STOCK TITAN

Oklo CPO receives 1,202 shares from RSU vesting

Oklo’s chief product officer had 1,202 RSUs settle into Class A shares, updating her direct and joint ownership positions.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Oklo Inc. (OKLO) reported that Chief Product Officer Alexandra Renner settled 1,202 Restricted Stock Units into an equal number of shares of Class A Common Stock on September 13, 2026, as part of a previously granted equity award. This transaction was an exercise of RSUs rather than an open-market trade and no Rule 10b5-1 trading plan is reported. After the settlement, she holds 476,224 Class A Common shares directly, 123,153 shares in a joint account with her spouse, and 129,642 RSUs remaining from a March 13, 2025 grant of 51,659 RSUs that vest over time.

Positive

  • None.

Negative

  • None.
Insider Renner Alexandra
Role Chief Product Officer
Type Security Shares Price Value
Exercise Restricted Stock Units F1, F2 1,202 $0.00 $0.00
Exercise Class A Common Stock F1 1,202 -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 129,642 contracts (Direct); Class A Common Stock — 476,224 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 March 13, 2025, the Reporting Person was granted 51,659 RSUs, vesting as to 20% of the underlying shares on March 13, 2026 and continuing to vest thereafter in 48 substantially equal quarterly installments. On September 13, 2026, 1,202 RSUs were distributed.
RSUs settled into shares 1,202 units Restricted Stock Units distributed and converted into Class A Common Stock on September 13, 2026
Direct Class A Common holdings 476,224 shares Direct ownership reported after the September 13, 2026 RSU settlement
Indirect Class A Common holdings 123,153 shares Held in a joint account with spouse after the reported transactions
Remaining RSUs 129,642 units Restricted Stock Units reported as outstanding after the September 13, 2026 distribution
Original RSU grant 51,659 units Grant awarded on March 13, 2025 to Alexandra Renner
Initial cliff vesting percentage 20% Portion of RSU underlying shares vesting on March 13, 2026
Quarterly vesting installments 48 installments Number of substantially equal quarterly installments following the initial vesting date
Restricted Stock Units financial
"Each restricted stock unit ("RSU") represents a contingent right to receive one share"
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
"Each restricted stock unit ("RSU") 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.
contingent right financial
"represents a contingent right to receive one share of the Issuer's Class A Common Stock."
vesting financial
"vesting as to 20% of the underlying shares on March 13, 2026 and continuing to vest thereafter"
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.
substantially equal quarterly installments financial
"continuing to vest thereafter in 48 substantially equal quarterly installments."
joint account with spouse financial
"Indirect ownership is described as held in a joint account with spouse."

FAQ

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

What insider transaction did Oklo (OKLO) disclose for Alexandra Renner on September 13, 2026?

Alexandra Renner settled 1,202 Restricted Stock Units into 1,202 shares of Oklo Class A Common Stock on September 13, 2026, as part of an existing RSU award, with no open-market purchase or sale reported.

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

Following the September 13, 2026 RSU settlement, Alexandra Renner directly owns 476,224 shares of Oklo Class A Common Stock, according to the filing’s reported post-transaction holdings.

What indirect Oklo (OKLO) holdings does Alexandra Renner report after the RSU settlement?

In addition to her direct holdings, Alexandra Renner reports 123,153 shares of Oklo Class A Common Stock held indirectly in a joint account with her spouse, as disclosed in the ownership table.

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

On March 13, 2025, Alexandra Renner was granted 51,659 RSUs, vesting as to 20% of the underlying shares on March 13, 2026 and continuing to vest in 48 substantially equal quarterly installments thereafter, with 129,642 RSUs reported outstanding after the latest distribution.

Were Alexandra Renner’s Oklo (OKLO) transactions made under a Rule 10b5-1 trading plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not marked, and the footnotes describe the RSU vesting and distribution terms only, so no Rule 10b5-1 trading plan is reported for these transactions.

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

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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)
09/13/2026
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 Stock09/13/2026M1,202A(1)476,224D
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)09/13/2026M1,202 (2) (2)Class A Common Stock1,202$0129,642D
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 March 13, 2025, the Reporting Person was granted 51,659 RSUs, vesting as to 20% of the underlying shares on March 13, 2026 and continuing to vest thereafter in 48 substantially equal quarterly installments. On September 13, 2026, 1,202 RSUs were distributed.
Remarks:
/s/ Richard Craig Bealmear, Attorney-in-Fact09/15/2026
** 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)

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