Sam Weston Henderson - 01 Jan 2026 Form 3 Insider Report for CECO ENVIRONMENTAL CORP (CECO)

Role: Title: SVP, Chief Human Resources Officer Exhibit 24: Power of Attorney
Signature: /s/ Kiril Kovachev as Attorney-in-Fact for Sam Henderson
Issuer symbol: CECO
Transactions as of: 01 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 12 Jan 2026, 17:51:40 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Henderson Sam Weston	Title: SVP, Chief Human Resources Officer Exhibit 24: Power of Attorney	5080 SPECTRUM DRIVE, SUITE 800E, ADDISON	/s/ Kiril Kovachev as Attorney-in-Fact for Sam Henderson	12 Jan 2026	0002104012

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	CECO	Common Stock						10,000	01 Jan 2026	Direct

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

Remarks:

Title: SVP, Chief Human Resources Officer Exhibit 24: Power of Attorney