[Form 4] CECO ENVIRONMENTAL CORP Insider Trading Activity

CECO Environmental Corp senior vice president and chief financial officer Peter K. Johansson reported routine equity-related activity.

Rhea-AI Filing Summary

CECO Environmental Corp senior vice president and chief financial officer Peter K. Johansson reported routine equity-related activity. On March 31, 653 shares of common stock were withheld at a price of $59.58 per share to satisfy tax obligations, leaving him with 70,726 common shares held directly.

He also holds performance-based restricted stock units tied to the company’s common stock. Footnotes state 47,247 units are scheduled to convert to shares on July 5, 2027, and 30,000 units on September 12, 2029, in each case only if he remains employed and specified stock price targets are achieved over the performance periods.

Insider Trade Summary

Exercise Price or Tax Liability: 653 shares

Exercise Price or Tax Liability 3 txns

Insider Johansson Peter K.

Role SVP, Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	653	$59.58	$39K
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Common Stock — 70,726 shares (Direct); Restricted Stock Units — 77,247 contracts (Direct)

Footnotes (3)

1. F1. Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.
2. F2. 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.
3. F3. Conversion of restricted stock units to the Company's common stock will occur on September 12, 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.

Key Figures

Tax-withheld shares: 653 shares Tax-withholding price: $59.58 per share Common shares held: 70,726 shares +3 more

6 metrics

Tax-withheld shares 653 shares Common stock delivered for tax liability at $59.58 per share on March 31, 2026

Tax-withholding price $59.58 per share Value used for 653-share tax-withholding disposition on March 31, 2026

Common shares held 70,726 shares Direct CECO common stock ownership after March 31, 2026 tax-withholding

RSUs converting 2027 47,247 units Performance-based RSUs scheduled to convert on July 5, 2027 if conditions are met

RSUs converting 2029 30,000 units Performance-based RSUs scheduled to convert on September 12, 2029 if conditions are met

Tax-withholding shares summary 653 shares TaxWithholdingShares from transaction summary for Form 4

Key Terms

Restricted Stock Units, performance-based restricted stock units, tax-withholding disposition, contingent right

4 terms

Restricted Stock Units financial

"The CFO also holds performance-based restricted stock units tied to the company’s common stock."

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.

performance-based restricted stock units financial

"Footnotes state 47,247 units are scheduled to convert to shares on July 5, 2027, and 30,000 units on September 12, 2029, in each case only if he remains employed and specified stock price targets are achieved over the performance periods."

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

tax-withholding disposition financial

"On March 31, 653 shares of common stock were withheld at a price of $59.58 per share to satisfy tax obligations, leaving him with 70,726 common shares held directly."

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

contingent right financial

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

FAQ

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

What did CECO (CECO) CFO Peter Johansson report in this Form 4?

Peter K. Johansson reported a routine tax-withholding disposition of 653 CECO common shares and updated his equity holdings. The filing also details sizable performance-based restricted stock unit positions scheduled to convert into common shares if employment and stock price conditions are met.

How many CECO common shares does the CFO hold after this transaction?

After the March 31 tax-withholding event, the CFO directly holds 70,726 CECO common shares. This figure reflects his position following the 653 shares withheld for taxes and represents his ongoing direct ownership stake in the company’s common equity.

What was the price used for the 653 CECO shares withheld for taxes?

The 653 CECO common shares withheld for tax obligations were valued at $59.58 per share. This tax-withholding disposition was reported under transaction code F, which is used when shares are delivered to satisfy tax liabilities rather than sold in the open market.

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

The CFO holds performance-based restricted stock units representing 47,247 underlying CECO shares and a separate block representing 30,000 shares. Each restricted stock unit gives a contingent right to receive one common share, subject to employment and stock price performance conditions over specified periods.

When can the CECO CFO’s restricted stock units convert into common shares?

One grant of restricted stock units is scheduled to convert on July 5, 2027, and another on September 12, 2029. Conversion requires the CFO to remain employed by CECO and for the company’s stock to meet defined price targets during the performance periods.

Does this CECO Form 4 show an open-market sale by the CFO?

No, the filing shows a tax-withholding disposition of 653 shares, not an open-market sale. Shares were delivered to cover tax obligations tied to equity compensation, a common administrative step that does not represent a discretionary purchase or sale in the market.

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

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Accepted by SEC EDGAR 04/02/2026 - 03:17 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^*

Johansson Peter K.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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	03/31/2026		F		653	D	$59.58	70,726	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	47,247		47,247	D
Restricted Stock Units	(1)							(3)	(3)	Common Stock	30,000		30,000	D

Explanation of Responses:

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

2. 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.

3. Conversion of restricted stock units to the Company's common stock will occur on September 12, 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/ Kiril Kovachev as Attorney-in-Fact for Peter Johansson	04/02/2026
	** 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)