Stock Vesting on 03/06/2026, 03/24/2026, and 05/19/2026, plus multiple Open Market Purchase entries dated between 12/18/2024 and 04/07/2025.

Who is the selling party named in OKLO's Form 144?

The selling party named is Patrick Schweiger, with an address listed and the two disposition lines for 03/25/2026 and 05/20/2026 showing shares sold and gross proceeds.

Do the Form 144 entries state how sales were executed?

Transaction lines label the recent dispositions as sales and earlier entries as Open Market Purchase or Restricted Stock Vesting. Specific broker execution details are not provided beyond the listed methods and dates.

Are proceeds from the reported sales shown in OKLO's filing?

Yes. The filing shows proceeds for the two dispositions: $314,074.71 for 5,561 shares (03/25/2026) and $26,638.16 for 459 shares (05/20/2026), as recorded on the sale lines.

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

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Accepted by SEC EDGAR 05/21/2026 - 05:23 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	Former 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	20044	1282361.29	173990987	05/21/2026	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	01/02/2025	Open Market Purchase	Issuer			4650	01/02/2025	Cash
Class A	03/06/2026	Restricted Stock Vesting	Issuer			1604	03/06/2026	Compensation
Class A	03/24/2026	Restricted Stock Vesting	Issuer			7321	03/24/2026	Compensation
Class A	05/19/2026	Restricted Stock Vesting	Issuer			614	05/19/2026	Compensation
Class A	12/18/2024	Open Market Purchase	Issuer			310	12/18/2024	Cash
Class A	12/30/2024	Open Market Purchase	Issuer			470	12/30/2024	Cash
Class A	04/07/2025	Open Market Purchase	Issuer			5075	04/07/2025	Cash

* 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
Patrick Schweiger 3190 Coronado Dr. Santa Clara CA 95054	Class A	05/20/2026	459	26638.16

144: Remarks and Signature

Remarks
Date of Notice	05/21/2026
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/Wade Moss, 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)