Oklo officer plans sale of 539 Class A shares

Oklo Inc. (OKLO) is the issuer of Class A common stock that John P. Hanson, an officer, has notified for potential sale under Rule 144.

Rhea-AI Filing Summary

Oklo Inc. (OKLO) is the issuer of Class A common stock that John P. Hanson, an officer, has notified for potential sale under Rule 144. The notice covers 539 Class A shares, associated with restricted stock vesting on 08/21/2026 and held at Fidelity Brokerage Services LLC.

The filing notes that the sale will include an amount necessary to cover a tax obligation arising from the settlement of a vested equity award distribution. It also lists recent sales by John P. Hanson over the prior three months in Oklo Class A shares, with multiple transactions between June and July 2026.

Key Figures

Shares covered by current notice: 539 shares of Class A Aggregate market value for 539 shares: 21436.30 Recent sale on 06/01/2026: 1,000 shares; 65000.00 +4 more

7 metrics

Shares covered by current notice 539 shares of Class A Securities to be sold under Rule 144 linked to restricted stock vesting on 08/21/2026

Aggregate market value for 539 shares 21436.30 Total dollar amount associated with 539 Class A shares listed for potential sale

Recent sale on 06/01/2026 1,000 shares; 65000.00 Class A shares sold by John P. Hanson on 06/01/2026 with total proceeds 65000.00

Recent sale on 06/15/2026 1,484 shares; 90254.70 Class A shares sold by John P. Hanson on 06/15/2026 with total proceeds 90254.70

Recent sale on 07/01/2026 1,000 shares; 53630.00 Class A shares sold by John P. Hanson on 07/01/2026 with total proceeds 53630.00

Recent sale on 07/17/2026 512 shares; 21289.06 Class A shares sold by John P. Hanson on 07/17/2026 with total proceeds 21289.06

Notice date 08/24/2026 Date of Notice for the Form 144 filed for Oklo Inc. shares

Key Terms

Rule 144, restricted stock vesting, vested equity award distribution, attorney-in-fact

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 | 08/21/2026 | 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."

attorney-in-fact regulatory

"as attorney-in-fact for John P. Hanson"

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

What does the Form 144 filing for OKLO disclose about John P. Hanson’s planned sale?

The filing states that officer John P. Hanson has notified the intent to sell 539 Class A shares of Oklo Inc. under Rule 144, tied to restricted stock vesting on 08/21/2026, with shares held at Fidelity Brokerage Services LLC.

How many OKLO Class A shares are covered by this Form 144 notice?

The notice covers 539 Class A shares of Oklo Inc. These shares are linked to a restricted stock vesting event dated 08/21/2026 and are held in an account at Fidelity Brokerage Services LLC.

What is the stated reason for John P. Hanson’s OKLO share sale in this Form 144?

The remarks explain that the sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution, indicating the transaction is connected to equity compensation vesting.

What prior OKLO stock sales by John P. Hanson are listed in the last three months?

The filing lists four prior Class A sales: 1,000 shares on 06/01/2026, 1,484 shares on 06/15/2026, 1,000 shares on 07/01/2026, and 512 shares on 07/17/2026, each with corresponding total dollar amounts received.

When is the notice date for this OKLO Form 144 by John P. Hanson?

The notice is dated 08/24/2026. This is the date on which the Form 144 was signed and submitted on behalf of John P. Hanson by a duly authorized representative of Fidelity Brokerage Services LLC acting as attorney-in-fact.

Who signed the Form 144 related to OKLO shares on behalf of John P. Hanson?

The Form 144 was signed by Jennifer Ruchti, described as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for John P. Hanson.

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

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Available on EDGAR 08/24/2026 - 03:54 PM Accepted by SEC EDGAR 08/24/2026 - 03:54 PM 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	0002146828
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	Hanson John
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	539	21436.30	186017650	08/24/2026	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	08/21/2026	Restricted Stock Vesting	Issuer			539	08/21/2026	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
John P. Hanson 3190 Coronado Dr. Santa Clara CA 95054	Class A	06/01/2026	1000	65000.00
John P. Hanson 3190 Coronado Dr. Santa Clara CA 95054	Class A	06/15/2026	1484	90254.70
John P. Hanson 3190 Coronado Dr. Santa Clara CA 95054	Class A	07/01/2026	1000	53630.00
John P. Hanson 3190 Coronado Dr. Santa Clara CA 95054	Class A	07/17/2026	512	21289.06

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	08/24/2026
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 John P. Hanson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)