X0609 4 2026-09-11 0 0000914475 NEUROCRINE BIOSCIENCES INC NBIX 0001965808 Delaet Ingrid false 6027 EDGEWOOD BEND CT. SAN DIEGO CA 92130 0 1 0 0 Chief Regulatory Officer 0 Common Stock 2026-09-11 4 A 0 4483 0 A 20708 D Common Stock 2026-09-11 4 F 0 2419 156.22 D 18289 D The Reporting Person was previously granted performance restricted stock units (PRSUs) that vest upon the achievement of certain performance metrics, the achievement of one of which was certified on September 11, 2026. Shares withheld by Neurocrine Biosciences, Inc. (the "Company" or "Issuer") to satisfy tax withholding requirements on vesting of PRSUs. No shares were sold. /s/ Darin Lippoldt, Attorney-in-Fact 2026-09-15