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Oklo (OKLO) CFO sells 16,342 shares under Rule 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported an exercise-and-sell sequence involving company stock. He exercised stock options covering 22,096 shares of Class A common stock at an exercise price of $3.18 per share on April 1 and 2, 2026. On April 1, he then sold 16,342 shares of Class A common stock at an average price of $51.08 per share, with the sale carried out under a pre-arranged Rule 10b5-1 trading plan adopted on September 22, 2025. After these transactions, he directly owned 386,008 shares of Class A common stock and held 824,499 stock options following the reported option exercises.

Positive

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Negative

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Insider Bealmear Richard Craig
Role Chief Financial Officer
Sold 16,342 shs ($835K)
Type Security Shares Price Value
Exercise Stock Options 5,754 $0.00 --
Exercise Class A Common Stock 5,754 $3.18 $18K
Exercise Stock Options 16,342 $0.00 --
Exercise Class A Common Stock 16,342 $3.18 $52K
Sale Class A Common Stock 16,342 $51.08 $835K
Holdings After Transaction: Stock Options — 824,499 shares (Direct); Class A Common Stock — 391,762 shares (Direct)
Footnotes (1)
  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. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on September 22, 2025. The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter in 47 substantially equal monthly installments. 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.
Options exercised 22,096 shares Stock option exercises on April 1–2, 2026
Exercise price $3.18 per share Strike price for exercised stock options
Shares sold 16,342 shares Open-market sale of Class A common stock on April 1, 2026
Sale price $51.08 per share Average price for sold Class A common stock
Common shares after 386,008 shares Direct Class A common stock held after transactions
Stock options after 824,499 options Stock options held after reported exercises
Option expiration December 22, 2033 Expiration date for reported stock options
10b5-1 plan adoption September 22, 2025 Adoption date of trading plan governing sales
Rule 10b5-1 plan financial
"The sales reported herein were effected 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.
stock option financial
"The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter..."
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
open-market sale financial
"Sale in open market or private transaction"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
derivative security financial
"Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
vesting financial
"continues to vest thereafter in 47 substantially equal monthly installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock04/01/2026M16,342A$3.18402,350(1)D
Class A Common Stock04/01/2026S(2)16,342D$51.08386,008(1)D
Class A Common Stock04/02/2026M5,754A$3.18391,762D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options$3.1804/01/2026M16,342 (3)12/22/2033Class A Common Stock16,342$0830,253D
Stock Options$3.1804/02/2026M5,754 (4)12/22/2033Class A Common Stock5,754$0824,499D
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 sales 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 47 substantially equal monthly installments.
4. 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 Bealmear04/03/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Oklo (OKLO) CFO Richard Bealmear do in this Form 4 filing?

Oklo CFO Richard Bealmear exercised stock options for 22,096 shares at $3.18 and sold 16,342 shares of Class A common stock at $51.08. These transactions were reported as part of his direct holdings in the company.

How many Oklo (OKLO) shares did the CFO sell and at what price?

The CFO sold 16,342 shares of Oklo Class A common stock at an average price of $51.08 per share. This disposition followed option exercises and was executed as an open-market sale according to the Form 4 data.

How many Oklo (OKLO) stock options did the CFO exercise and at what strike price?

He exercised stock options covering a total of 22,096 underlying shares of Oklo Class A common stock at an exercise price of $3.18 per share. These exercises occurred on April 1 and April 2, 2026, according to the reported transactions.

Was the Oklo (OKLO) CFO’s share sale part of a Rule 10b5-1 trading plan?

Yes. A footnote states the sales were effected under a Rule 10b5-1 trading plan adopted on September 22, 2025. Such plans pre-schedule trades, indicating the timing was set in advance rather than decided opportunistically.

What are the Oklo (OKLO) CFO’s holdings after these transactions?

Following the reported transactions, the CFO directly held 386,008 shares of Oklo Class A common stock and 824,499 stock options. These figures reflect his position immediately after the April 1–2, 2026 option exercises and related sale.

When do the Oklo (OKLO) CFO’s stock options reported here expire?

The stock options involved in these transactions carry an expiration date of December 22, 2033. Footnotes explain they began vesting on August 1, 2024, with the remaining portions vesting in substantially equal monthly installments thereafter.