CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q1 2025

Shares 1,201,000 Value ($000) $27,383 Avg Close $26.66 Range $22.33 - $33.42

Q4 2024

Shares 1,272,000 Value ($000) $38,453 Avg Close $28.45 Range $21.63 - $35.16

Q3 2024

Shares 981,200 Value ($000) $27,670 Avg Close $28.13 Range $24.72 - $31.55

Q2 2024

Shares 821,200 Value ($000) $23,692 Avg Close $24.22 Range $20.00 - $29.11

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	1,201,000	$27,383	$26.66	$22.33 - $33.42
Q4 2024	1,272,000	$38,453	$28.45	$21.63 - $35.16
Q3 2024	981,200	$27,670	$28.13	$24.72 - $31.55
Q2 2024	821,200	$23,692	$24.22	$20.00 - $29.11