Oklo 4: Kan Derek T. bought 4,699 shares of Restricted Stock Units… (Apr 20, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-10 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Oklo Inc. (OKLO) CIK: 0001849056 --- Reporting Owner --- Name: Kan Derek T. CIK: 0001899894 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-04-10 | Code: A (Grant or award) Shares: +4,699 | Price: $0.00 Shares Owned After: 4,699 | Ownership: D (Direct) Footnotes: [F1] Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. [F2] The restricted stock units vest in full on April 10, 2027. [F2] The restricted stock units vest in full on April 10, 2027. --- Footnotes (Complete Index) --- F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. F2: The restricted stock units vest in full on April 10, 2027. --- Signature --- /s/ /s/ Richard Craig Bealmear, Attorney-in-Fact (2026-04-20)