Richard Craig Bealmear - 17 Dec 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Role
Chief Financial Officer
Signature
/s/ Richard Craig Bealmear
Issuer symbol
OKLO
Transactions as of
17 Dec 2025
Net transactions value
-$5,395,623
Form type
4
Filing time
19 Dec 2025, 20:57:46 UTC
Previous filing
19 Sep 2025
Next filing
17 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bealmear Richard Craig Chief Financial Officer C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA /s/ Richard Craig Bealmear 19 Dec 2025 0001855623

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OKLO Class A Common Stock Options Exercise $477,000 +150,000 +123% $3.18 271,913 17 Dec 2025 Direct
transaction OKLO Class A Common Stock Sale $5,475,534 -69,841 -26% $78.40 202,072 17 Dec 2025 Direct
transaction OKLO Class A Common Stock Sale $397,088 -5,159 -2.6% $76.97 196,913 18 Dec 2025 Direct

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 Stock Options Options Exercise $0 -150,000 -13% $0.000000 975,759 17 Dec 2025 Class A Common Stock 150,000 $3.18 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments.