Companies: 10,795·Total market cap: $144.5T
CECO Environmental Corp.

CECO Environmental Corp.

CECONASDAQIndustrials● Active
$79.28
+$1.26(+1.61%)
Market Cap$2.8B
P/E Ratio
52W High$92
52W Low$25.96
Overview

CECO Environmental Corp. (CECO) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · CECO · as of Jun 8, 2026

Activity summary

Buy transactions

5

P-Purchase only

Sell transactions

13

12 Months

Buy/Sell ratio

0.38

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 28%Active transactions only · RSU vesting excluded72% Sell ↓

CECO Environmental Corp. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

CECO insider buying and selling by quarter

CECO insider selling · CECO insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
723K361K0
2025 Q2
2025 Q3
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · CECO ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

CECO executive sell shares · CECO board member insider trading · CECO insider trading SEC filing

Showing 84 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

SACHS VALERIE GENTILE

Director

Award

Date

Jun 1

Shares

3,190

Price

Value

View Form 4 on SEC.gov

WALLMAN RICHARD F

Director

Award

Date

Jun 1

Shares

3,443

Price

Value

View Form 4 on SEC.gov

WALLMAN RICHARD F

Director

Purchase

Date

Jun 1

Shares

20,000

Price

$76.85

Value

$1.54M ⚡

View Form 4 on SEC.gov

SIEGEL LAURIE

Director

Award

Date

Jun 1

Shares

2,215

Price

Value

View Form 4 on SEC.gov

KNOWLING ROBERT E JR

Director

Award

Date

Jun 1

Shares

2,215

Price

Value

View Form 4 on SEC.gov

Nanda Munish

Director

Award

Date

Jun 1

Shares

2,215

Price

Value

View Form 4 on SEC.gov

Mannarino Claudio A

Director

Award

Date

Jun 1

Shares

1,108

Price

Value

View Form 4 on SEC.gov

DEZWIREK JASON

Director

Award

Date

Jun 1

Shares

2,215

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

625

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

4,679

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

1,401

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

6,313

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

2,735

Price

Value

View Form 4 on SEC.gov

Harris-Peterson Candace

Chief Human Resources Officer

Award

Date

Jun 1

Shares

3,133

Price

Value

View Form 4 on SEC.gov

GEORGE MARCUS J

Director

Award

Date

Jun 1

Shares

2,215

Price

Value

View Form 4 on SEC.gov

GEORGE MARCUS J

Director

Award

Date

Jun 1

Shares

36,690

Price

Value

View Form 4 on SEC.gov

RICHEY VICTOR L JR

Director

Award

Date

Jun 1

Shares

6,378

Price

Value

View Form 4 on SEC.gov

Nanda Munish

Director

Sale

Date

May 1

Shares

11,218

Price

$74.00

Value

$830K

View Form 4 on SEC.gov

WALLMAN RICHARD F

Director

Purchase

Date

Apr 29

Shares

10,000

Price

$73.25

Value

$733K

View Form 4 on SEC.gov

WALLMAN RICHARD F

Director

Purchase

Date

Apr 29

Shares

5,000

Price

$73.80

Value

$369K

View Form 4 on SEC.gov

Johansson Peter K.

SVP, Chief Financial Officer

Other

Date

Mar 31

Shares

653

Price

$59.58

Value

$39K

View Form 4 on SEC.gov

Gleason Todd R

CEO · Director

Other

Date

Mar 31

Shares

2,110

Price

$59.58

Value

$126K

View Form 4 on SEC.gov

Gregory Alyson Noel

General Counsel

Other

Date

Mar 31

Shares

175

Price

$59.58

Value

$10K

View Form 4 on SEC.gov

Gregory Alyson Noel

General Counsel

Award

Date

Mar 16

Shares

3,155

Price

Value

View Form 4 on SEC.gov

Gregory Alyson Noel

General Counsel

Other

Date

Mar 17

Shares

139

Price

$57.06

Value

$8K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About CECO insider trading

CECO insider trades

CECO Environmental Corp. (CECO) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Gleason Todd R (CEO · Director), WALLMAN RICHARD F (Director), Johansson Peter K. (SVP, Chief Financial Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. CECO insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For CECO Environmental Corp.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

CECO insider trading · 5 questions

The insiders of CECO Environmental Corp. (CECO) include executives and directors such as Gleason Todd R (CEO · Director), WALLMAN RICHARD F (Director), Johansson Peter K. (SVP, Chief Financial Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

CECO board member insider tradingwho are CECO insidersCECO insider rosterCECO Environmental Corp. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026