William Carroll Murphy Goodwin - 12 Aug 2026 Form 4 Insider Report for Oklo Inc. (OKLO)

Reporting relationship: Chief Legal & Strategy Officer
Issuer ticker: OKLO
Reported as of: 12 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Aug 2026, 16:07:22 UTC
Prior SEC filing: 21 May 2026
Next SEC filing: 25 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard Craig Bealmear, Attorney-in-Fact

Key filing fact

William Carroll Murphy Goodwin filed Form 4 for Oklo Inc. (OKLO) on 14 Aug 2026.

Key facts

This page summarizes William Carroll Murphy Goodwin's Form 4 filing for Oklo Inc. (OKLO).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 14 Aug 2026, 16:07.

Change

Previous filing in this sequence was filed on 21 May 2026.
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 0002080717 Primary reporting owner

Goodwin William Carroll Murphy

Relationship: Chief Legal & Strategy Officer
Address: C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA
Signature: /s/ Richard Craig Bealmear, Attorney-in-Fact
Signature date: 14 Aug 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: +20,685
Change %: +57%
Price
Shares after: 56,860
Date: 12 Aug 2026
Ownership: Direct
Footnotes: F1

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: -20,685
Change %: -14%
Price: $0.000000^*
Shares after: 125,207
Date: 12 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 20,685
Exercise price
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

On August 12, 2024, the Reporting Person was granted 248,227 RSUs, vesting as to 20% of the underlying shares on August 12, 2025 and continuing to vest thereafter in 24 substantially equal monthly installments. On August 12, 2026, 20,685 RSUs vested.