Form 4 Filing - LeonaBio, Inc.

Robert Renninger, Chief Financial Officer of LeonaBio, Inc., acquired 300,000 stock options on April 9, 2026. The options have an exercise price of $9.54 and expire on April 8, 2036. The options are subject to a 48-month vesting schedule, with monthly vesting contingent upon continued service as a service provider. The shares underlying the options are Common Stock. This transaction was reported on Form 4, filed on April 13, 2026.