X0508 4 2025-11-10 0001439725 BIODESIX INC BDSX 0001827690 Cowie Robin Harper 919 WEST DILLON RD LOUISVILLE CO 80027 true CFO, Sec'y & Treasurer false Common Stock 2025-11-10 4 M 0 158 A 13197 D Common Stock 2025-11-10 4 S 0 50 7.62 D 13147 D Restricted Stock Units 2025-11-10 4 M 0 158 0 D Common Stock 158 157 D These numbers have been adjusted to reflect the one-for-twenty reverse stock split effective September 15, 2025 (the "Reverse Stock Split"). Each restricted stock unit (the "RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Includes 500 shares of the Issuer's Common Stock, as adjusted for the Reverse Stock Split, purchased under the Issuer's Employee Stock Purchase Plan on September 2, 2025. These shares of the Issuer's Common Stock were sold automatically to cover taxes upon the vesting of RSUs. These RSUs vest in a series of sixteen successive quarterly installments measured from February 8, 2022, generally subject to the Reporting Person's continued service with the Issuer, and have no expiration date. /s/ Robin Harper Cowie 2025-11-13