Jacob DeWitte - 22 Dec 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Role
Co-Founder, CEO, Director, 10%+ Owner
Signature
/s/ Richard Craig Bealmear, Attorney-in-Fact
Issuer symbol
OKLO
Transactions as of
22 Dec 2025
Net transactions value
-$69,150,555
Form type
4
Filing time
23 Dec 2025, 21:31:35 UTC
Previous filing
02 Oct 2025
Next filing
29 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DeWitte Jacob Co-Founder, CEO, Director, 10%+ Owner C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA /s/ Richard Craig Bealmear, Attorney-in-Fact 23 Dec 2025 0002021433

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OKLO Class A Common Stock Sale $2,476,466 -30,635 -1.5% $80.84 1,969,365 22 Dec 2025 By Jacob DeWitte GRAT F2, F3
transaction OKLO Class A Common Stock Sale $11,654,186 -142,695 -7.2% $81.67 1,826,670 22 Dec 2025 By Jacob DeWitte GRAT F2, F4
transaction OKLO Class A Common Stock Sale $15,802,124 -191,284 -10% $82.61 1,635,386 22 Dec 2025 By Jacob DeWitte GRAT F2, F5
transaction OKLO Class A Common Stock Sale $3,563,999 -42,653 -2.6% $83.56 1,592,733 22 Dec 2025 By Jacob DeWitte GRAT F2, F6
transaction OKLO Class A Common Stock Sale $937,692 -11,090 -0.7% $84.55 1,581,643 22 Dec 2025 By Jacob DeWitte GRAT F2, F7
transaction OKLO Class A Common Stock Sale $140,809 -1,643 -0.1% $85.70 1,580,000 22 Dec 2025 By Jacob DeWitte GRAT F2, F8
transaction OKLO Class A Common Stock Sale $2,476,385 -30,634 -1.5% $80.84 1,969,366 22 Dec 2025 By Caroline Cochran GRAT F2, F3
transaction OKLO Class A Common Stock Sale $11,654,268 -142,696 -7.2% $81.67 1,826,670 22 Dec 2025 By Caroline Cochran GRAT F2, F4
transaction OKLO Class A Common Stock Sale $15,802,124 -191,284 -10% $82.61 1,635,386 22 Dec 2025 By Caroline Cochran GRAT F2, F5
transaction OKLO Class A Common Stock Sale $3,563,999 -42,653 -2.6% $83.56 1,592,733 22 Dec 2025 By Caroline Cochran GRAT F2, F6
transaction OKLO Class A Common Stock Sale $937,607 -11,089 -0.7% $84.55 1,581,644 22 Dec 2025 By Caroline Cochran GRAT F2, F7
transaction OKLO Class A Common Stock Sale $140,895 -1,644 -0.1% $85.70 1,580,000 22 Dec 2025 By Caroline Cochran GRAT F2, F8
holding OKLO Class A Common Stock 9,780,098 22 Dec 2025 Direct
holding OKLO Class A Common Stock 9,502,108 22 Dec 2025 By Caroline Cochran F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 Represents securities held by the Reporting Person's spouse.
F2 The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.16 to $81.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.17 to $82.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.18 to $83.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.
F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.19 to $84.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.
F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.20 to $85.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.
F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.21 to $85.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.