144 0001842979 XXXXXXXX LIVE 0001568651 Oscar Health, Inc. 001-40154 75 VARICK STREET 5TH FLOOR NEW YORK NY 10013 (646) 403-3677 McAnaney Adam Officer Class A Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

9092 285949.77 273469000 09/03/2026 NYSE Class A 09/01/2026 Restricted Stock Vesting Issuer N 9092 09/01/2026 Compensation Y Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution. 09/03/2026 /s/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Adam F. Mcananey.