CECO Environmental (NASDAQ: CECO) HR chief files initial insider Form 3

Rhea-AI Filing Summary

CECO Environmental Corp executive Candace Harris-Peterson, the company’s Chief Human Resources Officer, has filed an initial insider ownership report on Form 3. This filing establishes her status as a reporting person for CECO but does not list any stock purchases, sales, or other transactions.

Key Terms

Form 3, Chief Human Resources Officer, reporting person

3 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3):"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

Chief Human Resources Officer financial

""officer_title": "Chief Human Resources Officer""

The chief human resources officer is the senior executive who leads a company's people strategy—hiring, pay and benefits, training, workplace culture, legal compliance, and leadership development—like a head coach who builds and keeps the team. Investors care because the CHRO’s choices shape productivity, labor costs, turnover, regulatory risk and succession of key leaders; those outcomes affect a company’s profitability, growth potential and reputation in ways that show up on the balance sheet.

reporting person regulatory

""reportingPersons": [ { "name": "Harris-Peterson Candace""

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Harris-Peterson Candace

(Last) (First) (Middle)

5080 SPECTRUM DRIVE

SUITE 800E

(Street)

ADDISON TEXAS 75001

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/01/2026

3. Issuer Name and Ticker or Trading Symbol
CECO ENVIRONMENTAL CORP [ CECO ]

3a. Foreign Trading Symbol

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Human Resources Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24: Power of Attorney

No securities are beneficially owned.

	/s/ Kiril Kovachev as Attorney-in-Fact for Candace Harris-Peterson	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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the CECO Form 3 filing by Candace Harris-Peterson show?

The Form 3 shows that Candace Harris-Peterson is now an insider reporting person at CECO Environmental as Chief Human Resources Officer. It is an initial ownership statement and, in this case, does not report any stock transactions or derivative holdings.

Did Candace Harris-Peterson buy or sell CECO stock in this Form 3?

No, this Form 3 does not report any stock purchases, sales, or other transactions by Candace Harris-Peterson. It simply establishes her as an insider who must report future trades and holdings in CECO Environmental securities.

What role does Candace Harris-Peterson hold at CECO Environmental (CECO)?

Candace Harris-Peterson serves as Chief Human Resources Officer at CECO Environmental. Because of this officer role, securities regulations require her to file ownership reports such as Form 3 and any future Forms 4 or 5 for CECO stock activity.

Does the CECO Form 3 filing include any derivative securities details?

No, the insider data summary shows no derivative transactions and no remaining derivative positions for Candace Harris-Peterson. The filing lists zero derivative exercises, gifts, tax withholdings, or restructurings, indicating no reportable derivative activity at this time.

Why is there no buy or sell direction in this CECO Form 3 filing?

There is no buy or sell direction because the filing reports no transactions at all. The transaction summary lists zero buys, zero sells, and a neutral net share direction, reflecting that only insider status, not trading activity, is being recorded.