Jack W. Schuler - 23 Jan 2026 Form 4 Insider Report for BIODESIX INC (BDSX)

Reporting relationship: Emeritus Director, 10%+ Owner
Issuer ticker: BDSX
Reported as of: 23 Jan 2026
Net transaction value: +$1,180,736
SEC form: 4
Accepted by SEC: 27 Jan 2026, 09:29:02 UTC
Prior SEC filing: 26 Jan 2026
Next SEC filing: 09 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Robin H. Cowie as Attorney-in-Fact for Jack Schuler

Key filing fact

Jack W. Schuler filed Form 4 for BIODESIX INC (BDSX) on 27 Jan 2026.

Key facts

This page summarizes Jack W. Schuler's Form 4 filing for BIODESIX INC (BDSX).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 27 Jan 2026, 09:29.

Change

Previous filing in this sequence was filed on 26 Jan 2026.
Current net transaction value: +$1,180,736.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001021412 Primary reporting owner

SCHULER JACK W

Relationship: Emeritus Director, 10%+ Owner
Address: PO BOX 531, LAKE BLUFF
Signature: /s/ Robin H. Cowie as Attorney-in-Fact for Jack Schuler
Signature date: 27 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BDSX transaction

Common Stock

Purchase

Transaction value: $944,672
Shares: +80,000
Change %: +5.5%
Price: $11.81
Shares after: 1,543,210
Date: 23 Jan 2026
Ownership: By Jack W. Schuler Living Trust
Footnotes: F1, F2

BDSX transaction

Common Stock

Purchase

Transaction value: $236,064
Shares: +20,000
Change %: +1.3%
Price: $11.80
Shares after: 1,563,210
Date: 26 Jan 2026
Ownership: By Jack W. Schuler Living Trust
Footnotes: F2, F3

BDSX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 750,000
Date: 23 Jan 2026
Ownership: By Jack W. Schuler 2025 GRAT
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.225 to $12.05, 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.

Footnote F2

Jack W. Schuler is the sole trustee of the Jack W. Schuler Living Trust.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.56 to $11.99, 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.

Footnote F4

Jack W. Schuler is the sole trustee of the Jack W. Schuler 2025 GRAT.