IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Rossby Financial, LCC's Holding History (CIK: 0002056510)

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

Q4 2025

Shares 313 Value ($000) $212 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 496 Value ($000) $308 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 502 Value ($000) $269 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 498 Value ($000) $218 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 532 Value ($000) $220 Avg Close $438.63 Range $398.50 - $505.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	313	$212	$681.02	$600.57 - $769.98
Q3 2025	496	$308	$606.98	$506.91 - $688.12
Q2 2025	502	$269	$478.19	$356.14 - $537.47
Q1 2025	498	$218	$434.21	$404.60 - $474.67
Q4 2024	532	$220	$438.63	$398.50 - $505.52