CECO director granted 2,215 shares, updates holdings

CECO Environmental director Robert E. Knowling Jr. reported a compensation-related stock award and updated equity holdings.

Rhea-AI Filing Summary

CECO Environmental director Robert E. Knowling Jr. reported a compensation-related stock award and updated equity holdings. On June 1, 2026, he received 2,215 shares of common stock as a grant, bringing his direct common stock holdings to 13,077 shares after the transaction.

He also holds restricted stock units (RSUs) under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors, representing 20,311 underlying shares of common stock. Each RSU is a contingent right to receive one common share, with conversion and distribution deferred until his service as a company director ends.

Insider Trade Summary

Grant/Award: 2,215 shares

Grant/Award 2 txns

Insider KNOWLING ROBERT E JR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,215	$0.00	$0.00
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Common Stock — 13,077 shares (Direct); Restricted Stock Units — 20,311 contracts (Direct)

Footnotes (2)

1. F1. Represents restricted stock units granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.
2. F2. Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company director.

Key Figures

Common stock grant: 2,215 shares Direct common shares after grant: 13,077 shares Restricted stock units underlying shares: 20,311 shares +2 more

5 metrics

Common stock grant 2,215 shares Non-derivative stock award on June 1, 2026

Direct common shares after grant 13,077 shares Holdings following June 1, 2026 transaction

Restricted stock units underlying shares 20,311 shares RSUs under Deferred Compensation Plan, direct ownership

RSU exercise price $0.0000 per unit Conversion price for RSUs into common stock

Net buy/sell shares 0 shares No open-market buys or sells in this filing

Key Terms

Restricted Stock Units, Deferred Compensation Plan for Non-Employee Directors, contingent right, termination of service

4 terms

Restricted Stock Units financial

"Represents restricted stock units granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Deferred Compensation Plan for Non-Employee Directors financial

"granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors."

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share of the Company's common stock."

termination of service financial

"distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company director."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stock award did CECO (CECO) director Robert E. Knowling Jr. receive?

Robert E. Knowling Jr. received a grant of 2,215 shares of CECO Environmental common stock on June 1, 2026. This was reported as a compensation-related award rather than an open-market purchase or sale.

How many CECO (CECO) common shares does Robert E. Knowling Jr. now hold directly?

After the reported grant, Robert E. Knowling Jr. directly holds 13,077 shares of CECO Environmental common stock. This figure reflects his position immediately following the June 1, 2026 non-derivative stock award.

What restricted stock units does CECO (CECO) director Robert E. Knowling Jr. hold?

He holds restricted stock units representing 20,311 underlying CECO Environmental common shares. These RSUs were granted under the Deferred Compensation Plan for Non-Employee Directors and each unit represents a contingent right to receive one common share.

When will CECO (CECO) restricted stock units held by Robert E. Knowling Jr. convert to shares?

The RSUs convert to CECO Environmental common stock and are distributed only after his service as a company director ends. Until that termination of service, the units remain deferred under the company’s Deferred Compensation Plan.

Was the CECO (CECO) Form 4 transaction a market buy or sell of shares?

The filing shows a grant or award acquisition of 2,215 common shares, not an open-market buy or sell. It also reports existing restricted stock units but no market purchases or sales of CECO Environmental shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/03/2026 - 07:09 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

KNOWLING ROBERT E JR

(Last) (First) (Middle)

5080 SPECTRUM DRIVE

SUITE 800E

(Street)

ADDISON TEXAS 75001

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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

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

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

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	06/01/2026		A		2,215	A	$0	13,077	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
Restricted Stock Units	(1)							(2)	(2)	Common Stock	20,311		20,311	D

Explanation of Responses:

1. Represents restricted stock units granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

2. Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company director.

Remarks:

Exhibit 24: Power of Attorney

	/s/ Kiril Kovachev as Attorney-in-Fact for Robert E. Knowling, Jr.	06/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)