William Carroll Murphy Goodwin - 28 Nov 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Role
Chief Legal & Strategy Officer
Signature
/s/ Richard Craig Bealmear, Attorney-in-Fact
Issuer symbol
OKLO
Transactions as of
28 Nov 2025
Net transactions value
-$518,518
Form type
4
Filing time
02 Dec 2025, 18:29:04 UTC
Previous filing
20 Nov 2025
Next filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Goodwin William Carroll Murphy Chief Legal & Strategy Officer C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA /s/ Richard Craig Bealmear, Attorney-in-Fact 02 Dec 2025 0002080717

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OKLO Class A Common Stock Options Exercise +10,000 +114% 18,750 28 Nov 2025 Direct F1
transaction OKLO Class A Common Stock Options Exercise +734 +3.9% 19,484 28 Nov 2025 Direct F1
transaction OKLO Class A Common Stock Sale $518,518 -5,864 -30% $88.42 13,620 01 Dec 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction OKLO Restricted Stock Units Options Exercise $0 -10,000 -100% $0.000000 0 28 Nov 2025 Class A Common Stock 10,000 Direct F1, F3
transaction OKLO Restricted Stock Units Options Exercise $0 -734 -33% $0.000000 1,468 28 Nov 2025 Class A Common Stock 734 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. On November 28, 2025, an aggregate of 10,734 RSUs were released to the Reporting Person.
F2 Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs listed in Table II. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
F3 On February 3, 2025, the Reporting Person was granted 10,000 RSUs, vesting in full as to all the underlying shares on November 29, 2025.
F4 On January 22, 2025, the Reporting Person was granted 2,202 RSUs, vesting in three substantially equal annual installments beginning on November 29, 2025.