Builders FirstSource, Inc. BLDR NYSE

NYSE • Industrials • Construction • US • USD

SharesGrow Score

58/100

3/7 Pass

SharesGrow Intrinsic Value

Builders FirstSource, Inc. (BLDR) has 20 known insider and institutional holders on record. The largest holder is JLL Building Holdings, LLC with 14,344,584 shares. Other notable holders include Graff Michael and Warburg Pincus Private Equity IX, L.P..

Over the last 12 months, insiders have made 70 transactions in BLDR stock — 57 buys (valued at $61.96M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

BLDR Insider Ownership

Top Holder

JLL Building Holdings, LLC

14,344,584 shares

Buys (12 mo)

$61.96M value

Sells (12 mo)

$0.00 value

12-Month Transaction Activity

Buy 81%

Sell 0%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Jll Building Holdings, Llc	10 Percent Owner	14,344,584	2017-03-10	100%
2	Graff Michael	Director	13,263,266	2015-11-25	92%
3	Warburg Pincus Private Equity Ix, L.p.	10 Percent Owner	13,263,266	2015-11-25	92%
4	Stadium Capital Partners L P	10 Percent Owner	10,376,524	2015-04-15	72%
5	Levy Paul S	Director	1,727,191	2026-03-16	12%
6	Crow M Chad	CEO	338,684	2021-03-03	2%
7	Jackson Peter M.	President & CEO	272,332	2026-03-17	2%
8	Flitman David E	President and CEO	235,641	2022-03-17	2%
9	Mcaleenan Donald F	SVP & General Counsel	168,735	2020-03-03	1%
10	Robins Scott L	President - West Division	150,710	2026-03-17	1%
11	Rush David E	Director	127,284	2026-03-17	1%
12	Tolly Morris E	SVP - COO - East	124,040	2018-03-05	1%
13	Herron Stephen J	Chief Operating Officer	110,278	2026-03-17	1%
14	Barr David	Director	102,417	2020-12-02	1%
15	Bullock David W	Director	99,931	2021-06-17	1%
16	Steinke Craig Arthur	Director	99,013	2026-03-03	1%
17	Oleary James	Director	88,182	2026-03-03	1%
18	Milgrim Brett N	Director	80,076	2025-05-29	1%
19	Johnson Timothy D	EVP & General Counsel	73,151	2025-08-26	1%
20	Kruse Kevin	Director	67,075	2018-08-02	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-15	Narayan Gayatri	President - Tech & Digital	RSU Award	9,365	-	-
2026-03-15	Vance Todd	President - East Division	RSU Award	7,663	-	-
2026-03-15	Vaughn Paul	President - Central Division	Tax Withholding of RSU	2,622	$88.09	$230.97K
2026-03-15	Trester Matthew	Principal Accounting Officer	RSU Award	1,419	-	-
2026-03-15	Beckmann Pete	EVP & CFO	Tax Withholding of RSU	1,966	$88.09	$173.18K
2026-03-15	Cope Jonathan P	President - Commercial	Tax Withholding of RSU	739	$88.09	$65.1K
2026-03-15	Herron Stephen J	Chief Operating Officer	RSU Award	15,325	-	-
2026-03-15	Hiller Michael	Chief Talent Officer	RSU Award	11,352	-	-
2026-03-15	Rush David E	Director	Tax Withholding of RSU	2,332	$88.09	$205.43K
2026-03-15	Robins Scott L	President - West Division	RSU Award	9,507	-	-
2026-03-15	Jackson Peter M.	President & CEO	Tax Withholding of RSU	8,508	$88.09	$749.47K
2026-03-13	Levy Paul S	Director	Informative Buy	50,000	$87.73	$4.39M
2026-03-01	Renz Maria	Director	RSU Award	311	$104.29	$32.43K
2026-03-01	Steinke Craig Arthur	Director	RSU Award	359	$104.29	$37.44K
2026-03-01	Charles Dirkson R	Director	RSU Award	299	$104.29	$31.18K
2026-03-01	Hayes William B	Director	RSU Award	371	$104.29	$38.69K
2026-03-01	Boydston Cory Jacobs	Director	RSU Award	299	$104.29	$31.18K
2026-03-01	Alexander Mark A	Director	RSU Award	299	$104.29	$31.18K
2026-03-01	Oleary James	Director	RSU Award	359	$104.29	$37.44K
2026-03-01	Levy Paul S	Director	RSU Award	767	$104.29	$79.99K
2026-03-01	Christophe Cleveland A	Director	RSU Award	359	$104.29	$37.44K
2025-12-11	Beckmann Pete	EVP & CFO	Gift (Given)	2,000	-	-
2025-12-04	Rush David E	Director	Gift (Given)	1,000	-	-
2025-12-01	Renz Maria	Director	RSU Award	278	$112.23	$31.2K
2025-12-01	Steinke Craig Arthur	Director	RSU Award	334	$112.23	$37.48K