Insider Transactions Reported by 33 Insiders of Builders FirstSource, Inc.

Symbol: BLDR on NYSE
Location: Irving, TX

Key facts

BLDR - Builders FirstSource, Inc. has 33 insiders with reported activity on this page.
Net insider value flow over the last year: +$4,039,582.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: $4,611,494; sell value: $571,912.
Net share flow: +45,698.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$4,039,582.

Buys

$4,611,494

Shares: 51,948

Insiders: 2

Sells

$571,912

Shares: 6,250

Insiders: 2

Net

+$4,039,582

Shares: +45,698

Insiders: 0

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	50,000	5,000	$4,386,500	$390,850	+$3,995,650
3-6	0	0	$0	$0	$0
6-9	0	0	$0	$0	$0
9-12	1,948	1,250	$224,994	$181,062	+$43,932

Builders FirstSource, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Paul S. Levy	Director	$142,410,235	+$4,386,500	+3.2%	Median	14 May 2026
David E. Flitman	President and CEO, Director	$62,427,275			Mixed	15 Mar 2022
Peter M. Jackson	President & CEO, Director	$34,972,875			Mixed	15 Mar 2026
Scott L. Robins	President - West Division	$19,423,139			Mixed	15 Mar 2026
David W. Bullock	Director	$14,553,951			Mixed	15 Jun 2021
Stephen J. Herron	Chief Operating Officer	$14,268,746			Mixed	15 Mar 2026
Pete Beckmann	Evp & Cfo	$10,469,439			Mixed	15 Mar 2026
Jami Beckmann	Principal Accounting Officer	$10,398,186			Mixed	22 May 2024
David E. Rush	Director	$10,278,241	-$390,850	-3.7%	Median	14 May 2026
Michael Alan Farmer	President - Commercial Ops	$9,967,826			Mixed	22 May 2024
Timothy D. Johnson	EVP & General Counsel	$9,921,470	-$181,063	-1.8%	Mixed	22 Aug 2025
Craig Arthur Steinke	Director	$8,362,340			Median	14 May 2026
James Oleary	Director	$7,470,624			Median	14 May 2026
Michael Hiller	Chief Talent Officer	$6,811,653			Mixed	15 Mar 2026
Brett N. Milgrim	Director	$6,803,257			Median	14 May 2026
Daniel Agroskin	Director	$5,307,413			Mixed	01 Jun 2022
Todd Vance	President - East Division	$5,049,217	+$224,994	+4.7%	Mixed	15 Mar 2026
Paul Vaughn	President - Central Division	$4,797,514			Mixed	15 Mar 2026
Amy B. Messersmith	Chief People Officer	$4,324,016			Mixed	22 May 2024
Gayatri Narayan	President - Tech & Digital	$3,993,091			Mixed	15 Mar 2026
Mark A. Alexander	Director	$3,911,004			Median	14 May 2026
Cleveland A. Christophe	Director	$3,104,417			Median	14 May 2026
Paul M. McCrobie	President - East Division	$2,802,301			Mixed	15 Mar 2025
William B. Hayes	Director	$2,776,413			Median	14 May 2026
Cory Jacobs Boydston	Director	$2,166,266			Median	14 May 2026
Floyd F. Sherman	Director	$2,034,882			Mixed	14 Jun 2022
Jonathan P. Cope	President - Commercial	$1,768,343			Mixed	15 Mar 2026
Dirkson R. Charles	Director	$1,554,966			Median	14 May 2026
Alena Brenner	EVP, CLO and Corp. Sec.	$1,481,034			Median	20 Apr 2026
Matthew Trester	Principal Accounting Officer	$594,456			Mixed	15 Mar 2026
Maria Renz	Director	$490,275			Median	14 May 2026
Cheryl Ainoa	Director	$381,105			Median	14 May 2026
Matthew Coley O'Brien	Chief Human Resources Officer				Mixed	18 May 2026

Top shareholders of Builders FirstSource, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13D/G 13F	Company	7.5%	8,472,425	$1,024,400,907	$0	31 Mar 2025	13D/G 13F
VANGUARD CAPITAL MANAGEMENT LLC	13D/G 13F	Vanguard Capital Management · Company	7.2%	7,972,037	$656,337,806	$0	31 Mar 2026	13D/G 13F
FMR LLC	13D/G 13F	Company	3.3%	3,699,740	$441,564,014	-$975,081,623	28 Nov 2025	13D/G 13F
Paul S. Levy	3/4/5	Director	1.6%	1,729,749	$142,410,235	+$4,386,500	14 May 2026	3/4/5
Peter M. Jackson	3/4/5	President & CEO, Director	0.25%	272,332	$34,972,875	—	15 Mar 2026	3/4/5
Scott L. Robins	3/4/5	President - West Division	0.14%	151,247	$19,423,139	—	15 Mar 2026	3/4/5
David E. Rush	3/4/5	Director	0.11%	124,842	$10,278,241	-$390,850	14 May 2026	3/4/5
Stephen J. Herron	3/4/5	Chief Operating Officer	0.1%	111,110	$14,268,746	—	15 Mar 2026	3/4/5
Craig Arthur Steinke	3/4/5	Director	0.09%	101,571	$8,362,340	—	14 May 2026	3/4/5
James Oleary	3/4/5	Director	0.08%	90,740	$7,470,624	—	14 May 2026	3/4/5
Brett N. Milgrim	3/4/5	Director	0.07%	82,634	$6,803,257	—	14 May 2026	3/4/5
Pete Beckmann	3/4/5	EVP & CFO	0.07%	81,525	$10,469,439	—	15 Mar 2026	3/4/5
Timothy D. Johnson	3/4/5	EVP & General Counsel	0.07%	73,151	$9,921,470	-$181,063	22 Aug 2025	3/4/5
Michael Hiller	3/4/5	Chief Talent Officer	0.05%	53,042	$6,811,653	—	15 Mar 2026	3/4/5
Mark A. Alexander	3/4/5	Director	0.04%	47,504	$3,911,004	—	14 May 2026	3/4/5
Todd Vance	3/4/5	President - East Division	0.04%	39,318	$5,049,217	+$224,994	15 Mar 2026	3/4/5
Cleveland A. Christophe	3/4/5	Director	0.03%	37,707	$3,104,417	—	14 May 2026	3/4/5
Paul Vaughn	3/4/5	President - Central Division	0.03%	37,358	$4,797,514	—	15 Mar 2026	3/4/5
William B. Hayes	3/4/5	Director	0.03%	33,723	$2,776,413	—	14 May 2026	3/4/5
Gayatri Narayan	3/4/5	President - Tech & Digital	0.03%	31,094	$3,993,091	—	15 Mar 2026	3/4/5
Cory Jacobs Boydston	3/4/5	Director	0.02%	26,312	$2,166,266	—	14 May 2026	3/4/5
Dirkson R. Charles	3/4/5	Director	0.02%	18,887	$1,554,966	—	14 May 2026	3/4/5
Alena Brenner	3/4/5	EVP, CLO and Corp. Sec.	0.02%	17,989	$1,481,034	—	20 Apr 2026	3/4/5
Jonathan P. Cope	3/4/5	President - Commercial	0.01%	13,770	$1,768,343	—	15 Mar 2026	3/4/5
Maria Renz	3/4/5	Director	0.01%	5,955	$490,275	—	14 May 2026	3/4/5
Matthew Trester	3/4/5	Principal Accounting Officer	0%	4,629	$594,456	—	15 Mar 2026	3/4/5
Cheryl Ainoa	3/4/5	Director	0%	4,629	$381,105	—	14 May 2026	3/4/5
STATE STREET CORP	13F	Company	4.6%	5,120,090	$421,537,010	—	31 Mar 2026	13F
VANGUARD PORTFOLIO MANAGEMENT LLC	13F	Company	3.9%	4,318,795	$355,566,392	—	31 Mar 2026	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3.3%	3,679,457	$302,929,695	—	31 Mar 2026	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.7%	2,967,744	$244,300,941	—	31 Mar 2026	13F
Capital International Investors	13F	Company	2.7%	2,943,131	$242,307,975	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.6%	2,884,519	$236,562,009	—	31 Mar 2026	13F
SANDS CAPITAL MANAGEMENT, LLC	13F	Company	2.4%	2,621,085	$215,793,928	—	31 Mar 2026	13F
Invesco Ltd.	13F	Company	2.4%	2,604,322	$214,413,830	—	31 Mar 2026	13F
Brave Warrior Advisors, LLC	13F	Company	2.1%	2,372,292	$195,310,800	—	31 Mar 2026	13F
Coliseum Capital Management, LLC	13F	Company	1.9%	2,093,218	$172,334,638	—	31 Mar 2026	13F
DIAMOND HILL CAPITAL MANAGEMENT INC	13F	Company	1.6%	1,763,934	$145,224,686	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.6%	1,716,804	$141,344,473	—	31 Mar 2026	13F
Focus Partners Wealth	13F	Company	1.5%	1,663,200	$136,931,332	—	31 Mar 2026	13F
Boston Partners	13F	Company	1.4%	1,602,360	$131,908,852	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	1.3%	1,413,231	$116,351,346	—	31 Mar 2026	13F
Pictet Asset Management Holding SA	13F	Company	1.2%	1,378,332	$113,478,074	—	31 Mar 2026	13F
DEUTSCHE BANK AG\	13F	Company	1%	1,134,505	$93,403,796	—	31 Mar 2026	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	1%	1,121,077	$92,298,269	—	31 Mar 2026	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	0.96%	1,061,232	$87,371,231	—	31 Mar 2026	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.92%	1,018,615	$83,862,573	—	31 Mar 2026	13F
NORTHERN TRUST CORP	13F	Company	0.86%	954,772	$78,606,380	—	31 Mar 2026	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.8%	885,081	$72,868,718	—	31 Mar 2026	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.78%	860,494	$70,844,490	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for Builders FirstSource, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Paul S. Levy	BLDR	Common Stock, par value $0.01 per share	Award	0.15%			2,558	1,729,749	14 May 2026	Direct
William B. Hayes	BLDR	Common Stock, par value $0.01 per share	Award	15.4%			2,558	19,130	14 May 2026	Direct
Maria Renz	BLDR	Common Stock, par value $0.01 per share	Award	75.3%			2,558	5,955	14 May 2026	Direct
Mark A. Alexander	BLDR	Common Stock, par value $0.01 per share	Award	5.69%			2,558	47,504	14 May 2026	Direct
Cleveland A. Christophe	BLDR	Common Stock, par value $0.01 per share	Award	7.28%			2,558	37,707	14 May 2026	Direct
David E. Rush	BLDR	Common Stock, par value $0.01 per share	Award	2.09%			2,558	124,842	14 May 2026	Direct
Cory Jacobs Boydston	BLDR	Common Stock, par value $0.01 per share	Award	10.8%			2,558	26,312	14 May 2026	Direct
Brett N. Milgrim	BLDR	Common Stock, par value $0.01 per share	Award	3.19%			2,558	82,634	14 May 2026	Direct
Cheryl Ainoa	BLDR	Common Stock, par value $0.01 per share	Award	123.5%			2,558	4,629	14 May 2026	Direct
Craig Arthur Steinke	BLDR	Common Stock, par value $0.01 per share	Award	2.58%			2,558	101,571	14 May 2026	Direct
Dirkson R. Charles	BLDR	Common Stock, par value $0.01 per share	Award	22.6%			2,558	13,887	14 May 2026	Direct
James Oleary	BLDR	Common Stock, par value $0.01 per share	Award	2.9%			2,558	90,740	14 May 2026	Direct
David E. Rush	BLDR	Common Stock, par value $0.01 per share	Sale	-3.93%	$390,850	$78.17	-5,000	122,284	08 May 2026	Direct
Paul Vaughn	BLDR	Common Stock, par value $0.01 per share	Tax liability	-6.56%			-2,622	37,358	15 Mar 2026	Direct
Paul Vaughn	BLDR	Common Stock, par value $0.01 per share	Award	32.9%			9,900	39,980	15 Mar 2026	Direct
Stephen J. Herron	BLDR	Common Stock, par value $0.01 per share	Tax liability	-4.98%			-5,818	111,110	15 Mar 2026	Direct
Stephen J. Herron	BLDR	Common Stock, par value $0.01 per share	Award	23.1%			21,975	116,928	15 Mar 2026	Direct
Peter M. Jackson	BLDR	Common Stock, par value $0.01 per share	Tax liability	-3.03%			-8,508	272,332	15 Mar 2026	Direct
Peter M. Jackson	BLDR	Common Stock, par value $0.01 per share	Award	22.2%			50,962	280,840	15 Mar 2026	Direct
Michael Hiller	BLDR	Common Stock, par value $0.01 per share	Tax liability	-5.85%			-3,294	53,042	15 Mar 2026	Direct
Michael Hiller	BLDR	Common Stock, par value $0.01 per share	Award	43%			16,946	56,336	15 Mar 2026	Direct
Scott L. Robins	BLDR	Common Stock, par value $0.01 per share	Tax liability	-3.24%			-5,057	151,247	15 Mar 2026	By trust
Scott L. Robins	BLDR	Common Stock, par value $0.01 per share	Award	10.7%			15,101	156,304	15 Mar 2026	By trust
Jonathan P. Cope	BLDR	Common Stock, par value $0.01 per share	Award	70.1%			5,676	13,770	15 Mar 2026	Direct
Jonathan P. Cope	BLDR	Common Stock, par value $0.01 per share	Tax liability	-8.37%			-739	8,094	15 Mar 2026	Direct
Gayatri Narayan	BLDR	Common Stock, par value $0.01 per share	Award	43.1%			9,365	31,094	15 Mar 2026	Direct
Matthew Trester	BLDR	Common Stock, par value $0.01 per share	Tax liability	-12.3%			-648	4,629	15 Mar 2026	Direct
Matthew Trester	BLDR	Common Stock, par value $0.01 per share	Award	67%			2,117	5,277	15 Mar 2026	Direct
David E. Rush	BLDR	Common Stock, par value $0.01 per share	Tax liability	-1.8%			-2,332	127,284	15 Mar 2026	Direct
Pete Beckmann	BLDR	Common Stock, par value $0.01 per share	Tax liability	-4.15%			-1,873	43,259	15 Mar 2026	By spouse
Pete Beckmann	BLDR	Common Stock, par value $0.01 per share	Award	14.3%			5,643	45,132	15 Mar 2026	By spouse
Pete Beckmann	BLDR	Common Stock, par value $0.01 per share	Tax liability	-4.89%			-1,966	38,266	15 Mar 2026	Direct
Pete Beckmann	BLDR	Common Stock, par value $0.01 per share	Award	46.4%			12,750	40,232	15 Mar 2026	Direct
Todd Vance	BLDR	Common Stock, par value $0.01 per share	Tax liability	-4.15%			-1,703	39,318	15 Mar 2026	Direct
Todd Vance	BLDR	Common Stock, par value $0.01 per share	Award	31.8%			9,900	41,021	15 Mar 2026	Direct
Paul S. Levy	BLDR	Common Stock, par value $0.01 per share	Purchase	2.98%	$4,386,500	$87.73	50,000	1,727,191	13 Mar 2026	Direct
James Oleary	BLDR	Common Stock, par value $0.01 per share	Award	0.41%			359	88,182	01 Mar 2026	Direct
Mark A. Alexander	BLDR	Common Stock, par value $0.01 per share	Award	0.67%			299	44,946	01 Mar 2026	Direct
Cory Jacobs Boydston	BLDR	Common Stock, par value $0.01 per share	Award	1.27%			299	23,754	01 Mar 2026	Direct
Craig Arthur Steinke	BLDR	Common Stock, par value $0.01 per share	Award	0.36%			359	99,013	01 Mar 2026	Direct
William B. Hayes	BLDR	Common Stock, par value $0.01 per share	Award	2.29%			371	16,572	01 Mar 2026	Direct
Dirkson R. Charles	BLDR	Common Stock, par value $0.01 per share	Award	2.71%			299	11,329	01 Mar 2026	Direct
Cleveland A. Christophe	BLDR	Common Stock, par value $0.01 per share	Award	1.03%			359	35,149	01 Mar 2026	Direct
Maria Renz	BLDR	Common Stock, par value $0.01 per share	Award	10.1%			311	3,397	01 Mar 2026	Direct
Paul S. Levy	BLDR	Common Stock, par value $0.01 per share	Award	0.05%			767	1,677,191	01 Mar 2026	Direct
Pete Beckmann	BLDR	Common Stock, par value $0.01 per share	Gift	-4.82%			-2,000	39,489	11 Dec 2025	By spouse
David E. Rush	BLDR	Common Stock, par value $0.01 per share	Gift	-0.77%			-1,000	129,616	04 Dec 2025	Direct
Cory Jacobs Boydston	BLDR	Common Stock, par value $0.01 per share	Award	1.2%			278	23,455	01 Dec 2025	Direct
Dirkson R. Charles	BLDR	Common Stock, par value $0.01 per share	Award	2.59%			278	11,030	01 Dec 2025	Direct
Craig Arthur Steinke	BLDR	Common Stock, par value $0.01 per share	Award	0.34%			334	98,654	01 Dec 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.