CECO CFO has 2,914 shares withheld for taxes

CECO ENVIRONMENTAL CORP executive Peter K. Johansson, SVP and Chief Financial Officer, reported an automatic tax-related disposition of company stock.

Rhea-AI Filing Summary

CECO ENVIRONMENTAL CORP executive Peter K. Johansson, SVP and Chief Financial Officer, reported an automatic tax-related disposition of company stock. On 2026-08-15, 2,914 shares of common stock were withheld at $79.59 per share to cover tax liabilities from vested restricted stock units, leaving him with 37,832 directly held common shares.

Johansson also reports performance-based restricted stock units that may convert into 47,247 shares of common stock on July 5, 2027 and 30,000 shares on September 12, 2029, in each case contingent on continued employment and achievement of specified stock price targets.

Insider Trade Summary

Tax Withholding: 2,914 shares

Tax Withholding 3 txns

Insider Johansson Peter K.

Role SVP, Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	2,914	$79.59	$232K
holding	Restricted Stock Units F2, F3	--	--	--
holding	Restricted Stock Units F2, F4	--	--	--

Holdings After Transaction: Common Stock — 37,832 shares (Direct); Restricted Stock Units — 77,247 contracts (Direct)

Footnotes (4)

1. F1. Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.
2. F2. Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.
3. F3. 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.
4. F4. 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

Shares withheld for tax: 2,914 shares Withholding price: $79.59 per share Shares held after transaction: 37,832 shares +2 more

5 metrics

Shares withheld for tax 2,914 shares Common stock withheld on 2026-08-15 to cover tax liability on RSU vesting

Withholding price $79.59 per share Value per share for 2,914 withheld common shares

Shares held after transaction 37,832 shares Directly held CECO common stock following 2026-08-15 withholding

Underlying shares RSUs (2027) 47,247 shares Performance-based RSUs convertible to common stock on July 5, 2027, if conditions are met

Underlying shares RSUs (2029) 30,000 shares Performance-based RSUs convertible to common stock on September 12, 2029, if conditions are met

Key Terms

Restricted Stock Units, performance-based restricted stock units, net settlement, contingent right

4 terms

Restricted Stock Units financial

"The security title is listed as "Restricted Stock Units" with underlying 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

"Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right"

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.

net settlement financial

"Reflects shares withheld for net settlement to cover the tax liability"

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

FAQ

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

What insider transaction did CECO (CECO) disclose for CFO Peter K. Johansson?

CECO disclosed that CFO Peter K. Johansson had 2,914 shares of common stock withheld on 2026-08-15 to cover tax liabilities from vested restricted stock units. This was reported as a code F tax-withholding transaction, not an open-market sale.

How many CECO (CECO) shares does Peter K. Johansson hold after this Form 4?

After the tax-withholding transaction, Peter K. Johansson directly holds 37,832 shares of CECO common stock. This figure reflects his position following the withholding of 2,914 shares used to satisfy tax obligations on restricted stock unit vesting.

At what price were CECO (CECO) shares withheld for Peter K. Johansson’s tax liability?

The 2,914 shares withheld to cover Peter K. Johansson’s tax liability were valued at $79.59 per share. This tax-withholding event is associated with the vesting of restricted stock units rather than a voluntary market sale of CECO shares.

What performance-based restricted stock units does CECO (CECO) CFO Peter K. Johansson report?

Johansson reports performance-based restricted stock units linked to 47,247 underlying shares and 30,000 underlying shares of CECO common stock. Each unit represents a contingent right to receive one share if employment and stock price performance conditions are met.

When could Peter K. Johansson’s CECO (CECO) performance-based RSUs convert to common stock?

The performance-based RSUs may convert into CECO common stock on July 5, 2027 for 47,247 shares and on September 12, 2029 for 30,000 shares, assuming continued employment and achievement of specified stock price targets during the performance periods.

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

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Available on EDGAR 08/18/2026 - 03:23 PM Accepted by SEC EDGAR 08/18/2026 - 03:23 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)
08/15/2026

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	08/15/2026		F(1)		2,914	D	$79.59	37,832	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	(2)							(3)	(3)	Common Stock	47,247		47,247	D
Restricted Stock Units	(2)							(4)	(4)	Common Stock	30,000		30,000	D

Explanation of Responses:

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

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

3. 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.

4. 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	08/18/2026
	** 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)