Kimberly Ann DeBrock - 18 Oct 2025 Form 4 Insider Report for BlueLinx Holdings Inc. (BXC)

Signature
/s/ Christin Lumpkin, as attorney-in-fact for Kimberly Ann DeBrock
Issuer symbol
BXC
Transactions as of
18 Oct 2025
Net transactions value
-$4,840
Form type
4
Filing time
21 Oct 2025, 14:37:33 UTC
Previous filing
10 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DeBrock Kimberly Ann VP & Chief Accounting Officer 1950 SPECTRUM CIRCLE, MARIETTA /s/ Christin Lumpkin, as attorney-in-fact for Kimberly Ann DeBrock 21 Oct 2025 0001921260

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BXC Common Stock Options Exercise +232 +74% 546 18 Oct 2025 Direct F1, F2
transaction BXC Common Stock Tax liability $4,840 -69 -13% $70.15 477 18 Oct 2025 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BXC Restricted Stock Units Options Exercise $0 -232 -50% $0.000000 232 18 Oct 2025 Common Stock 232 Direct F1, F2
holding BXC Restricted Stock Unit 1,921 18 Oct 2025 Common Stock 1,921 Direct F2, F4
holding BXC Restricted Stock Unit 349 18 Oct 2025 Common Stock 349 Direct F2, F5
holding BXC Restricted Stock Unit 428 18 Oct 2025 Common Stock 428 Direct F2, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the conversion of restricted stock units that vested on October 18, 2025. These are time based restricted stock units that vest in three equal annual installments, with the first vesting on October 18, 2024.
F2 Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock.
F3 These shares were withheld to cover tax withholding obligations when 232 time-based restricted stock units vested on October 18, 2025.
F4 These are time-based restricted stock units that vest in three equal annual installments commencing on June 6, 2026. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.
F5 These are time-based restricted stock units that vest on June 6, 2028. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.
F6 These are time-based restricted stock units that vest in three equal installments commencing on June 7, 2025. Vested shares will be delivered to the reporting person no later than 30 days after each vesting date.