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    Amendment: SEC Form SCHEDULE 13D/A filed by Biodesix Inc.

    9/3/25 4:43:15 PM ET
    $BDSX
    Medical Specialities
    Health Care
    Get the next $BDSX alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 8)


    BIODESIX INC

    (Name of Issuer)


    Common Stock, par value $0.001 per share

    (Title of Class of Securities)


    09075X108

    (CUSIP Number)


    Jack W. Schuler
    PO Box 531,
    Lake Bluff, IL, 60044
    (520) 906-2991

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    08/29/2025

    (Date of Event Which Requires Filing of This Statement)


    If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

    The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






    SCHEDULE 13D

    CUSIP No.
    09075X108


    1 Name of reporting person

    SCHULER JACK W
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    PF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    414,811.00
    8Shared Voting Power

    39,406,546.00
    9Sole Dispositive Power

    414,811.00
    10Shared Dispositive Power

    39,406,546.00
    11Aggregate amount beneficially owned by each reporting person

    39,821,357.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    26 %
    14Type of Reporting Person (See Instructions)

    IN

    Comment for Type of Reporting Person:
    (1) Sole voting and dispositive power includes 414,811 Shares (as defined herein) that the Reporting Person has the right to acquire within 60 days of the date of this filing. (2) Percent of class is calculated based on a total of 152,721,438 Shares outstanding, as provided by the Issuer on September 3, 2025, plus 414,811 Shares that the Reporting Person has the right to acquire within 60 days of the date of this filing.


    SCHEDULE 13D

    CUSIP No.
    09075X108


    1 Name of reporting person

    Jack W. Schuler Living Trust
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    ILLINOIS
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    24,406,546.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    24,406,546.00
    11Aggregate amount beneficially owned by each reporting person

    24,406,546.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    16 %
    14Type of Reporting Person (See Instructions)

    OO

    Comment for Type of Reporting Person:
    (1) Percent of class is calculated based on a total of 152,721,438 Shares outstanding, as provided by the Issuer on September 3, 2025.


    SCHEDULE 13D

    CUSIP No.
    09075X108


    1 Name of reporting person

    Jack W. Schuler 2025 GRAT
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    ILLINOIS
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    15,000,000.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    15,000,000.00
    11Aggregate amount beneficially owned by each reporting person

    15,000,000.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    9.8 %
    14Type of Reporting Person (See Instructions)

    OO

    Comment for Type of Reporting Person:
    (1) Percent of class is calculated based on a total of 152,721,438 Shares outstanding, as provided by the Issuer on September 3, 2025.


    SCHEDULE 13D

    Item 1.Security and Issuer
    (a)Title of Class of Securities:

    Common Stock, par value $0.001 per share
    (b)Name of Issuer:

    BIODESIX INC
    (c)Address of Issuer's Principal Executive Offices:

    919 WEST DILLON RD, LOUISVILLE, COLORADO , 80027.
    Item 1 Comment:
    This Amendment No. 8 to Schedule 13D ("Amendment No. 8") is being filed by the undersigned, pursuant to section 240.13d-2(a), to amend and supplement the Schedule 13D filed with the U.S. Securities and Exchange Commission (the "SEC") on November 9, 2020 (the "Initial Schedule 13D"), as amended on January 28, 2022, on April 11, 2022, on November 23, 2022, on August 11, 2023, on April 9, 2024, on May 23, 2024, and on May 20, 2025 (collectively, the "Schedule 13D"), with respect to the common stock, par value $0.001 per share (the "Shares"), of Biodesix, Inc. (the "Issuer" or the "Company"), whose principal executive offices are located at 919 West Dillon Rd., Louisville, Colorado 80027.
    Item 2.Identity and Background
    (b)
    Item 2(b) of the Schedule 13D is hereby amended and restated in its entirety as follows: The principal address of each of the Reporting Persons is PO Box 531, Lake Bluff, Illinois 60044.
    Item 3.Source and Amount of Funds or Other Consideration
     
    Item 3 of the Schedule 13D is hereby amended and supplemented as follows: On August 29, 2025, Mr. Schuler, through the Trust, purchased 3,488,372 Shares, at a price of $0.43 per Share, in a registered at-the-market offering, for an aggregate purchase price of $1,499,999.96. The source of funds for the purchase reported herein was Mr. Schuler's personal funds.
    Item 5.Interest in Securities of the Issuer
    (a)
    Item 5(a)-(c) of the Schedule 13D is hereby amended and restated as follows: As of the date hereof, Mr. Schuler may be deemed to beneficially own, in the aggregate, 39,821,357 Shares, which represents approximately 26.0% of the Shares outstanding. Mr. Schuler's beneficial ownership consists of (i) 83,152 Shares that Mr. Schuler has the right to acquire upon exercise of options exercisable within 60 days of the date of this filing, (ii) 331,659 Shares that Mr. Schuler has the right to acquire upon settlement of vested RSUs within 60 days of the date of this filing, (iii) 24,406,546 Shares held by the Trust, representing approximately 16.0% of the Shares outstanding, and (iv) 15,000,000 Shares held by the GRAT, representing approximately 9.8% of the Shares outstanding. The foregoing beneficial ownership percentages are based on a total of (i) 152,721,438 Shares outstanding, as provided by the Issuer on September 3, 2025, and, for purposes of calculating Mr. Schuler's beneficial ownership percentage, (ii) 414,811 Shares that Mr. Schuler has the right to acquire within 60 days of the date of this filing.
    (b)
    Mr. Schuler has the sole power to vote or direct the vote, and the sole power to dispose or direct the disposition of, the 414,811 Shares that Mr. Schuler has the right to acquire within 60 days of the date of this filing. As sole trustee of the Trust, Mr. Schuler shares with the Trust the power to vote or direct the vote, and the power to dispose or direct the disposition of, the 24,406,546 Shares beneficially owned by the Trust. As sole trustee of the GRAT, Mr. Schuler shares with the GRAT the power to vote or direct the vote, and the power to dispose or direct the disposition of, the 15,000,000 Shares beneficially owned by the GRAT.
    (c)
    The response to Item 3 of this Amendment No. 8 is incorporated by reference herein. Except as set forth in this Amendment No. 8, no transactions in the Shares have been effected by the Reporting Persons within the past 60 days.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    SCHULER JACK W
     
    Signature:/s/ Jack W. Schuler
    Name/Title:Jack W. Schuler
    Date:09/03/2025
     
    Jack W. Schuler Living Trust
     
    Signature:/s/ Jack W. Schuler
    Name/Title:Jack W. Schuler, Trustee
    Date:09/03/2025
     
    Jack W. Schuler 2025 GRAT
     
    Signature:/s/ Jack W. Schuler
    Name/Title:Jack W. Schuler, Trustee
    Date:09/03/2025
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