JASON DEZWIREK - 23 Feb 2026 SCHEDULE 13D/A Report for CECO ENVIRONMENTAL CORP Common Stock, $0.01 par value (CECO)

Filing Manager
JASON DEZWIREK
Reporting Manager
Jason DeZwirek
Security
CECO ENVIRONMENTAL CORP Common Stock, $0.01 par value
Symbol
CECO
Shares outstanding
35,881,291 shares
Disclosed Ownership
4,198,111 shares
Ownership
12%
Form type
SCHEDULE 13D/A
Filing time
26 Feb 2026, 18:26:08 UTC
Date of event
23 Feb 2026
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Jason DeZwirek 12% 4,198,111 4,198,111 0 /s/ Jason DeZwirek Jason DeZwirek 0000946589
Icarus Investment Corp. 7.8% 2,770,546 0 2,770,546 /s/ Jason DeZwirek Jason DeZwirek
0to100 Inc. 0.6% 200,000 0 200,000 /s/ Jason DeZwirek Jason DeZwirek