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Builders FirstSource, Inc. (BLDR)

Builders FirstSource, Inc. (BLDR) Insider Trading

Directors, officers and holders of more than 10% of BLDR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 223 transactions on file: 0 with code P, 1 with code S and 49 with other codes.

DateInsiderCodeShares
Oct 18, 2026Hiller MichaelA Award12,808
Sep 10, 2026Hayes William BA Award583
Sep 10, 2026Renz MariaA Award489
Sep 10, 2026CHRISTOPHE CLEVELAND AA Award564
Sep 10, 2026LEVY PAUL SA Award1,204
Sep 10, 2026Boydston Cory JacobsA Award470
Sep 10, 2026Charles Dirkson RA Award470
Sep 10, 2026OLEARY JAMESA Award564
Sep 10, 2026Steinke Craig ArthurA Award564
Jul 18, 2026Vaughn PaulA Award3,366
Jul 18, 2026O'Brien Matthew ColeyA Award7,406
Jul 18, 2026Vance ToddA Award3,366
Jun 13, 2026Narayan GayatriF Tax Payment2,842
Jun 5, 2026Herron Stephen JG Gift850
Jun 4, 2026Hiller MichaelG Gift900
Jun 1, 2026Boydston Cory JacobsA Award409
Jun 1, 2026LEVY PAUL SA Award1,049
Jun 1, 2026Charles Dirkson RA Award409
Jun 1, 2026Renz MariaA Award426
Jun 1, 2026CHRISTOPHE CLEVELAND AA Award491
Jun 1, 2026ALEXANDER MARK AA Award409
Jun 1, 2026Steinke Craig ArthurA Award491
Jun 1, 2026OLEARY JAMESA Award491
Jun 1, 2026Hayes William BA Award508
May 14, 2026ALEXANDER MARK AA Award2,558
May 14, 2026MILGRIM BRETT NA Award2,558
May 14, 2026Rush David EA Award2,558
May 14, 2026LEVY PAUL SA Award2,558
May 14, 2026CHRISTOPHE CLEVELAND AA Award2,558
May 14, 2026Hayes William BA Award2,558
May 14, 2026AINOA CHERYLA Award2,558
May 14, 2026Steinke Craig ArthurA Award2,558
May 14, 2026Boydston Cory JacobsA Award2,558
May 14, 2026OLEARY JAMESA Award2,558
May 14, 2026Renz MariaA Award2,558
May 14, 2026Charles Dirkson RA Award2,558
May 8, 2026Rush David ES Sale5,000
Mar 15, 2026Cope Jonathan PA Award5,676
Mar 15, 2026Narayan GayatriA Award9,365
Mar 15, 2026Beckmann PeteA Award3,406
Mar 15, 2026Hiller MichaelA Award11,352
Mar 15, 2026Trester MatthewA Award1,419
Mar 15, 2026Hiller MichaelA Award5,594
Mar 15, 2026Robins Scott LF Tax Payment5,057
Mar 15, 2026Beckmann PeteA Award2,237
Mar 15, 2026Cope Jonathan PF Tax Payment739
Mar 15, 2026Trester MatthewA Award698
Mar 15, 2026Herron Stephen JA Award6,650
Mar 15, 2026Herron Stephen JF Tax Payment5,818
Mar 15, 2026Hiller MichaelF Tax Payment3,294

The full Form 4 history is on the BLDR company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.