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$ Value

$0

Shares

506,807

Price

$0

Filed

Apr 1

Insider

Name

DeWitte Jacob

Title

Co-Founder, CEO

CIK

0002021433

Roles

Director Officer 10% Owner

Transaction Details

Transaction Date

2026-03-31

Code

J

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

506,807

Footnotes

On March 30, 2026, 506,807 shares were distributed to the Jacob DeWitte Family Trust as an annuity distribution pursuant to the terms of the Jacob DeWitte GRAT, the Reporting Person's grantor retained annuity trust. On March 31, 2026, the same 506,807 shares held by the Jacob DeWitte Family Trust were contributed to the Jacob DeWitte GRAT No. 3 in connection with the funding of the Jacob DeWitte GRAT No. 3. | For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission. | On March 30, 2026, 474,011 shares were distributed to the Caroline DeWitte Family Trust as an annuity distribution pursuant to the terms of the Caroline Cochran GRAT, the Reporting Person's spouse's grantor retained annuity trust. On March 31, 2026, the same 474,011 shares held by the Caroline DeWitte Family Trust were contributed to the Caroline DeWitte GRAT No.3 in connection with the funding of the Caroline DeWitte GRAT No. 3. | Represents securities beneficially owned by the Reporting Person's spouse. | Represents securities held by the Reporting Person's spouse.

Filing Info

Accession No.

0002021433-26-000007

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
2026-03-02 OKLO $360K

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
$2.9M 2026-04-02
Kan Derek T. 2026-04-10
DeWitte Jacob
Co-Founder, CEO
$27.7M 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
$27.7M 2026-03-31
Goodwin William Carroll Murphy
Chief Legal & Strategy Officer
$601K 2026-03-25
Schweiger Patrick Joseph
Chief Technology Officer
$314K 2026-03-25
Park David G 2026-04-10