X0508 4 2026-01-31 0 0000914475 NEUROCRINE BIOSCIENCES INC NBIX 0001724097 ABERNETHY MATT 6027 EDGEWOOD BEND CT. SAN DIEGO CA 92130 0 1 0 0 Chief Financial Officer 0 Common Stock 2026-01-31 4 M 0 2437 0 A 38465 D Common Stock 2026-01-31 4 F 0 1368 136.06 D 37097 D Restricted Stock Unit 2026-01-31 4 M 0 2437 0 D Common Stock 2437 0 D Includes an aggregate of 218 shares purchased on August 29, 2025 from the Neurocrine Biosciences, Inc. 2018 Employee Stock Purchase Plan. 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 2,436 shares on January 31, 2023, vested as to 2,436 shares on January 31, 2024, vested as to 2,436 shares on January 31, 2025, and vested as to 2,437 shares on January 31, 2026, subject to the terms and conditions of the award. /s/ Darin Lippoldt, Attorney-in-Fact 2026-02-03