David E. Rush - 01 Oct 2025 Form 4 Insider Report for Builders FirstSource, Inc. (BLDR)

Reporting relationship: Director
Issuer ticker: BLDR
Reported as of: 01 Oct 2025
Net transaction value: +$1,322,231
SEC form: 4
Accepted by SEC: 03 Oct 2025, 16:05:05 UTC
Prior SEC filing: 06 Aug 2025
Next SEC filing: 07 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Minator Azemi, by power of attorney

Key filing fact

David E. Rush filed Form 4 for Builders FirstSource, Inc. (BLDR) on 03 Oct 2025.

Key facts

This page summarizes David E. Rush's Form 4 filing for Builders FirstSource, Inc. (BLDR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Oct 2025, 16:05.

Change

Previous filing in this sequence was filed on 06 Aug 2025.
Current net transaction value: +$1,322,231.

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 0001760672 Primary reporting owner

Rush David E

Relationship: Director
Address: C/O BUILDERS FIRSTSOURCE, INC., 6031 CONNECTION DR., STE. 400, IRVING
Signature: /s/ Minator Azemi, by power of attorney
Signature date: 03 Oct 2025

Reported non-derivative transactions

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

BLDR transaction

Common Stock, par value $0.01 per share

Award

Transaction value: $2,947,224
Shares: +24,307
Change %: +20%
Price: $121.25
Shares after: 144,018
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F1

BLDR transaction

Common Stock, par value $0.01 per share

Tax liability

Transaction value: $1,624,992
Shares: -13,402
Change %: -9.3%
Price: $121.25
Shares after: 130,616
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Reflects the vesting of performance-based restricted stock units granted pursuant to the Corporation's 2014 Incentive Plan.

Footnote F2

Reflects shares withheld to pay tax withholding requirements on vesting of performance-based restricted stock units and previously granted restricted stock units.