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  4. [Form 4] Oklo Inc. Insider Trading Activity

Oklo (OKLO) CFO reports option exercise and share sales in Form 4

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Oklo Inc.'s Chief Financial Officer reported several equity transactions in company stock. On December 17, 2025, the CFO exercised stock options to acquire 150,000 shares of Class A common stock at an exercise price of $3.18 per share. That same day, the CFO sold 69,841 shares at a price of $78.4 per share, followed by an additional sale of 5,159 shares on December 18, 2025 at $76.97 per share.

After these transactions, the CFO beneficially owned 196,913 shares of Class A common stock directly. The report also shows 975,759 stock options remaining beneficially owned, with the referenced option grant vesting 20% of the underlying shares on August 1, 2024 and the rest in 48 substantially equal monthly installments until expiration on August 1, 2033.

Positive

  • None.

Negative

  • None.
Insider Bealmear Richard Craig
Role Chief Financial Officer
Sold 75,000 shs ($5.87M)
Type Security Shares Price Value
Sale Class A Common Stock 5,159 $76.97 $397K
Exercise Stock Options 150,000 $0.00 --
Exercise Class A Common Stock 150,000 $3.18 $477K
Sale Class A Common Stock 69,841 $78.40 $5.48M
Holdings After Transaction: Class A Common Stock — 196,913 shares (Direct); Stock Options — 975,759 shares (Direct)
Footnotes (1)
  1. [object Object]
Form 4 Insider Transactions: What Each Field Means →
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*
Bealmear Richard Craig
(Last) (First) (Middle)
C/O OKLO INC.
3190 CORONADO DR.
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
12/17/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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 12/17/2025 M 150,000 A $3.18 271,913 D
Class A Common Stock 12/17/2025 S 69,841 D $78.4 202,072 D
Class A Common Stock 12/18/2025 S 5,159 D $76.97 196,913 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
Stock Options $3.18 12/17/2025 M 150,000 (1) 08/01/2033 Class A Common Stock 150,000 $0 975,759 D
Explanation of Responses:
1. The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments.
/s/ Richard Craig Bealmear 12/19/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Oklo (OKLO) report for its CFO?

The CFO of Oklo Inc. reported exercising options for 150,000 shares of Class A common stock at an exercise price of $3.18, followed by open-market sales of 69,841 shares on December 17, 2025 and 5,159 shares on December 18, 2025.

At what prices did the Oklo (OKLO) CFO sell Class A common stock?

The CFO sold 69,841 shares of Oklo Class A common stock at $78.4 per share on December 17, 2025 and 5,159 shares at $76.97 per share on December 18, 2025.

How many Oklo (OKLO) shares does the CFO own after these transactions?

Following the reported transactions, the CFO beneficially owned 196,913 shares of Oklo Class A common stock held directly.

How many stock options does the Oklo (OKLO) CFO still hold?

After the option exercise reported, the CFO beneficially owned 975,759 stock options with an exercise price of $3.18 per share.

What are the vesting terms of the Oklo (OKLO) CFO stock option grant?

The referenced stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest in 48 substantially equal monthly installments until its expiration on August 1, 2033.

What role does the reporting person hold at Oklo (OKLO)?

The reporting person is an officer of Oklo Inc., serving as the company’s Chief Financial Officer.