X0508 4 2026-02-18 0001347178 Vanda Pharmaceuticals Inc. VNDA 0001702031 Birznieks Gunther 2200 PENNSYLVANIA AVENUE NW SUITE 300E WASHINGTON DC 20037 false true false false SVP, Business Development false Common Stock 2026-02-18 4 A false 125000 0 A 536628 D Represents shares of common stock underlying a time-based restricted stock unit award ("RSU"). The RSU vests in four (4) equal annual installments with the first annual vest taking place on March 1, 2027, provided the Reporting Person remains continuously employed by the Issuer through each annual vesting date. Vested shares will be delivered on the First Permissible Trading Day (as defined in the RSU Agreement) that occurs on or after the day when the RSUs vest. /s/ Gunther Birznieks 2026-02-19