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$ Value

$0

Shares

7,583,085

Price

$0

Filed

Dec 29

Insider

Name

DeWitte Jacob

Title

Co-Founder, CEO

CIK

0002021433

Roles

Director Officer 10% Owner

Transaction Details

Transaction Date

2025-12-24

Code

G

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

919,023

Footnotes

Excludes 1,000,000 shares previously owned directly which were contributed to a grantor retained annuity trust on December 24, 2025. | On December 24, 2025, the Reporting Person transferred 7,851,901 shares to the Jacob DeWitte Family Trust for no consideration. The Reporting Person is trustee of the trust. The Reporting Person, members of his family and certain charitable organizations are the beneficiaries of the trust. The Reporting Person remains the beneficial owner of the securities held by the trust. | These shares were previously reported as directly beneficially owned but were contributed to a grantor retained annuity trust on December 24, 2025. | Represents securities beneficially owned by the Reporting Person's spouse. | Excludes 1,000,000 shares previously owned by the Reporting Person's spouse which were contributed to a grantor retained annuity trust on December 24, 2025. | On December 24, 2025, spouse of the Reporting Person transferred 7,583,085 shares to the Caroline DeWitte Family Trust for no consideration. Spouse of the Reporting Person is trustee of the trust. Spouse of the Reporting Person, members of her family and certain charitable organizations are the beneficiaries of the trust. Spouse of the Reporting Person remains the beneficial owner of the securities held by the trust. | Represents securities held by the Reporting Person's spouse. | These shares were previously reported as beneficially owned by the Reporting Person's spouse but were contributed to a grantor retained annuity trust on December 24, 2025.

Filing Info

Accession No.

0001193125-25-335518

Form Type

4

Issuer CIK

0001849056

DeWitte Jacob's History

Date Ticker Type Value
2026-04-01 OKLO $652K
2026-04-01 OKLO $521K
2026-04-01 OKLO $462K
2026-04-01 OKLO $1.4M
2026-04-01 OKLO $2.0M
2026-03-31 OKLO J $0
2026-03-31 OKLO J $0
2026-03-30 OKLO J $0
2026-03-30 OKLO J $0
2026-03-13 OKLO $4.4M

Other Insiders at OKLO (90d)

Insider Bought Sold Last
Kinzley Richard $208K 2026-03-27
Peters Mark T 2026-04-10
Bealmear Richard Craig
Chief Financial Officer
$7.2M 2026-04-02
Kan Derek T. 2026-04-10
DeWitte Jacob
Co-Founder, CEO
$34.7M 2026-03-31
DeWitte Jacob / Cochran Caroline
Co-Founder, CEO
$5.0M 2026-04-01
Jansen John M $541K 2026-03-27
Cochran Caroline
Co-Founder, COO
$34.7M 2026-03-31
Goodwin William Carroll Murphy
Chief Legal & Strategy Officer
$761K 2026-03-25
Schweiger Patrick Joseph
Chief Technology Officer
$314K 2026-03-25
Park David G 2026-04-10