X0508 4 2025-05-20 0001439725 BIODESIX INC BDSX 0001134554 MASSARANY HANY 919 WEST DILLON RD LOUISVILLE CO 80027 true false Restricted Stock Units 2025-05-20 4 A 0 86477 0 A Common Stock 86477 86477 D Stock Options (Right to Buy) 0.2708 2025-05-20 4 A 0 42010 0 A 2035-05-19 Common Stock 42010 42010 D Each restricted stock unit (the "RSU") represents a contingent right to receive one share of the Issuer's common stock ("Common Stock"). These RSUs will vest in three substantially equal installments on June 30, September 30 and December 31, 2025, generally subject to the Reporting Person's continued service with the Issuer, and have no expiration date. Represents deferred RSUs. The shares of Common Stock underlying these RSUs will be issued to the Reporting Person following the Reporting Person's separation from service with the Issuer. This option will vest in three substantially equal installments on June 30, September 30 and December 31, 2025, generally subject to the Reporting Person's continued service with the Issuer. /s/ Robin H. Cowie as Attorney-in-Fact for Hany Massarany 2025-05-22