Oklo Inc. director sells 6,354 shares at $36.67

Oklo Inc. director John M. Jansen reported selling 6,354 shares of Class A Common Stock on September 14, 2026 in an open market or private transaction at $36.67 per share.

Rhea-AI Filing Summary

Oklo Inc. director John M. Jansen reported selling 6,354 shares of Class A Common Stock on September 14, 2026 in an open market or private transaction at $36.67 per share. After this sale, he directly holds 6,000 shares, and no Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Net Seller: 6,354 shares

Net Sell 1 txn

Insider Jansen John M

Role Director

Sold 6,354 shs ($233K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	6,354	$36.67	$233K

Holdings After Transaction: Class A Common Stock — 6,000 shares (Direct)

Footnotes (1)

1. F1. For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.

Key Figures

Shares sold: 6,354 shares Sale price per share: $36.67 per share Shares held after transaction: 6,000 shares

3 metrics

Shares sold 6,354 shares Sale of Class A Common Stock reported for September 14, 2026

Sale price per share $36.67 per share Price for the 6,354 Class A shares sold on September 14, 2026

Shares held after transaction 6,000 shares Direct holdings of John M. Jansen after the reported sale

Key Terms

open market or private transaction, Rule 10b5-1 trading plan, definitive proxy statement

3 terms

open market or private transaction financial

"Sale of Class A Common Stock in an open market or private transaction"

Rule 10b5-1 trading plan regulatory

"No Rule 10b5-1 trading plan is reported for this sale"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

definitive proxy statement regulatory

"see the Issuer's most recent definitive proxy statement filed"

A Definitive Proxy Statement is a detailed document that a company sends to its shareholders before a big meeting, like voting on important decisions. It explains what's being voted on and gives important information so shareholders can make informed choices. It matters because it helps shareholders understand and participate in key company decisions.

FAQ

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

What insider transaction did Oklo Inc. (OKLO) disclose for John M. Jansen?

Oklo Inc. disclosed that director John M. Jansen sold 6,354 shares of Class A Common Stock on September 14, 2026 in an open market or private transaction at $36.67 per share.

How many OKLO shares did John M. Jansen sell and at what price?

John M. Jansen sold 6,354 shares of Oklo Inc. Class A Common Stock at a price of $36.67 per share on September 14, 2026.

How many Oklo Inc. (OKLO) shares does John M. Jansen hold after this transaction?

After the reported sale, John M. Jansen directly holds 6,000 shares of Oklo Inc. Class A Common Stock, as stated in the filing.

Was John M. Jansen’s OKLO share sale made under a Rule 10b5-1 plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported in connection with John M. Jansen’s sale of Oklo Inc. shares.

What type of transaction was reported for Oklo Inc. (OKLO) shares?

The filing describes the event as a sale of Class A Common Stock in an open market or private transaction on September 14, 2026 by director John M. Jansen.

Where can investors find more detail on John M. Jansen’s equity in Oklo Inc. (OKLO)?

A footnote states that additional information about equity held by John M. Jansen is available in Oklo Inc.’s most recent definitive proxy statement filed with the Securities and Exchange Commission.

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

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Available on EDGAR 09/15/2026 - 04:28 PM Accepted by SEC EDGAR 09/15/2026 - 04:27 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Jansen John M

(Last) (First) (Middle)

C/O OKLO INC.

3190 CORONADO DR.

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	09/14/2026		S		6,354	D	$36.67	6,000(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	09/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)