STOCK TITAN

Oklo product chief exercises 4,173 RSUs

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner exercised 4,173 Restricted Stock Units on August 31, 2026, receiving an equal number of Class A Common Stock shares.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner exercised 4,173 Restricted Stock Units on August 31, 2026, receiving an equal number of Class A Common Stock shares. Following this, she directly holds 47,,001 RSU-related shares and 476,952 Class A shares, plus 123,153 Class A shares held indirectly in a joint account with her spouse. The RSUs are part of a 52,174-unit grant awarded June 22, 2026, which began vesting August 27, 2026 and continues in 12 substantially equal quarterly installments.

Positive

  • None.

Negative

  • None.
Insider Renner Alexandra
Role Chief Product Officer
Type Security Shares Price Value
Exercise Restricted Stock Units F1, F2 4,173 $0.00 $0.00
Exercise Class A Common Stock F1 4,173 -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 48,001 contracts (Direct); Class A Common Stock — 476,952 shares (Direct); Class A Common Stock — 123,153 shares (Indirect, Joint account with spouse)
Footnotes (2)
  1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.
  2. F2. On June 22, 2026 the Reporting Person was granted 52,174 RSUs, vesting on August 27, 2026 and continuing to vest thereafter in 12 substantially equal quarterly installments. On August 31, 2026, 4,173 RSUs were distributed.
RSUs exercised/distributed 4,173 units RSUs distributed on August 31, 2026 and converted into Class A Common Stock
Direct Class A Common Stock holdings after transaction 476,952 shares Total direct Class A Common Stock owned by Alexandra Renner after August 31, 2026 transactions
Direct RSU-related holdings after transaction 48,001 units Total RSUs or equivalent derivative position following the RSU distribution transaction
Indirect Class A Common Stock holdings 123,153 shares Class A Common Stock held indirectly in a joint account with spouse
Total RSU grant 52,174 units RSUs granted to Alexandra Renner on June 22, 2026
Vesting start date August 27, 2026 Initial vesting date for the 52,174 RSU grant
Vesting installments 12 quarterly installments Remaining vesting schedule after the initial vesting date for the RSU grant
Restricted Stock Units financial
"Each restricted stock unit ("RSU") represents a contingent right to receive"
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.
Class A Common Stock financial
"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.
indirect ownership financial
"Class A Common Stock held indirectly in a joint account with spouse"
substantially equal quarterly installments financial
"continuing to vest thereafter in 12 substantially equal quarterly installments."

FAQ

What insider transaction did OKLO’s Chief Product Officer report on August 31, 2026?

On August 31, 2026, Oklo’s Chief Product Officer Alexandra Renner exercised 4,173 RSUs, receiving 4,173 shares of Class A Common Stock. The RSUs were part of a larger equity grant with a multi-year quarterly vesting schedule.

How many Oklo (OKLO) Class A shares does Alexandra Renner hold directly after this Form 4?

After the reported transactions, Alexandra Renner directly holds 476,952 shares of Oklo Class A Common Stock. This figure is disclosed as her total direct ownership following the RSU distribution on August 31, 2026.

What indirect Oklo (OKLO) holdings does Alexandra Renner report?

In addition to her direct holdings, Alexandra Renner reports 123,153 shares of Oklo Class A Common Stock held indirectly through a joint account with her spouse. This indirect ownership is reported separately from her direct position.

What is the size and vesting schedule of Alexandra Renner’s Oklo (OKLO) RSU grant?

On June 22, 2026, Alexandra Renner was granted 52,174 RSUs. The grant began vesting on August 27, 2026 and continues to vest in 12 substantially equal quarterly installments, as disclosed in the footnotes.

How many Oklo (OKLO) RSUs were distributed on August 31, 2026?

On August 31, 2026, 4,173 RSUs were distributed, resulting in the issuance of 4,173 shares of Oklo Class A Common Stock to Alexandra Renner. Each RSU represents a contingent right to receive one share.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
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*
Renner Alexandra

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

(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 Product Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026
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 Stock08/31/2026M4,173A(1)476,952D
Class A Common Stock123,153IJoint account with spouse
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
Restricted Stock Units(1)08/31/2026M4,173 (2) (2)Class A Common Stock4,173$048,001D
Explanation of Responses:
1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.
2. On June 22, 2026 the Reporting Person was granted 52,174 RSUs, vesting on August 27, 2026 and continuing to vest thereafter in 12 substantially equal quarterly installments. On August 31, 2026, 4,173 RSUs were distributed.
Remarks:
/s/ Richard Craig Bealmear, Attorney-in-Fact09/01/2026
** 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)