CECO Environmental director sells 11,218 shares

CECO Environmental Corp director Munish Nanda reported an open-market sale of 11,218 shares of Common Stock on May 1, 2026 at a weighted average price of $74.0012 per share.

Rhea-AI Filing Summary

CECO Environmental Corp director Munish Nanda reported an open-market sale of 11,218 shares of Common Stock on May 1, 2026 at a weighted average price of $74.0012 per share. After this transaction, he directly holds 62,031 shares.

The price reflects a weighted average for multiple sales between $74.00 and $74.02 per share, and detailed trade-by-trade information is available upon request from the company, the SEC staff, or a security holder.

Insights

Equity markets analyst

Director executes routine open-market sale and retains sizable stake.

CECO Environmental director Munish Nanda sold 11,218 shares of Common Stock in an open-market transaction at a weighted average price of $74.0012 on May 1, 2026. Following the sale, he continues to hold 62,031 shares directly.

The sale used multiple trades between $74.00 and $74.02 per share, with the average price reported as allowed under SEC rules. No derivative exercises or tax-related dispositions were disclosed, and no remaining derivative positions appear in this filing.

This pattern resembles a straightforward stock sale rather than a complex liquidity event. Future SEC ownership reports from the company may further clarify whether this is part of an ongoing selling pattern or an isolated transaction.

Insider Trade Summary

Net Seller: 11,218 shares

Net Sell 1 txn

Insider Nanda Munish

Role Director

Sold 11,218 shs ($830K)

Type	Security	Shares	Price	Value
Sale	Common Stock	11,218	$74.0012	$830K

Holdings After Transaction: Common Stock — 62,031 shares (Direct)

Footnotes (1)

1. F1. Price reflects the weighted average sale price for multiple transactions that ranged from $74.00 to $74.02 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Key Figures

Shares sold: 11,218 shares Average sale price: $74.0012 per share Shares owned after sale: 62,031 shares +1 more

4 metrics

Shares sold 11,218 shares Open-market sale on May 1, 2026

Average sale price $74.0012 per share Weighted average across multiple trades

Shares owned after sale 62,031 shares Direct holdings following the transaction

Price range of trades $74.00–$74.02 per share Range for individual sales included in average

Key Terms

open-market sale, weighted average sale price, Common Stock, Form 4

4 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average sale price financial

"Price reflects the weighted average sale price for multiple transactions"

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did CECO (CECO) report for Munish Nanda?

CECO Environmental director Munish Nanda reported an open-market sale of 11,218 shares of Common Stock. The shares were sold on May 1, 2026, and the filing shows he continues to hold 62,031 shares directly after the transaction.

At what price did Munish Nanda sell CECO Environmental shares?

The reported sale used a weighted average price of $74.0012 per share. According to the filing, multiple trades occurred in a narrow range between $74.00 and $74.02 per share, with detailed trade prices available on request to the issuer or SEC staff.

How many CECO Environmental shares does Munish Nanda hold after this Form 4?

After the reported sale, director Munish Nanda directly holds 62,031 shares of CECO Environmental Common Stock. This figure reflects his position immediately following the 11,218-share open-market sale disclosed for May 1, 2026 in the Form 4 filing.

Was the CECO (CECO) insider transaction a purchase or a sale?

The Form 4 reports a sale by director Munish Nanda. It is classified as an open-market sale of 11,218 shares of Common Stock, with a weighted average sale price of $74.0012 per share across several closely priced trades on the same day.

Does the CECO Environmental Form 4 mention multiple trade prices?

Yes. The footnote explains the reported $74.0012 figure is a weighted average for several trades. Individual sales occurred between $74.00 and $74.02 per share, and the reporting person will provide detailed price and share information for each trade upon request.

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

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Accepted by SEC EDGAR 05/04/2026 - 03:04 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^*

Nanda Munish

(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)
05/01/2026

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	05/01/2026		S		11,218	D	$74.0012(1)	62,031	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. Price reflects the weighted average sale price for multiple transactions that ranged from $74.00 to $74.02 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Remarks:

Exhibit 24: Power of Attorney

	/s/ Kiril Kovachev as Attorney-in-Fact for Munish Nanda	05/04/2026
	** 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)