X0508 4 2026-01-31 0 0000914475 NEUROCRINE BIOSCIENCES INC NBIX 0001504783 Lippoldt Darin 6027 EDGEWOOD BEND CT. SAN DIEGO CA 92130 0 1 0 0 Chief Legal Officer 0 Common Stock 2026-01-31 4 M 0 2373 0 A 49127 D Common Stock 2026-01-31 4 F 0 1335 136.06 D 47792 D Restricted Stock Unit 2026-01-31 4 M 0 2373 0 D Common Stock 2373 0 D Shares withheld by Neurocrine Biosciences, Inc. (the "Company" or "Issuer") to satisfy tax withholding requirements on vesting of restricted stock units ("RSUs"). No shares were sold. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. This RSU was granted to the Reporting Person on January 31, 2022. In accordance with the terms of the RSU, the award vested as to 2,373 shares on January 31, 2023, vested as to 2,373 shares on January 31, 2024, vested as to 2,373 shares on January 31, 2025, and vested as to 2,373 shares on January 31, 2026, subject to the terms and conditions of the award. /s/ Darin Lippoldt 2026-02-03