Sec Form 4 Filing - DINAPOLI DOMINIC @ BlueLinx Holdings Inc. - 2022-02-25

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 DINAPOLI DOMINIC 2. Issuer Name and Ticker or Trading Symbol BlueLinx Holdings Inc. [ BXC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1950 SPECTRUM CIRCLE 3. Date of Earliest Transaction (MM/DD/YY) 02/25/2022 (Street) MARIETTA, GA30067 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 Common Stock 02/25/2022 02/25/2022 S 5,000 D $ 87.02( 1 ) 0 I By DiNapoli Family Trust

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 Restricted Stock Units ( 2 ) ( 3 ) ( 3 ) Common Stock 2,158 2,158 D Restricted Stock Units ( 2 ) ( 4 ) ( 4 ) Common Stock 12,000 12,000 I By DiNapoli Family Trust Restricted Stock Units ( 2 ) ( 5 ) ( 5 ) Common Stock 5,335 5,335 I By DiNapoli Family Trust Restricted Stock Units ( 2 ) ( 6 ) ( 6 ) Common Stock 8,498 8,498 I By DiNapoli Family Trust Restricted Stock Units ( 2 ) ( 7 ) ( 7 ) Common Stock 12,517 12,517 I By DiNapoli Family Trust Restricted Stock Units ( 2 ) ( 8 ) ( 8 ) Common Stock 13,235 13,235 I By DiNapoli Family Trust

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DINAPOLI DOMINIC 1950 SPECTRUM CIRCLE MARIETTA, GA30067 X Signatures /s/ Shyam K. Reddy, as attorney-in-fact for Dominic DiNapoli 03/01/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This price represents the weighted average purchase price for multiple transactions reported on this line. The price of transactions reported on this line range from $86.78 to $87.30. Upon request by the SEC staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares and prices at which transactions were effected. ( 2 )Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock. ( 3 )The restricted stock units vest on May 20, 2022. Vested shares will be delivered to the reporting person not later than 30 days after the vesting date. ( 4 )The restricted stock units vested on May 21, 2021. Vested shares will be delivered to the trust within 30 days after the earlier of May 21, 2030 or termination of reporting person's service on the Board of Directors. ( 5 )The restricted stock units vested on May 17, 2020. Vested shares will be delivered to the trust within 30 days after the earlier of May 17, 2029 or termination of reporting person's service on the Board of Directors. ( 6 )The restricted stock units vested on January 11, 2019. Vested shares will be delivered to the trust within 30 days after the earlier of January 11, 2028 or termination of reporting person's service on the Board of Directors. ( 7 )The restricted stock units vested on January 11, 2018. Vested shares will be delivered to the trust within 30 days after the earlier of January 11, 2027 or termination of reporting person's service on the Board of Directors. ( 8 )The restricted stock units vested on May 20, 2017. Vested shares will be delivered to the trust within 30 days after the earlier of May 20, 2026 or termination of reporting person's service on the Board of Directors.

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.
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