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Oklo Inc. (OKLO) CPO Alexandra Renner details stock and RSU positions

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(Neutral)
Form Type
3

Rhea-AI Filing Summary

Oklo Inc. reports beneficial ownership for Chief Product Officer Alexandra Renner. She holds 472,135 shares of Class A Common Stock directly and 123,153 shares indirectly through a joint account with her spouse. The filing also lists a stock option covering 136,393 underlying shares at an exercise price of $3.1800 per share, expiring in 2033, plus multiple restricted stock unit awards over Class A Common Stock that vest over time in annual and quarterly installments as described.

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Insider Renner Alexandra
Role Chief Product Officer
Type Security Shares Price Value
holding Stock Option F1 -- -- --
holding Restricted Stock Units F3, F2 -- -- --
holding Restricted Stock Units F3, F4 -- -- --
holding Restricted Stock Units F3, F5 -- -- --
holding Restricted Stock Units F3, F6 -- -- --
holding Restricted Stock Units F3, F7 -- -- --
holding Restricted Stock Units F3, F8 -- -- --
holding Restricted Stock Units F3, F9 -- -- --
holding Restricted Stock Units F3, F10 -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Stock Option — 136,393 shares (Direct); Restricted Stock Units — 139,851 shares (Direct); Class A Common Stock — 472,135 shares (Direct); Class A Common Stock — 123,153 shares (Indirect, Joint account with spouse)
Footnotes (10)
  1. F1. The stock option vested as to 20% of the underlying shares on December 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments. On August 1, 2026, 4,546 stock options vested.
  2. F2. The restricted stock units vest in three substantially equal annual installments beginning on March 31, 2027.
  3. F3. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
  4. F4. The restricted stock units vest in 12 substantially equal quarterly installments beginning on August 27, 2026.
  5. F5. The restricted stock units vest in twelve substantially equal quarterly installments, which began on July 13, 2026.
  6. F6. The restricted stock units vest in full on March 8, 2027.
  7. F7. The restricted stock units vest in three substantially equal annual installments, which began on March 6, 2026.
  8. F8. The restricted stock units vest in full on September 26, 2026.
  9. F9. The restricted stock units vested as to 20% of the underlying shares on March 13, 2026 and continue to vest thereafter in 48 substantially equal monthly installments.
  10. F10. The restricted stock units vest in three substantially equal annual installments, which began on November 29, 2025.
Direct Class A Common Stock 472,135 shares Shares of Class A Common Stock held directly as of 2026-07-27
Indirect Class A Common Stock 123,153 shares Shares of Class A Common Stock held indirectly via joint account with spouse as of 2026-07-27
Stock option underlying shares 136,393 shares Underlying Class A Common Stock for stock option expiring 2033-12-22
Stock option exercise price $3.1800 per share Exercise price for stock option on Class A Common Stock
RSU award underlying shares 52,174 shares One restricted stock unit award over Class A Common Stock
RSU award underlying shares 52,860 shares Another restricted stock unit award over Class A Common Stock
RSU vesting installment 4,546 units Number of stock options vesting on 2026-08-01 under the option’s schedule
Restricted Stock Units financial
"The restricted stock units vest in three substantially equal annual installments beginning on March 31, 2027."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Stock Option financial
"The stock option vested as to 20% of the underlying shares on December 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.
Class A Common Stock financial
"Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock."
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

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

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FAQ

What Class A Common Stock holdings does Alexandra Renner report in Oklo (OKLO)?

Alexandra Renner reports holding 472,135 Oklo Class A Common shares directly and 123,153 shares indirectly through a joint account with her spouse. These figures describe her ownership positions rather than any new market purchases or sales.

What stock option position in Oklo (OKLO) does Alexandra Renner disclose?

She discloses a stock option over 136,393 shares of Oklo Class A Common Stock with a $3.1800 exercise price, expiring 2033-12-22. Footnotes note 20% vested on December 1, 2024, continuing in 48 monthly installments, with 4,546 options vesting on August 1, 2026.

What restricted stock unit (RSU) awards in Oklo (OKLO) stock are reported?

The filing lists several RSU awards, each RSU representing one share of Oklo Class A Common Stock. Individual awards cover 3,633, 52,174, 17,489, 5,502, 4,070, 2,471, 52,860, and 1,652 underlying shares, respectively.

How do Alexandra Renner’s Oklo (OKLO) restricted stock units vest?

Vesting schedules vary across awards. Some RSUs vest in three equal annual installments, others in twelve equal quarterly installments, and some vest in full on specific dates such as March 8, 2027 or September 26, 2026, as described in the footnotes.

Does the Oklo (OKLO) Form 3 show any share purchases or sales by Alexandra Renner?

The Form 3 lists holdings of common stock, options, and RSUs but shows no reported purchase or sale transactions. Transaction summaries indicate zero buy and sell entries, reflecting only existing beneficial ownership positions as of the reported date.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Renner Alexandra

(Last)(First)(Middle)
C/O OKLO INC.
3190 CORONADO DRIVE

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
07/27/2026
3. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Product Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock472,135D
Class A Common Stock123,153IJoint account with spouse
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (1)12/22/2033Class A Common Stock136,393$3.18D
Restricted Stock Units (2) (2)Class A Common Stock3,633(3)D
Restricted Stock Units (4) (4)Class A Common Stock52,174(3)D
Restricted Stock Units (5) (5)Class A Common Stock17,489(3)D
Restricted Stock Units (6) (6)Class A Common Stock5,502(3)D
Restricted Stock Units (7) (7)Class A Common Stock4,070(3)D
Restricted Stock Units (8) (8)Class A Common Stock2,471(3)D
Restricted Stock Units (9) (9)Class A Common Stock52,860(3)D
Restricted Stock Units (10) (10)Class A Common Stock1,652(3)D
Explanation of Responses:
1. The stock option vested as to 20% of the underlying shares on December 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments. On August 1, 2026, 4,546 stock options vested.
2. The restricted stock units vest in three substantially equal annual installments beginning on March 31, 2027.
3. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
4. The restricted stock units vest in 12 substantially equal quarterly installments beginning on August 27, 2026.
5. The restricted stock units vest in twelve substantially equal quarterly installments, which began on July 13, 2026.
6. The restricted stock units vest in full on March 8, 2027.
7. The restricted stock units vest in three substantially equal annual installments, which began on March 6, 2026.
8. The restricted stock units vest in full on September 26, 2026.
9. The restricted stock units vested as to 20% of the underlying shares on March 13, 2026 and continue to vest thereafter in 48 substantially equal monthly installments.
10. The restricted stock units vest in three substantially equal annual installments, which began on November 29, 2025.
Remarks:
/s/ Richard Craig Bealmear, Attorney-in-Fact08/04/2026
** 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 5 (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 3: SEC 1473 (03-26)