Sec Form 4 Filing - Cowie Robin Harper @ BIODESIX INC - 2021-02-23

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Cowie Robin Harper 2. Issuer Name and Ticker or Trading Symbol BIODESIX INC [ BDSX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CFO, Sec'y & Treasurer (Last) (First) (Middle) 2970 WILDERNESS PLACE, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 02/23/2021 (Street) BOULDER, CO80301 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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) Code V Amount (A) or (D) Price

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options (Right to buy) $ 20.67 02/23/2021 A 61,439 ( 1 ) 02/22/2031 Common Stock 61,439 $ 0 61,439 D Stock Options (Right to buy) $ 20.67 02/23/2021 A 71,524 ( 2 ) 02/22/2031 Common Stock 71,524 $ 0 71,524 D Stock Options (Right to buy) $ 20.67 07/24/2023 D( 3 )( 4 ) 61,439 ( 1 ) 02/22/2031 Common Stock 61,439 ( 3 ) ( 4 ) 0 D Stock Options (Right to buy) $ 20.67 07/24/2023 D( 3 )( 4 ) 71,524 ( 2 ) 02/22/2031 Common Stock 71,524 ( 3 ) ( 4 ) 0 D Stock Options (Right to buy) $ 1.2 07/24/2023 A( 3 )( 4 ) 27,138 ( 5 ) 07/23/2033 Common Stock 27,138 ( 3 ) ( 4 ) 27,138 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Cowie Robin Harper 2970 WILDERNESS PLACE SUITE 100 BOULDER, CO80301 CFO, Sec'y & Treasurer Signatures /s/ Robin Harper Cowie 07/26/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This option was scheduled to vest in a series of 60 successive, equal monthly installments measured from February 23, 2021. ( 2 )This option was fully vested as of the grant date. ( 3 )On June 23, 2023, the Issuer made an offer (the "Tender Offer") to certain employees to exchange some or all of their outstanding options with an exercise price greater than $10.00 per share (such options properly tendered for exchange, "Surrendered Options") for new options with terms determined in accordance with the terms of the Tender Offer ("Replacement Options"). The Tender Offer closed on July 24, 2023, and the Issuer's board of directors approved the exchange of Surrendered Options for Replacement Options on July 24, 2023. ( 4 )The Reporting Person elected to participate in the Tender Offer and received 27,138 Replacement Options with an exercise price of $1.20 per share in exchange for 132,963 Surrendered Options with an exercise price of $20.67 per share, after which the Surrendered Options were cancelled. ( 5 )This Replacement Option vests as follows: 20,659 shares of Common Stock underlying this Replacement Option vest on August 1, 2024, and the remaining 6,479 shares of Common Stock underlying this Replacement Option vest in 31 successive, equal monthly installments beginning on August 1, 2024.

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).

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