Capital International Investors - 30 Sep 2025 SCHEDULE 13G/A Report for CECO Environmental Corp. Common Stock (CECO)

Filing Manager: Capital International Investors
Reporting Manager: Capital International Investors
Security: CECO Environmental Corp. Common Stock
Symbol: CECO
Shares outstanding: 35,645,766 shares
Disclosed Ownership: 1,675,351 shares
Ownership: 4.7%
Form type: SCHEDULE 13G/A
Filing time: 13 Nov 2025, 11:04:42 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Capital International Investors	4.7%	1,675,351	1,675,351	0	Aaron Espin	Senior Vice President