X0609 4 2026-08-17 0 0001484612 Outset Medical, Inc. OM 0001823381 Brottem John L. false 3052 ORCHARD DRIVE SAN JOSE CA 95134 0 1 0 0 General Counsel 0 Common Stock 2026-08-17 4 S 0 2632 4.39 D 87475 D Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 5,033 shares of Common Stock underlying RSUs granted to the reporting person on January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person. John L Brottem 2026-08-18