X0609 4 2026-08-10 0001439725 BIODESIX INC BDSX 0001021412 SCHULER JACK W false PO BOX 531 LAKE BLUFF IL 60044 false false true true Emeritus Director false Common Stock 2026-08-10 4 P false 13900 24.2467 A 527110 I By Jack W. Schuler Living Trust Common Stock 2026-08-11 4 P false 13700 24.0081 A 540810 I By Jack W. Schuler Living Trust Common Stock 1800000 I By Jack W. Schuler 2026 GRAT The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.89 to $24.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Reported amounts have been adjusted to reflect (i) the transfer of 750,000 shares previously held by the Jack W. Schuler 2025 GRAT to the Jack W. Schuler Living Trust on March 25, 2026 and (ii) the transfer of 1,800,000 shares previously held by the Jack W. Schuler Living Trust to the Jack W. Schuler 2026 GRAT on April 1, 2026, each of which was exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934, as amended. Jack W. Schuler is the sole trustee of the Jack W. Schuler Living Trust. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.965 to $24.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Jack W. Schuler is the sole trustee of the Jack W. Schuler 2026 GRAT. /s/ Robin H. Cowie as Attorney-in-Fact for Jack Schuler 2026-08-12