Oklo officer plans 538-share sale worth $21K

Oklo Inc. (OKLO) is the issuer for a notice under Rule 144 filed for the account of officer Vivek Narayanadas, indicating an intention to sell 538 shares of Class A common stock through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

Oklo Inc. (OKLO) is the issuer for a notice under Rule 144 filed for the account of officer Vivek Narayanadas, indicating an intention to sell 538 shares of Class A common stock through Fidelity Brokerage Services LLC. The notice reports prior open-market sales over the past three months and states that the current sale includes shares needed to cover a tax obligation from a vested equity award.

Key Figures

Shares to be sold: 538 shares Aggregate market value of shares to be sold: $21,455.12 Shares outstanding: 186,017,650 shares +3 more

6 metrics

Shares to be sold 538 shares Proposed Rule 144 sale of Oklo Inc. Class A common stock

Aggregate market value of shares to be sold $21,455.12 Value of the 538 Class A shares covered by the notice

Shares outstanding 186,017,650 shares Oklo Inc. Class A shares outstanding as referenced in the notice

Prior sale on June 8, 2026 536 shares for $31,285.84 Reported Class A sale by Vivek Narayanadas during the past 3 months

Prior sale on July 17, 2026 935 shares for $38,877.49 Reported Class A sale by Vivek Narayanadas during the past 3 months

Prior sale on August 24, 2026 3,264 shares for $129,810.91 Largest reported single Class A sale in the past 3 months

Key Terms

Rule 144, Restricted Stock Vesting, vested equity award distribution, tax obligation

4 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.

vested equity award distribution financial

"resulting from the settlement of a vested equity award distribution."

tax obligation financial

"includes an amount necessary to cover a tax obligation resulting"

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 officer Vivek Narayanadas intends to sell 538 Class A shares of Oklo Inc. under Rule 144 through Fidelity Brokerage Services LLC, with part of the sale covering a tax obligation from settlement of a vested equity award.

How many Oklo Inc. (OKLO) shares are proposed to be sold in this Form 144?

The notice covers a proposed sale of 538 shares of Oklo Inc. Class A common stock. These shares are associated with a Restricted Stock Vesting event and include an amount to satisfy a related tax obligation.

What prior Oklo Inc. (OKLO) share sales are reported in the past 3 months?

The notice lists multiple prior Class A share sales by Vivek Narayanadas, including 535 shares on June 8, 2026, 935 shares on July 17, 2026, and 3,264 shares on August 24, 2026, along with several smaller transactions on nearby dates.

What is the stated purpose of the current Oklo Inc. (OKLO) share sale?

The remarks state that the sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution, indicating part of the sale is for tax-payment purposes.

How many Oklo Inc. (OKLO) Class A shares are indicated as outstanding in the filing?

The Form 144 indicates that there are 186,017,650 Class A shares of Oklo Inc. outstanding, providing context for the relative size of the proposed 538-share sale.

Which broker is handling the proposed Oklo Inc. (OKLO) Rule 144 sale?

The proposed sale of 538 Class A shares is to be executed through Fidelity Brokerage Services LLC, identified with its address in Smithfield, Rhode Island, as the broker for the transaction.

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

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Available on EDGAR 09/04/2026 - 03:50 PM EDT Accepted by SEC EDGAR 09/04/2026 - 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	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	538	21455.12	186017650	09/04/2026	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			538	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

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	09/04/2026
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/ Daniel Tucci, 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)