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

Reporting relationship: VP & Chief Accounting Officer
Issuer ticker: BXC
Reported as of: 18 Oct 2025
Net transaction value: -$4,840
SEC form: 4
Accepted by SEC: 21 Oct 2025, 14:37:33 UTC
Prior SEC filing: 10 Jun 2025
Next SEC filing: 09 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Christin Lumpkin, as attorney-in-fact for Kimberly Ann DeBrock

Key filing fact

Kimberly Ann DeBrock filed Form 4 for BlueLinx Holdings Inc. (BXC) on 21 Oct 2025.

Key facts

This page summarizes Kimberly Ann DeBrock's Form 4 filing for BlueLinx Holdings Inc. (BXC).
3 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 21 Oct 2025, 14:37.

Change

Previous filing in this sequence was filed on 10 Jun 2025.
Current net transaction value: -$4,840.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001921260 Primary reporting owner

DeBrock Kimberly Ann

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BXC transaction

Common Stock

Options Exercise

Transaction value
Shares: +232
Change %: +74%
Price
Shares after: 546
Date: 18 Oct 2025
Ownership: Direct
Footnotes: F1, F2

BXC transaction

Common Stock

Tax liability

Transaction value: $4,840
Shares: -69
Change %: -13%
Price: $70.15
Shares after: 477
Date: 18 Oct 2025
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BXC transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -232
Change %: -50%
Price: $0.000000
Shares after: 232
Date: 18 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 232
Exercise price
Footnotes: F1, F2

BXC holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,921
Date: 18 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,921
Exercise price
Footnotes: F2, F4

BXC holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 349
Date: 18 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 349
Exercise price
Footnotes: F2, F5

BXC holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 428
Date: 18 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 428
Exercise price
Footnotes: F2, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote 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.

Footnote F2

Each restricted stock unit represents a contingent right to receive one share of BlueLinx Holdings Inc. common stock.

Footnote F3

These shares were withheld to cover tax withholding obligations when 232 time-based restricted stock units vested on October 18, 2025.

Footnote 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.

Footnote 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.

Footnote 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.