OKLO affiliate reports Class A option exercise and sales

OKLO affiliate filings report proposed and completed dispositions of Class A shares by a selling holder and related option exercises.

Rhea-AI Filing Summary

OKLO affiliate filings report proposed and completed dispositions of Class A shares by a selling holder and related option exercises. The excerpt lists an option grant and an exercise event plus four reported Class A sales by Richard C. Bealmear dated 03/02/2026, 03/13/2026, 04/01/2026, and 05/01/2026 with share counts and gross proceeds shown for each.

The notice records an option granted on 12/23/2023, an option exercise on 09/17/2025 for 10,000 shares, and multiple cash sales by the holder totaling specific share amounts and dollar proceeds in the first five months of 2026.

Insights

Securities Counsel

Form 144 notice and recent dispositions by an affiliate are administrative disclosures of planned and completed sales.

The filing lists an option grant (12/23/2023), a stock option exercise (09/17/2025) for 10,000 shares, and multiple Class A cash sales by Richard C. Bealmear with dates and gross proceeds. These entries characterize sale activity and required notice under resale rules.

Timing and cash‑flow treatment are drawn from the entries; subsequent SEC filings or broker confirmations would show final execution details.

Key Figures

Option grant date: 12/23/2023 Option exercise: 10,000 shares Sale on 03/02/2026: 16,257 shares +3 more

6 metrics

Option grant date 12/23/2023 Recorded option grant date

Option exercise 10,000 shares Stock Option Exercise on 09/17/2025

Sale on 03/02/2026 16,257 shares Gross proceeds $975,420.00

Sale on 03/13/2026 72,090 shares Gross proceeds $4,325,320.70

Sale on 04/01/2026 16,342 shares Gross proceeds $834,749.36

Sale on 05/01/2026 16,216 shares Gross proceeds $1,133,861.64

Key Terms

Form 144, Stock Option Exercise, Class A

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.

Stock Option Exercise financial

"Class A | 09/17/2025 | 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.

Class A financial

"Class A | Fidelity Brokerage Services LLC"

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 does the OKLO Form 144 excerpt show about recent insider sales?

It shows four Class A sales by Richard C. Bealmear on 03/02/2026, 03/13/2026, 04/01/2026, and 05/01/2026 with listed share counts and gross proceeds. The excerpt records each sale date, share count, and dollar amount.

How many shares were sold on 03/13/2026 according to the excerpt?

The excerpt lists a sale of 72,090 shares on 03/13/2026 with gross proceeds of $4,325,320.70. The line pairs the date, share count, and dollar amount for that transaction.

Does the excerpt show any option exercises or grants for OKLO?

Yes. It records an option grant dated 12/23/2023 and a stock option exercise on 09/17/2025 for 10,000 shares, listed as a cash exercise in the excerpt.

Are gross proceeds listed for the reported sales in the excerpt?

Yes. Each reported sale by Richard C. Bealmear pairs a share count with a dollar figure: for example, 16,257 shares for $975,420.00 on 03/02/2026 and other amounts for subsequent dates.

Who is the reported selling holder in the excerpt?

The excerpt identifies Richard C. Bealmear with an address in Santa Clara, CA, as the holder reporting multiple Class A sales on the listed dates and amounts.

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

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Accepted by SEC EDGAR 06/01/2026 - 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	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	56843	3944767.39	173990987	06/01/2026	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	06/01/2026	Option Granted - 12/23/2023	Issuer			46843	06/01/2026	Cash
Class A	09/17/2025	Stock Option Exercise	Issuer			10000	09/17/2025	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
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/02/2026	16257	975420.00
Richard C. Bealmear 3190 Coronado Dr. Santa Clara CA 95054	Class A	03/13/2026	72090	4325320.70
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

144: Remarks and Signature

Remarks
Date of Notice	06/01/2026
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/ 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)