CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2022

Shares 12,487 Value ($000) $111 Avg Close $8.57 Range $5.70 - $10.80

Q2 2022

Shares 24,209 Value ($000) $145 Avg Close $5.54 Range $4.09 - $6.84

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	12,487	$111	$8.57	$5.70 - $10.80
Q2 2022	24,209	$145	$5.54	$4.09 - $6.84