Oklo CFO Richard Craig Bealmear sells 16,727 shares

The option footnote says 20% of the underlying shares vested on August 1, 2024, with continued vesting in 48 substantially equal monthly installments.

Available on EDGAR 11/04/2026 - 04:18 PM EST Accepted by SEC EDGAR 11/04/2026 - 04:18 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Richard Craig Bealmear, Oklo Inc.’s Chief Financial Officer, exercised 16,727 stock options on November 2, 2026, at $3.18 per share and sold 16,727 Class A common shares that day at $25.55 per share. The sale was made under a Rule 10b5-1 plan adopted September 22, 2025. On November 3, 2026, he exercised another 5,369 stock options at $3.18 per share, acquiring 5,369 Class A common shares.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 5 txns

Insider Bealmear Richard Craig

Role Chief Financial Officer

Sold 16,727 shs ($427K)

Approx. gross sale proceeds $427K

Approx. exercise cost $70K

Type	Security	Shares	Price	Value
Exercise	Stock Options F3	5,369	--	--
Exercise	Class A Common Stock F1	5,369	$3.18	$17K
Exercise	Stock Options F3	16,727	--	--
Exercise	Class A Common Stock F1	16,727	$3.18	$53K
Sale	Class A Common Stock F2, F1	16,727	$25.55	$427K

Holdings After Transaction: Stock Options — 569,827 contracts (Direct); Class A Common Stock — 472,630 shares (Direct)

Footnotes (3)

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.
2. F2. The transactions reported herein were effected pursuant to a Rule 10b5-1 plan adopted on September 22, 2025.
3. F3. 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.

Key Figures

Stock options exercised: 16,727 options Exercise price: $3.18 per share Class A common shares sold: 16,727 shares +2 more

5 metrics

Stock options exercised 16,727 options November 2, 2026

Exercise price $3.18 per share Options exercised November 2, 2026

Class A common shares sold 16,727 shares November 2, 2026

Sale price $25.55 per share Sale on November 2, 2026

Stock options exercised 5,369 options November 3, 2026

Key Terms

Rule 10b5-1 plan, vested as to 20%, substantially equal monthly installments

3 terms

Rule 10b5-1 plan regulatory

"pursuant to a Rule 10b5-1 plan adopted on September 22, 2025"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

vested as to 20% financial

"vested as to 20% of the underlying shares"

substantially equal monthly installments financial

"in 48 substantially equal monthly installments"

FAQ

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

What vesting schedule applied to Richard Craig Bealmear’s OKLO stock options?

The options vested as to 20% of the underlying shares on August 1, 2024, and continued to vest thereafter in 48 substantially equal monthly installments.

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

Form 4 Insider Transactions: What Each Field Means →

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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).

X

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 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026

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	11/02/2026		M		16,727	A	$3.18	483,988(1)	D
Class A Common Stock	11/02/2026		S(2)		16,727	D	$25.55	467,261(1)	D
Class A Common Stock	11/03/2026		M		5,369	A	$3.18	472,630(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
Stock Options	$3.18	11/02/2026		M			16,727	(3)	12/22/2033	Class A Common Stock	16,727	(3)	575,196	D
Stock Options	$3.18	11/03/2026		M			5,369	(3)	12/22/2033	Class A Common Stock	5,369	(3)	569,827	D

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.

2. The transactions reported herein were effected pursuant to a Rule 10b5-1 plan adopted on September 22, 2025.

3. 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.

Remarks:

	/s/ Richard Craig Bealmear	11/04/2026
	** 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)