X0508 4 2026-03-02 0001861123 Eikon Therapeutics, Inc. EIKN 0001184228 PERLMUTTER ROGER M C/O EIKON THERAPEUTICS, INC. 230 HARRIET TUBMAN WAY MILLBRAE CA 94030 true true false false See remarks false Stock Option (Right to Buy) 14.88 2026-03-02 4 A false 268176 0 A 2036-03-01 Common Stock 268176 268176 D 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date. Chief Executive Officer and Director /s/ Benjamin Thorner, Attorney-in-Fact 2026-03-04