Oklo officer plans $10K Rule 144 stock sale

An Oklo Inc. officer filed a Rule 144 notice covering 238 Class A shares acquired via restricted stock vesting, with multiple prior sales disclosed.

Rhea-AI Filing Summary

Oklo Inc. (OKLO) is named as the issuer in a notice under Rule 144 filed for the account of officer Vivek Narayanadas. The filing covers a proposed sale of 238 Class A shares, which were acquired on September 3, 2026 through restricted stock vesting from the issuer as compensation. The notice also lists several prior sales of Oklo Class A shares by the same person over the preceding three months, showing ongoing liquidity activity in the stock.

Key Figures

Proposed shares to be sold: 238 shares Market value of proposed sale: $10,010.28 Largest recent sale: 3,264 shares +3 more

6 metrics

Proposed shares to be sold 238 shares Class A shares covered by the Rule 144 notice

Market value of proposed sale $10,010.28 Aggregate market value reported for the 238 Class A shares

Largest recent sale 3,264 shares Class A shares sold on August 24, 2026

Proceeds from largest recent sale $129,810.91 Aggregate proceeds from 3,264 shares sold on August 24, 2026

Other notable recent sale 935 shares Class A shares sold on July 17, 2026

Proceeds from 935-share sale $38,877.49 Aggregate proceeds from shares sold on July 17, 2026

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Class A | 09/03/2026 | Restricted Stock Vesting | Issuer"

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.

attorney-in-fact regulatory

"as attorney-in-fact for Vivek Narayanadas"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing disclose for Oklo Inc. (OKLO)?

The filing discloses that an Oklo Inc. officer, Vivek Narayanadas, filed a notice under Rule 144 for a potential sale of 238 Class A shares acquired on September 3, 2026 via restricted stock vesting as compensation from the issuer.

How many Oklo (OKLO) shares are covered by the new Rule 144 notice?

The notice covers a proposed sale of 238 Class A shares of Oklo Inc. These shares were acquired on September 3, 2026 through restricted stock vesting from the issuer as compensation.

What prior Oklo (OKLO) share sales by the officer are reported?

The filing lists prior sales over the past three months, including 3,264 shares for $129,810.91 on August 24, 2026 and 935 shares for $38,877.49 on July 17, 2026, along with several smaller transactions in June, July, August, and early September 2026.

Who is selling the Oklo (OKLO) shares under this Form 144?

The shares are for the account of Vivek Narayanadas, identified as an officer of Oklo Inc. The Form 144 is signed by Margaret Campbell as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for Narayanadas.

Through which broker are the Oklo (OKLO) shares held for this Rule 144 filing?

The Class A shares referenced in the notice are held at Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island, which is acting in connection with the Rule 144 sale for the account of the Oklo officer.

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

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Available on EDGAR 09/08/2026 - 10:27 AM EDT Accepted by SEC EDGAR 09/08/2026 - 10:26 AM 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	0002146790
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	Narayanadas Vivek
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	238	10010.28	186017650	09/08/2026	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	09/03/2026	Restricted Stock Vesting	Issuer			238	09/03/2026	Compensation

* 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
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	06/08/2026	536	31285.84
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	06/09/2026	239	14000.62
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	07/17/2026	935	38877.49
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	07/20/2026	411	16941.42
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	08/24/2026	3264	129810.91
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	08/25/2026	223	9098.40
Vivek Narayanadas 3190 Coronado Dr. Santa Clara CA 95054	Class A	09/04/2026	538	21455.12

144: Remarks and Signature

Remarks
Date of Notice	09/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	04/02/2026
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/ Margaret Campbell, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Vivek Narayanadas
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)