[144] Oklo Inc. SEC Filing

Rhea-AI Filing Summary

Oklo Inc. (OKLO) filed a Form 144 notice reporting a proposed sale of 46,175 Class A shares through Fidelity Brokerage Services with an aggregate market value of $4,361,228.75. The shares represent part of the 147,609,194 shares outstanding and are listed for an approximate sale date of 09/17/2025 on the NYSE. The filing shows the shares were acquired under an option granted 12/23/2023 with an acquisition date and intended payment date of 09/17/2025, and payment is indicated as cash. No securities were reported sold by the filer in the prior three months.

Positive

• None.

Negative

• Proposed insider sale of 46,175 Class A shares with an aggregate market value of $4,361,228.75 scheduled for 09/17/2025

Insights

Securities Analyst

TL;DR: Insiders plan a modest Class A sale of 46,175 shares via Fidelity, listed at $4.36M total value, scheduled for 09/17/2025.

The Form 144 documents a proposed sale by a person for whose account securities were granted as an option on 12/23/2023. The notice specifies broker, share count, aggregate market value, outstanding shares, and cash payment. The size of the sale—46,175 shares versus 147,609,194 outstanding—appears small in percentage terms and the filing confirms no other sales in the prior three months. This is a routine Rule 144 disclosure required before certain restricted or control securities are sold.

Corporate Governance Specialist

TL;DR: Filing is a procedural disclosure of an option-derived sale; it provides required representations about material nonpublic information.

The signature/remarks section includes the standard representation that the seller is not aware of undisclosed material adverse information and notes potential 10b5-1 plan implications if applicable. The filing documents the issuer, broker, and sale mechanics, which supports transparency around insider dispositions but does not by itself indicate material corporate change.

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	46175	4361228.75	147609194	09/17/2025	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	Option Granted - 12/23/2023	Issuer			46175	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

Nothing to Report

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 Oklo Inc.'s Form 144 disclose about the sale?

The filing discloses a proposed sale of 46,175 Class A shares via Fidelity with aggregate value $4,361,228.75, approximate sale date 09/17/2025, and payment in cash.

Was the stock being sold acquired by option or purchase?

The securities were acquired under an option granted on 12/23/2023 with an acquisition date shown as 09/17/2025.

How many Oklo shares are outstanding according to the filing?

The filing reports 147,609,194 shares outstanding.

Did the filer report any sales in the past three months?

The filing states Nothing to Report for securities sold during the past three months.

Which broker is handling the proposed sale?

The named broker is Fidelity Brokerage Services LLC located at the address provided in the filing.