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Filing Details

Accession Number:: 0001209191-10-027639
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-05-13 13:00:00
Reporting Period:: 2010-05-11

Filing Date:: 2010-05-13
Accepted Time:: 2010-05-13 17:00:09
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1316835	Builders Firstsource Inc.	BLDR	Retail-Lumber & Other Building Materials Dealers (5211)	522084569

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1327138	F Floyd Sherman	2001 Bryan Street Suite 1600 Dallas TX 75201	Ceo And President	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-11	3,348	$3.87	568,452	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,400	$3.87	567,052	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,500	$3.88	565,552	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,200	$3.89	564,352	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	400	$3.90	563,952	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	500	$3.92	563,452	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	6,350	$3.93	557,102	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,072	$3.95	556,030	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	4,007	$3.96	552,023	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,613	$3.97	550,410	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	400	$3.98	550,010	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	2,300	$3.99	547,710	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,714	$4.00	545,996	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	3,600	$4.01	542,396	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,408	$4.02	540,988	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	700	$4.03	540,288	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	100	$4.04	540,188	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	1,400	$4.05	538,788	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	4,282	$4.07	534,506	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-05-12	12,706	$4.08	521,800	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct