Patrick Joseph Schweiger - 22 Dec 2025 Form 4 Insider Report for Oklo Inc. (OKLO)

Reporting relationship: Chief Technology Officer
Issuer ticker: OKLO
Reported as of: 22 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Mar 2026, 20:25:12 UTC
Prior SEC filing: 18 Aug 2025
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Craig Bealmear, Attorney-in-Fact

Key filing fact

Patrick Joseph Schweiger filed Form 4 for Oklo Inc. (OKLO) on 10 Mar 2026.

Key facts

This page summarizes Patrick Joseph Schweiger's Form 4 filing for Oklo Inc. (OKLO).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 10 Mar 2026, 20:25.

Change

Previous filing in this sequence was filed on 18 Aug 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002080997 Primary reporting owner

Schweiger Patrick Joseph

Relationship: Chief Technology Officer
Address: C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA
Signature: /s/ Richard Craig Bealmear, Attorney-in-Fact
Signature date: 10 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OKLO transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +2,884
Change %: +27%
Price
Shares after: 13,389
Date: 06 Mar 2026
Ownership: Direct
Footnotes: F1

OKLO transaction

Class A Common Stock

Tax liability

Transaction value
Shares: -1,280
Change %: -9.6%
Price: $58.26^*
Shares after: 12,109
Date: 06 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OKLO transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -2,884
Change %: -6.1%
Price: $0.000000^*
Shares after: 44,416
Date: 06 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 2,884
Exercise price
Footnotes: F1, F2

OKLO transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +27,500
Change %: +62%
Price: $0.000000^*
Shares after: 71,916
Date: 22 Dec 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 27,500
Exercise price
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 6, 2026, 2,884 RSUs were released to the Reporting Person.

Footnote F2

On December 22, 2025, the Reporting Person was granted 8,652 RSUs, vesting as to one-third of the underlying shares on December 31, 2025 and thereafter in two substantially equal annual installments.

Footnote F3

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

Footnote F4

On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.