CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q3 2025

Shares 56 Value ($000) $3 Avg Close $42.33 Range $28.26 - $52.46

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	56	$3	$42.33	$28.26 - $52.46