X0609 4 2026-03-27 0 0001849056 Oklo Inc. OKLO 0001445637 Kinzley Richard false C/O OKLO INC. 3190 CORONADO DR. SANTA CLARA CA 95054 1 0 0 0 0 Class A Common Stock 2026-03-27 4 S 0 4000 52.09 D 16654 I Richard W. and Cynthia M. Kinzley Revocable Trust Class A Common Stock 2026-03-27 4 G 0 900 0 D 15754 I Richard W. and Cynthia M. Kinzley Revocable Trust Includes 3,800 shares that were previously reported as directly owned on the Form 4 filed March 12, 2026, but which should have been reported as indirectly owned through the Richard W. and Cynthia M. Kinzley Revocable Trust. The correction reflects a change in the form of beneficial ownership only and no change in pecuniary interest with respect to those 3,800 shares. After giving effect to that correction and the reported disposition of 4,000 shares, the trust holds 16,654 shares. /s/ Richard Craig Bealmear, Attorney-in-Fact 2026-03-30