X0508 4 2026-03-02 0001936258 NewAmsterdam Pharma Co N.V. NAMS 0001573785 Davidson Michael H. C/O NEWAMSTERDAM PHARMA COMPANY N.V. GOOIMEER 2-35 NAARDEN P7 1411 DC NETHERLANDS true true false false Chief Executive Officer false Ordinary Shares 2026-03-02 4 M false 443707 A 617851 D Ordinary Shares 2026-03-02 4 S false 443707 33.25 D 174144 D Option (right to buy) 2026-03-02 4 M false 443707 0 D 2031-07-06 Ordinary Shares 443707 239267 D The exercise price of the option is EUR 1.16392. The option was granted on November 22, 2022 to replace options originally granted on July 6, 2021 which was cancelled in connection with the consummation of NewAmsterdam Pharma Company N.V.'s business combination with Frazier Lifesciences Acquisition Corporation. 25% of the shares underlying the options vested on August 1, 2021, the one-year anniversary of vesting start date, with the remaining shares vesting in equal monthly installments thereafter for three years, subject to the Reporting Person's continued service through each such date. /s/ Michael H. Davidson 2026-03-02