[144] Oklo Inc. SEC Filing

Rhea-AI Filing Summary

Oklo Inc. Form 144 notice: The filing reports a proposed sale of 7,622 Class A shares through Fidelity Brokerage Services LLC on 09/18/2025 with an aggregate market value of $773,182.54. Those shares were acquired the prior day, 09/17/2025, by stock option exercise and paid for in cash. The notice also discloses that Richard C. Bealmear sold 92,378 Class A shares on 09/17/2025 for gross proceeds of $8,658,204.78. The signer represents they do not possess undisclosed material nonpublic information.

Positive

• Transaction disclosed under Rule 144, demonstrating regulatory compliance and transparency
• Shares acquired by option exercise and paid for in cash, showing clear source of the securities

Negative

• Substantial prior sale by Richard C. Bealmear of 92,378 shares for $8,658,204.78, which may be viewed as notable insider selling activity

Insights

Securities Analyst

TL;DR: Routine insider sale and option exercise disclosed; notable prior sale amount but filing is procedural under Rule 144.

The Form 144 documents a proposed public sale of 7,622 Class A shares acquired by option exercise one day earlier and scheduled to be sold via Fidelity on 09/18/2025. The filing also reports a substantial sale by Richard C. Bealmear of 92,378 shares on 09/17/2025 generating $8.66 million in gross proceeds. From a market-impact perspective, the notice is a standard compliance disclosure required to register a resale under Rule 144; it does not itself provide operational or forward-looking information about the issuer.

Corporate Governance Expert

TL;DR: Disclosure aligns with insider trading rules; representation about material nonpublic information is explicitly stated.

The filer affirms the absence of undisclosed material adverse information and notes the sale follows an exercise of stock options. The document serves to ensure transparency for insider transactions. It does not include information about any trading plan adoption dates or additional governance context beyond the required attestation.

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
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	7622	773182.54	147609194	09/18/2025	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	09/17/2025	Stock Option Exercise	Issuer			7622	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	09/17/2025	92378	8658204.78

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Oklo (OKLO) Form 144 report?

The Form 144 reports a proposed sale of 7,622 Class A shares to be sold via Fidelity on 09/18/2025 with an aggregate market value of $773,182.54.

How were the 7,622 Oklo shares acquired?

The shares were acquired on 09/17/2025 by a stock option exercise and payment was made in cash on the same date.

Did any insider sell Oklo shares recently?

Yes. The filing discloses that Richard C. Bealmear sold 92,378 Class A shares on 09/17/2025 for gross proceeds of $8,658,204.78.

Who is the broker handling the proposed sale?

The proposed sale is to be handled by Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI; the securities exchange listed is the NYSE.

Does the filer assert possession of nonpublic material information?

The person for whose account the securities are to be sold represents that they do not know any material adverse information not publicly disclosed.

What trading dates are listed in the filing?

Acquisition and payment date for the 7,622 shares: 09/17/2025; approximate sale date: 09/18/2025; prior sale by Bealmear: 09/17/2025.