Stephen J Herron

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
11 Dec 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Gift	Dispose G	No	No	0	1,200	0.00	77,169
22 Nov 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Payment of exercise	Dispose F	No	No	175.91	3,270	575.23 k	78,369
9 May 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Gift	Dispose G	No	No	0	90	0.00	81,639
15 Mar 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Grant	Acquire A	No	No	0	3,837	0.00	81,729
15 Mar 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Payment of exercise	Dispose F	No	No	195.49	6,376	1.25 mm	77,892
15 Mar 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Grant	Acquire A	No	No	0	11,403	0.00	84,268
4 Mar 24	BLDR Builders FirstSource	Common Stock, par value $0.01 per share	Gift	Dispose G	No	No	0	225	0.00	72,865

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.