CECO Environmental (CECO) CEO granted new stock and option awards

Rhea-AI Filing Summary

CECO Environmental CEO Todd R. Gleason reported new equity awards and related tax withholding. He received a grant of 75,055 shares of Common Stock as compensation, with 29,535 shares withheld at $54.85 per share to cover taxes on vesting restricted stock units, leaving 452,798 shares held directly.

He was also granted a stock option for 17,563 shares at a $57.06 exercise price, vesting in three equal annual installments beginning March 16, 2027 and expiring March 16, 2036. The filing lists substantial existing option and performance-based restricted stock unit positions, plus small indirect holdings for his children.

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^*

Gleason Todd R

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

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	03/15/2026		A(1)		75,055	A	$0	482,333	D
Common Stock	03/15/2026		F(2)		29,535	D	$54.85	452,798	D
Common Stock								444	I	By first son
Common Stock								444	I	By second son
Common Stock								444	I	By third son
Common Stock								444	I	By daughter

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
Stock Option (right to buy)	$57.06	03/16/2026		A		17,563		(3)	(3)	Common Stock	17,563	$0	17,563	D
Stock Option (right to buy)	$6.36							(4)	(4)	Common Stock	316,902		316,902	D
Stock Option (right to buy)	$12.72							(5)	(5)	Common Stock	598,204		598,204	D
Stock Option (right to buy)	$21.31							(6)	(6)	Common Stock	25,446		25,446	D
Stock Option (right to buy)	$23.5							(7)	(7)	Common Stock	67,347		67,347	D
Restricted Stock Units	(8)							(9)	(9)	Common Stock	225,000		225,000	D
Restricted Stock Units	(8)							(10)	(10)	Common Stock	150,000		150,000	D

Explanation of Responses:

1. Represents performance share units earned.

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

3. The stock option vests in three equal annual installments beginning on March 16, 2027, and expires on March 16, 2036.

4. The stock option vested in four installments beginning on June 6, 2021, and expires on June 6, 2027.

5. The stock option vested in four installments beginning on June 6, 2021, and expires on June 6, 2027

6. The stock option vests in three equal annual installments beginning on March 15, 2025, and expires on March 15, 2034.

7. The stock option vests in three equal annual installments beginning on March 17, 2026, and expires on March 17, 2035.

8. Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.

9. Conversion of restricted stock units to the Company's common stock will occur on July 5, 2027 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

10. Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

	/s/ Alyson Gregory as Attorney-in-Fact for Todd Gleason	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did CECO (CECO) CEO Todd Gleason report on this Form 4?

Todd R. Gleason reported equity compensation changes, including new stock and option awards plus tax withholding. He received 75,055 Common Stock shares and 17,563 stock options, alongside an automatic withholding of 29,535 shares to satisfy tax obligations on restricted stock unit vesting.

How many CECO shares does the CEO directly hold after these transactions?

After these transactions, Todd R. Gleason directly holds 452,798 shares of CECO common stock. This reflects the net result after 75,055 shares were granted and 29,535 shares were withheld to cover tax liabilities related to restricted stock unit vesting.

What new stock option award did the CECO CEO receive?

Todd R. Gleason received a stock option for 17,563 shares of CECO common stock at a $57.06 exercise price. The option vests in three equal annual installments starting March 16, 2027 and expires on March 16, 2036, aligning value with longer-term company performance.

Was the CECO CEO’s share disposition a market sale?

The disposition reported was not an open-market sale. The 29,535 CECO shares were withheld at $54.85 per share to cover tax liabilities from vesting restricted stock units, a standard administrative mechanism rather than a discretionary sale of shares into the market.

What performance-based restricted stock units does the CECO CEO hold?

The CEO holds performance-based restricted stock units tied to CECO common stock. Conversions are scheduled for July 5, 2027 and June 4, 2029, if he remains employed and specified stock price targets are met over the performance periods, directly linking award value to share performance.

What other equity awards remain outstanding for the CECO CEO?

The filing lists multiple stock option positions with exercise prices of $6.36, $12.72, $21.31 and $23.50, plus performance-based restricted stock units. These positions represent significant remaining equity exposure, complementing his direct common stock holdings and aligning interests with longer-term shareholder outcomes.