X0508 4 2025-06-02 false 0001568651 Oscar Health, Inc. OSCR 0001844320 Schlosser Mario 75 VARICK STREET, 5TH FLOOR NEW YORK NY 10013 true true false false President of Technology & CTO false Class A Common Stock 2025-06-02 4 F false 23879.00 13.80 D 525027.00 D Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs"). Includes shares to be issued in connection with the vesting of one or more restricted stock units. Also includes 172,940 shares to be issued upon vesting of RSUs that due to clerical error were not included in this total in the Reporting Person's Form 4 filed on March 4, 2025. /s/ Melissa Curtin, Attorney-in-fact 2025-06-04