BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

PEAK6 LLC's Holding History (CIK: 0001389958)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 11,554 Value ($000) $1,189 Avg Close $112.38 Range $94.35 - $130.42

Q3 2025

Shares 18,792 Value ($000) $2,279 Avg Close $132.67 Range $115.57 - $151.03

Q2 2025

Shares 2,109 Value ($000) $246 Avg Close $115.39 Range $102.60 - $131.32

Q1 2025

Shares 30,024 Value ($000) $3,751 Avg Close $145.49 Range $119.65 - $175.12

Q4 2024

Shares 86,359 Value ($000) $12,343 Avg Close $176.96 Range $141.03 - $201.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,554	$1,189	$112.38	$94.35 - $130.42
Q3 2025	18,792	$2,279	$132.67	$115.57 - $151.03
Q2 2025	2,109	$246	$115.39	$102.60 - $131.32
Q1 2025	30,024	$3,751	$145.49	$119.65 - $175.12
Q4 2024	86,359	$12,343	$176.96	$141.03 - $201.53