Significant Ownership of JASON DEZWIREK

Signature - Title: /s/ Jason DeZwirek - Jason DeZwirek
Location: Toronto, Ontario, Canada
Summary: This page shows a list of all the recent SCHEDULE 13D/G filings made by JASON DEZWIREK.

Notify me when JASON DEZWIREK files a new Schedule 13D/G report.

Sym	Company	Class	Ownership	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
CECO	CECO ENVIRONMENTAL CORP	Common Stock, $0.01 par value	12%	$259,443,260		4,198,111		Jason DeZwirek	23 Feb 2026

Schedules 13D/G Reported by JASON DEZWIREK:

Sym	Target	Class	Ownership	Change	Current Shares	Change	Value	Reporting name	Form	Report Period	Filing Date

* An asterisk sign (*) next to the price indicates that the price is likely invalid.