BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

KINGDON CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001000097)

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

Q3 2025

Shares 150,000 Value ($000) $18,188 Avg Close $132.67 Range $115.57 - $151.03

Q2 2025

Shares 128,500 Value ($000) $14,995 Avg Close $115.39 Range $102.60 - $131.32

Q4 2017

Shares 735,690 Value ($000) $16,031 Avg Close $18.96 Range $16.52 - $22.08

Q3 2017

Shares 939,670 Value ($000) $16,905 Avg Close $16.13 Range $14.39 - $18.08

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	150,000	$18,188	$132.67	$115.57 - $151.03
Q2 2025	128,500	$14,995	$115.39	$102.60 - $131.32
Q4 2017	735,690	$16,031	$18.96	$16.52 - $22.08
Q3 2017	939,670	$16,905	$16.13	$14.39 - $18.08