SCHEDULE 13D/A

BIODESIX INC

Common Stock, par value $0.001 per share · CUSIP: 09075X207

Event date: 2026-01-23

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• SCHULER JACK WReported CIK 0001021412

  Shares: 2,333,945 · Class: 24%

• Jack W. Schuler Living Trust

  Shares: 1,563,210 · Class: 16.1%

• Jack W. Schuler 2025 GRAT

  Shares: 750,000 · Class: 7.7%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.