CECO Environmental (CECO) officer logs stock grant and tax-withheld shares

Rhea-AI Filing Summary

CECO Environmental’s Chief Accounting Officer, Kiril Kovachev, reported routine equity compensation activity involving common stock. On March 16, he received a grant of 1,753 shares at no cost, increasing his direct holdings.

On March 15 and 17, a total of 726 shares were disposed of to cover tax liabilities related to vesting restricted stock units, as reflected by Form 4 code F and the accompanying footnote. After these transactions, he directly holds 16,261 shares of CECO Environmental common stock.

Insights

Equity compensation and insider-transactions analyst

Routine stock grant with tax withholding; no open-market trades.

The filing shows CECO Environmental’s Chief Accounting Officer receiving a 1,753-share stock grant while 726 shares were withheld to satisfy tax obligations upon RSU vesting. These are standard compensation-related transactions rather than discretionary market buys or sells.

Following the activity, he holds 16,261 common shares directly, indicating he retains a meaningful equity stake. Because there are no open-market purchases or sales and no derivative exercises, the informational value for assessing sentiment is limited and the overall impact appears routine.

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

OMB APPROVAL

OMB Number:			3235-0287
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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^*

Kovachev Kiril

(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)
	Chief Accounting 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		F(1)		380	D	$54.5	14,854(2)	D
Common Stock	03/16/2026		A		1,753	A	$0	16,607	D
Common Stock	03/17/2026		F(1)		346	D	$57.06	16,261	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.

2. Includes 120 shares acquired under the CECO Environmental Corp. 2020 Employee Stock Purchase Plan.

Remarks:

Exhibit 24: Power of Attorney

	/s/ Alyson Gregory as Attorney-in-Fact for Kiril Kovachev	03/17/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did CECO (CECO) report for Kiril Kovachev?

CECO reported that Chief Accounting Officer Kiril Kovachev received a grant of 1,753 shares of common stock and had 726 shares withheld to cover tax liabilities related to restricted stock unit vesting. These movements reflect equity compensation mechanics, not open-market trading activity.

How many CECO (CECO) shares were granted to the Chief Accounting Officer?

The Chief Accounting Officer received a grant of 1,753 shares of CECO Environmental common stock at a price of $0.00 per share. This represents an equity award, recorded as an acquisition under transaction code A, rather than a market purchase for cash consideration.

Why were 726 CECO (CECO) shares disposed of in this Form 4?

A total of 726 CECO shares were disposed of under transaction code F to cover tax liabilities arising from the vesting of restricted stock units. The footnote explains these shares were withheld for net settlement, meaning they serviced tax obligations instead of being sold in the open market.

Did the CECO (CECO) insider sell any shares on the open market?

The Form 4 does not show any open-market sales. The only dispositions, totaling 726 shares, are coded F and described as shares withheld to pay tax liabilities on vested restricted stock units, which are administrative tax-settlement transactions rather than discretionary market sales.

What is Kiril Kovachev’s CECO (CECO) shareholding after these transactions?

After the reported grant and tax-withholding dispositions, Chief Accounting Officer Kiril Kovachev directly holds 16,261 shares of CECO Environmental common stock. This figure reflects his position following the latest transaction dated March 17 and provides context for the scale of the reported equity movements.

Do these CECO (CECO) insider transactions indicate a change in sentiment?

The transactions primarily reflect routine compensation and tax-settlement activity, not discretionary trading decisions. A stock grant and shares withheld for taxes are standard for equity awards, so they provide limited insight into the insider’s short-term view of CECO Environmental’s stock.