OKLO affiliate files to sell 16,321 Class A shares

OKLO reported a proposed sale of 16,321 Class A shares via a stock option exercise to be effected on 07/01/2026 for cash through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

OKLO reported a proposed sale of 16,321 Class A shares via a stock option exercise to be effected on 07/01/2026 for cash through Fidelity Brokerage Services LLC. The filing also lists recent dispositions by Richard C. Bealmear, including 16,342 shares on 04/01/2026 for $834,749.36 and 73,081 shares on 06/01/2026 for $5,000,236.58.

Insights

Corporate Governance Analyst

Form 144 shows an affiliate proposing a stock-option-based sale and earlier dispositions by an insider.

The filing records a proposed sale of 16,321 Class A shares on 07/01/2026 via a stock option exercise settled for cash through Fidelity Brokerage Services LLC. It also lists prior sales by Richard C. Bealmear in April, May, and June 2026 with stated share counts and gross proceeds.

These entries are routine affiliate disclosure of resale activity; the filings report trade sizes and cash amounts but do not state whether trades were part of pre-arranged plans. Subsequent filings may disclose additional details about timing or any trading plans.

Key Figures

Proposed sale: 16,321 shares Prior sale (Apr 1): 16,342 shares Prior sale (May 1): 16,216 shares +2 more

5 metrics

Proposed sale 16,321 shares Class A via stock option exercise on <date>07/01/2026</date>

Prior sale (Apr 1) 16,342 shares 04/01/2026 for <money>$834,749.36</money>

Prior sale (May 1) 16,216 shares 05/01/2026 for <money>$1,133,861.64</money>

Prior sale (Jun 1) 73,081 shares 06/01/2026 for <money>$5,000,236.58</money>

Broker Fidelity Brokerage Services LLC Order routing / broker listed on filing

Key Terms

Form 144, Stock Option Exercise, Issuer

3 terms

Form 144 regulatory

"144: Filer Information | 144: Securities Information"

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.

Stock Option Exercise financial

"Class A | 07/01/2026 | Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Issuer regulatory

"Stock Option Exercise | Issuer"

FAQ

What does OKLO's Form 144 disclose about proposed sales?

It discloses a proposed sale of 16,321 Class A shares via stock option exercise on 07/01/2026. The filing lists the execution method as a cash exercise through Fidelity Brokerage Services LLC and includes prior three-month dispositions by an insider.

Who is the insider named in the OKLO Form 144 entries?

The filing lists Richard C. Bealmear as the party with recent dispositions. It shows his sales on 04/01/2026, 05/01/2026, and 06/01/2026 with specific share counts and gross proceeds reported.

How large were the recent OKLO dispositions reported in the filing?

The excerpt shows examples including 16,342 shares for $834,749.36 on 04/01/2026 and 73,081 shares for $5,000,236.58 on 06/01/2026. Each line pairs share counts with gross proceeds.

Was the proposed OKLO sale through an issuer or a broker?

The proposed sale is noted as a Stock Option Exercise with proceeds listed as Cash and execution routed through Fidelity Brokerage Services LLC, per the filing excerpt.

Does the Form 144 excerpt indicate whether trades were pursuant to a trading plan?

The excerpt does not state that the transactions were made under a pre-arranged trading plan. It lists method and dates but does not reference Rule 10b5-1 or similar arrangements.

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

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Accepted by SEC EDGAR 07/01/2026 - 10:27 AM 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	0001855623
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	Bealmear Richard Craig
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	16321	875295.23	173990987	07/01/2026	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	07/01/2026	Stock Option Exercise	Issuer			16321	07/01/2026	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
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	04/01/2026	16342	834749.36
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	05/01/2026	16216	1133861.64
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	06/01/2026	73081	5000236.58

144: Remarks and Signature

Remarks
Date of Notice	07/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/22/2025
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/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard C. Bealmear
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)