CECO Environmental Corp (CECO) counsel reports 287-share tax-withholding disposition

Rhea-AI Filing Summary

CECO Environmental Corp General Counsel Alyson Noel reported a Form 4 transaction involving company common stock. On the reported date, 287 shares were disposed of through a tax-withholding arrangement tied to the vesting of restricted stock units, rather than an open-market sale. After this withholding, Noel directly owned 20,328 common shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gregory Alyson Noel

(Last) (First) (Middle)

5080 SPECTRUM DRIVE

SUITE 800E

(Street)

ADDISON TX 75001

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CECO ENVIRONMENTAL CORP [ CECO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
03/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/07/2026		F(1)		287	D	$52.53	20,328	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

	/s/ Kiril Kovachev as Attorney-in-Fact for Alyson Gregory	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did CECO (CECO) report for Alyson Noel?

CECO reported that General Counsel Alyson Noel had 287 common shares disposed in a tax-withholding transaction. The shares were withheld to cover tax obligations arising from the vesting of restricted stock units, rather than sold in the open market.

How many CECO common shares were involved in Alyson Noel’s Form 4 filing?

The Form 4 shows 287 CECO common shares were disposed in connection with restricted stock unit vesting. These shares were withheld to satisfy tax liabilities, reflecting a non-market transaction commonly used to settle withholding obligations for equity awards.

Did CECO’s General Counsel sell shares on the open market in this Form 4?

The Form 4 indicates no open-market sale by CECO’s General Counsel. Instead, 287 shares were withheld for net settlement to cover tax liabilities triggered by the vesting of restricted stock units, a standard administrative equity compensation process.

How many CECO shares does Alyson Noel hold after the reported transaction?

After the tax-withholding disposition, Alyson Noel directly owns 20,328 CECO common shares. This post-transaction balance reflects her remaining direct equity stake following the withholding of 287 shares to satisfy tax liabilities from restricted stock unit vesting.

What does transaction code F mean in the CECO Form 4 for Alyson Noel?

Transaction code F denotes a tax-withholding disposition to cover exercise price or tax liability by delivering securities. In this CECO filing, it reflects 287 shares withheld for net settlement of taxes linked to restricted stock units vesting, not an elective share sale.