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Oklo chief of staff exercises 961 RSUs into shares

Oklo’s Chief of Staff converted vested RSUs into Class A shares, leaving sizable stock and RSU holdings.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Oklo Inc. insider John Hanson, the company’s Chief of Staff, exercised 961 Restricted Stock Units into 961 shares of Class A Common Stock on September 13, 2026. Following the transaction, he held 360,391 Class A shares and 55,121 RSUs directly. No Rule 10b5-1 trading plan is reported.

Positive

  • None.

Negative

  • None.
Insider Hanson John
Role Chief of Staff
Type Security Shares Price Value
Exercise Restricted Stock Units F1, F2 961 $0.00 $0.00
Exercise Class A Common Stock F1 961 -- --
Holdings After Transaction: Restricted Stock Units — 55,121 contracts (Direct); Class A Common Stock — 360,391 shares (Direct)
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 57,665 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, 961 RSUs were distributed.
RSUs exercised 961 units RSUs converted to Class A Common Stock on September 13, 2026
Class A shares acquired 961 shares Shares received from RSU distribution on September 13, 2026
Class A shares held after transaction 360,391 shares Direct holdings of John Hanson after the RSU exercise
RSUs held after transaction 55,121 units Remaining Restricted Stock Units directly held by John Hanson
Original RSU grant 57,665 units RSUs granted to John Hanson on March 13, 2025
Initial cliff vesting 20% of underlying shares Portion of RSU grant vesting on March 13, 2026
Remaining vesting installments 48 quarterly installments Schedule for RSUs vesting after March 13, 2026
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
"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.
Rule 10b5-1 regulatory
"The filing indicates no Rule 10b5-1 trading plan for these transactions"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
contingent right financial
"represents a contingent right to receive one share of the Issuer's Class A"

FAQ

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

What transaction did Oklo (OKLO) insider John Hanson report on this Form 4?

He exercised 961 Restricted Stock Units into 961 shares of Oklo Class A Common Stock on September 13, 2026, moving those units into directly held common shares.

How many Oklo (OKLO) Class A shares does John Hanson hold after this transaction?

After the transaction, John Hanson directly holds 360,391 shares of Oklo Class A Common Stock, according to the reported post-transaction share balance.

How many Restricted Stock Units does John Hanson still hold in Oklo (OKLO)?

Following the September 13, 2026 distribution, John Hanson holds 55,121 Restricted Stock Units (RSUs) that each represent a contingent right to receive one Oklo Class A share.

Was John Hanson’s Oklo (OKLO) RSU exercise made under a Rule 10b5-1 trading plan?

The filing indicates no Rule 10b5-1 trading plan for these transactions; the document-level 10b5-1 checkbox is reported as unchecked.

What is the vesting schedule of John Hanson’s Oklo (OKLO) RSU grant mentioned in the filing?

On March 13, 2025, he was granted 57,665 RSUs, vesting 20% on March 13, 2026 with the remainder continuing to vest in 48 substantially equal quarterly installments. On September 13, 2026, 961 RSUs from this grant were distributed.

What does each RSU granted to John Hanson by Oklo (OKLO) represent?

Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Oklo’s Class A Common Stock, as described in the footnote to the reported 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*
Hanson John

(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 of Staff
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 Stock09/13/2026M961A(1)360,391D
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)09/13/2026M961 (2) (2)Class A Common Stock961$055,121D
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 57,665 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, 961 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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