CARMAX INC

Ticker: KMX CUSIP: 143130102 Class: COM

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025

Shares 26,988 Value ($000) $1,043 Avg Close $39.99 Range $30.26 - $47.44

Q3 2025

Shares 84,265 Value ($000) $3,781 Avg Close $59.71 Range $42.75 - $71.99

Q2 2025

Shares 6,448 Value ($000) $433 Avg Close $67.25 Range $61.34 - $82.79

Q1 2025

Shares 4,297 Value ($000) $335 Avg Close $80.17 Range $67.20 - $89.47

Q4 2024

Shares 33,346 Value ($000) $2,726 Avg Close $78.54 Range $69.95 - $91.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,988	$1,043	$39.99	$30.26 - $47.44
Q3 2025	84,265	$3,781	$59.71	$42.75 - $71.99
Q2 2025	6,448	$433	$67.25	$61.34 - $82.79
Q1 2025	4,297	$335	$80.17	$67.20 - $89.47
Q4 2024	33,346	$2,726	$78.54	$69.95 - $91.25