How many Biodesix shares do the Schuler-related trusts hold after these transactions?

After the reported purchases, the Jack W. Schuler Living Trust beneficially owned 1,563,210 Biodesix common shares , and the Jack W. Schuler 2025 GRAT held 750,000 shares , both reported as indirectly owned.

Biodesix Inc. (BDSX) major holder’s trusts buy 100,000 shares

Q: What insider transactions were reported for Biodesix Inc. (BDSX)?

The filing shows that the Jack W. Schuler Living Trust purchased 80,000 Biodesix common shares on January 23, 2026 at a weighted average price of $11.8084 and 20,000 shares on January 26, 2026 at a weighted average price of $11.8032 .

Q: Who is the reporting person in this Biodesix (BDSX) Form 4?

The reporting person is Jack W. Schuler , identified as a 10% owner and Emeritus Director of Biodesix Inc. The reported holdings are indirect through trusts associated with him.

Q: At what prices were the Biodesix (BDSX) shares bought in this Form 4?

For the January 23, 2026 transaction, the weighted average purchase price was $11.8084 per share, based on trades between $11.225 and $12.05 . For the January 26, 2026 transaction, the weighted average price was $11.8032 , based on trades between $11.56 and $11.99 .

Q: Are the Biodesix shares held directly by Jack W. Schuler?

No. The reported holdings are indirect , held "By Jack W. Schuler Living Trust" and "By Jack W. Schuler 2025 GRAT" . The footnotes state that Jack W. Schuler is the sole trustee of each trust.

Filing Impact

(Very High)

Filing Sentiment

(Positive)

Form Type

Rhea-AI Filing Summary

Biodesix Inc. reported insider share purchases by entities associated with major shareholder Jack W. Schuler. On January 23, 2026, the Jack W. Schuler Living Trust bought 80,000 shares of Biodesix common stock at a weighted average price of $11.8084, and on January 26, 2026 it bought an additional 20,000 shares at a weighted average price of $11.8032. After these transactions, the Living Trust held 1,563,210 shares of common stock, and the Jack W. Schuler 2025 GRAT held 750,000 shares, both reported as indirectly owned. The prices reflect multiple individual trades within stated ranges, and Schuler is disclosed as the sole trustee of both trusts.

Insider Trade Summary

Net Buyer: 100,000 shares ($1,180,736)

Net Buy 3 txns

Insider SCHULER JACK W

Role 10% Owner

Bought 100,000 shs ($1.18M)

Type	Security	Shares	Price	Value
Purchase	Common Stock	20,000	$11.8032	$236K
Purchase	Common Stock	80,000	$11.8084	$945K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,563,210 shares (Indirect, By Jack W. Schuler Living Trust)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

01/27/2026 - 09:29 AM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SCHULER JACK W

(Last)

(First)

(Middle)

PO BOX 531

(Street)

LAKE BLUFF

60044

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
BIODESIX INC [ BDSX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Emeritus Director

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	01/23/2026		P		80,000	A	$11.8084⁽¹⁾	1,543,210	I	By Jack W. Schuler Living Trust⁽²⁾
Common Stock	01/26/2026		P		20,000	A	$11.8032⁽³⁾	1,563,210	I	By Jack W. Schuler Living Trust⁽²⁾
Common Stock								750,000	I	By Jack W. Schuler 2025 GRAT⁽⁴⁾

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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.

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

3. 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.

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

	/s/ Robin H. Cowie as Attorney-in-Fact for Jack Schuler	01/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions were reported for Biodesix Inc. (BDSX)?

The filing shows that the Jack W. Schuler Living Trust purchased 80,000 Biodesix common shares on January 23, 2026 at a weighted average price of $11.8084 and 20,000 shares on January 26, 2026 at a weighted average price of $11.8032.

Who is the reporting person in this Biodesix (BDSX) Form 4?

The reporting person is Jack W. Schuler, identified as a 10% owner and Emeritus Director of Biodesix Inc. The reported holdings are indirect through trusts associated with him.

At what prices were the Biodesix (BDSX) shares bought in this Form 4?

For the January 23, 2026 transaction, the weighted average purchase price was $11.8084 per share, based on trades between $11.225 and $12.05. For the January 26, 2026 transaction, the weighted average price was $11.8032, based on trades between $11.56 and $11.99.

Are the Biodesix shares held directly by Jack W. Schuler?

No. The reported holdings are indirect, held "By Jack W. Schuler Living Trust" and "By Jack W. Schuler 2025 GRAT". The footnotes state that Jack W. Schuler is the sole trustee of each trust.

Does this Biodesix Form 4 include any derivative securities?

No derivative securities are reported. The table for derivative securities shows no entries, and the filing only details transactions and holdings in common stock.