David E. Rush - 08 May 2026 Form 4 Insider Report for Builders FirstSource, Inc. (BLDR)

Reporting relationship: Director
Issuer ticker: BLDR
Reported as of: 08 May 2026
Net transaction value: -$390,850
SEC form: 4
Accepted by SEC: 12 May 2026, 16:05:04 UTC
Prior SEC filing: 17 Mar 2026
Next SEC filing: 18 May 2026
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 12 May 2026.

Key facts

This page summarizes David E. Rush's Form 4 filing for Builders FirstSource, Inc. (BLDR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 May 2026, 16:05.

Change

Previous filing in this sequence was filed on 17 Mar 2026.
Current net transaction value: -$390,850.

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: 12 May 2026

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

Sale

Transaction value: $390,850
Shares: -5,000
Change %: -3.9%
Price: $78.17
Shares after: 122,284
Date: 08 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

This transaction was executed in multiple trades at prices ranging from $78.14 to $78.25 per share. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request by the SEC staff, the issuer, or a security holder of the issuer.