IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025

Shares 2,782 Value ($000) $1,882 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 3,191 Value ($000) $2,039 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 2 Value ($000) $1 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 247 Value ($000) $104 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 904 Value ($000) $374 Avg Close $438.63 Range $398.50 - $505.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,782	$1,882	$681.02	$600.57 - $769.98
Q3 2025	3,191	$2,039	$606.98	$506.91 - $688.12
Q2 2025	2	$1	$478.19	$356.14 - $537.47
Q1 2025	247	$104	$434.21	$404.60 - $474.67
Q4 2024	904	$374	$438.63	$398.50 - $505.52