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CECO Insider Trading

Insider Ownership Percentage: 18.40%
Insider Buying (Last 12 Months): $339,915.00
Insider Selling (Last 12 Months): $20,233,754.13

CECO Environmental Insider Trading History Chart

This chart shows the insider buying and selling history at CECO Environmental by year and by quarter.

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CECO Environmental Share Price & Price History

Current Price: $81.71
Price Change: +0.30 (1.20%)
As of 05/22/2026 04:00 PM ET

This chart shows the closing price history over time for CECO up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

CECO Environmental Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/22/2025Todd R. GleasonCEOSell98,101$50.45$4,949,195.45410,835View SEC Filing Icon  
9/19/2025Todd R. GleasonCEOSell101,899$49.32$5,025,658.68410,835View SEC Filing Icon  
9/18/2025Todd R. GleasonCEOSell100,000$51.30$5,130,000.00410,835View SEC Filing Icon  
9/5/2025Richard F. WallmanDirectorBuy3,000$46.93$140,790.0080,500View SEC Filing Icon  
8/29/2025Richard F. WallmanDirectorBuy3,000$44.25$132,750.00219,909View SEC Filing Icon  
8/29/2025Richard F. WallmanDirectorBuy1,500$44.25$66,375.0077,500View SEC Filing Icon  
7/31/2025Jason DezwirekDirectorSell30,000$43.54$1,306,200.00200,000View SEC Filing Icon  
7/30/2025Claudio A MannarinoDirectorSell20,000$41.51$830,200.0077,589View SEC Filing Icon  
7/30/2025Jason DezwirekDirectorSell70,000$42.75$2,992,500.00230,000View SEC Filing Icon  
3/31/2025Peter K. JohanssonInsiderSell22,500$22.80$513,000.0062,160View SEC Filing Icon  
3/27/2025Peter K. JohanssonInsiderSell5,601$24.15$135,264.1584,660View SEC Filing Icon  
2/26/2025Richard F. WallmanDirectorBuy1,000$25.15$25,150.00207,117View SEC Filing Icon  
8/30/2024Richard F. WallmanDirectorBuy10,000$28.77$287,700.0062,000View SEC Filing Icon  
5/21/2024Richard F. WallmanDirectorBuy4,000$24.50$98,000.00205,319View SEC Filing Icon  
5/1/2024Richard F. WallmanDirectorBuy5,000$21.95$109,750.00191,853View SEC Filing Icon  
3/6/2024Laurie SiegelDirectorBuy2,500$19.87$49,675.007,906View SEC Filing Icon  
12/21/2023Todd R. GleasonCEOSell14,500$21.11$306,095.00184,965View SEC Filing Icon  
9/18/2023Richard F. WallmanDirectorBuy10,000$15.99$159,900.00133,205View SEC Filing Icon  
9/7/2023Richard F. WallmanDirectorBuy12,000$13.76$165,120.0052,000View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for CECO Environmental (NASDAQ:CECO)

68.08% of CECO Environmental stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CECO by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

CECO Environmental Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/22/2026Segall Bryant & Hamill LLC175,054$10.43M0.1%-4.9%0.488%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE76,339$4.55M0.0%-39.4%0.213%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC907,782$54.09M0.0%-1.5%2.531%Search for SEC Filing on Google Icon
5/19/2026Arkadios Wealth Advisors17,888$1.07M0.0%N/A0.050%Search for SEC Filing on Google Icon
5/18/2026Amundi168,199$10.02M0.0%-5.0%0.469%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System34,758$2.07M0.0%+26.8%0.097%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada2,843$0.17M0.0%-22.9%0.008%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 13,561$0.81M0.0%-4.6%0.038%Search for SEC Filing on Google Icon
5/15/2026Granahan Investment Management LLC92,728$5.53M0.3%-14.8%0.259%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership115,242$6.87M0.0%+310.6%0.321%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.111,313$6.63M0.0%+3.1%0.310%Search for SEC Filing on Google Icon
5/14/2026Walleye Capital LLC38,449$2.29M0.0%N/A0.107%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming1,962$0.12M0.0%-11.6%0.005%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers3,800$0.23M0.0%N/A0.011%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP156,563$9.33M0.0%+2.3%0.436%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP903,291$53.81M0.0%+0.9%2.518%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV740$44K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank59,900$3.57M0.0%+1.0%0.167%Search for SEC Filing on Google Icon
5/6/2026Bessemer Group Inc.216,494$12.90M0.0%+108,147.0%0.604%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC146,701$8.74M0.0%-24.5%0.409%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp86,405$5.15M0.0%-2.0%0.241%Search for SEC Filing on Google Icon
5/4/2026Calamos Advisors LLC58,053$3.46M0.0%+9.7%0.162%Search for SEC Filing on Google Icon
5/4/2026Emerald Mutual Fund Advisers Trust314,005$18.71M0.9%+20.5%0.875%Search for SEC Filing on Google Icon
5/4/2026Emerald Advisers LLC523,017$31.16M1.0%+14.1%1.458%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.34,485$2.06M0.0%+22.2%0.096%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp1,154$69K0.0%N/A0.003%Search for SEC Filing on Google Icon
5/1/2026Kornitzer Capital Management Inc. KS12,015$0.72M0.0%N/A0.033%Search for SEC Filing on Google Icon
4/30/2026Equitable Trust Co.5,270$0.31M0.0%N/A0.015%Search for SEC Filing on Google Icon
4/29/2026Cvfg LLC30,464$1.82M0.2%N/A0.085%Search for SEC Filing on Google Icon
4/27/2026Moran Wealth Management LLC56,953$3.39M0.1%+393.4%0.159%Search for SEC Filing on Google Icon
4/27/2026Counterpoint Mutual Funds LLC14,744$0.88M0.1%+75.3%0.041%Search for SEC Filing on Google Icon
4/25/2026Peregrine Asset Advisers Inc.73,886$4.40M1.2%-35.1%0.206%Search for SEC Filing on Google Icon
4/25/2026Strs Ohio1,100$66K0.0%N/A0.003%Search for SEC Filing on Google Icon
4/24/2026Peregrine Capital Management LLC154,307$9.19M0.3%-15.6%0.430%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC8,694$0.52M0.0%+11.8%0.024%Search for SEC Filing on Google Icon
4/23/2026North Star Investment Management Corp.48,150$2.87M0.2%+6.6%0.135%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC45,040$2.68M0.0%-1.0%0.126%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA4,483$0.27M0.0%+23.0%0.013%Search for SEC Filing on Google Icon
4/21/2026Morton Brown Family Wealth LLC481$29K0.0%N/A0.001%Search for SEC Filing on Google Icon
4/21/2026Contravisory Investment Management Inc.3,885$0.23M0.0%N/A0.011%Search for SEC Filing on Google Icon
4/20/2026Kestra Private Wealth Services LLC9,330$0.56M0.0%N/A0.026%Search for SEC Filing on Google Icon
4/20/2026Ritholtz Wealth Management12,734$0.76M0.0%-1.7%0.036%Search for SEC Filing on Google Icon
4/20/2026OP Asset Management Ltd9,248$0.55M0.0%N/A0.026%Search for SEC Filing on Google Icon
4/18/2026Guyasuta Investment Advisors Inc.8,750$0.52M0.0%-12.5%0.025%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC78,143$4.66M0.0%-3.2%0.219%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd1,283$77K0.0%+165.6%0.004%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.718,992$43.03M0.0%+104.0%2.017%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.135,511$8.11M0.0%+217.1%0.380%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC113,343$6.78M0.0%-17.1%0.318%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP607,417$36.35M0.0%-18.6%1.704%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL104,616$6.26M0.0%N/A0.294%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP12,900$0.77M0.1%N/A0.036%Search for SEC Filing on Google Icon
2/18/2026Osterweis Capital Management Inc.223,682$13.39M0.6%+6.5%0.628%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC38,577$2.31M0.0%-64.9%0.108%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC7,778$0.47M0.0%-12.4%0.022%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC922,000$55.18M0.0%+0.2%2.587%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP6,005$0.36M0.0%-55.5%0.017%Search for SEC Filing on Google Icon
2/18/2026Expect Equity LLC47,884$2.87M2.8%-35.5%0.134%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC7,255$0.43M0.0%-87.1%0.020%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC3,636$0.22M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC27,489$1.65M0.0%+66.8%0.077%Search for SEC Filing on Google Icon
2/17/2026Amundi176,996$10.59M0.0%-11.8%0.497%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC14,081$0.84M0.0%-57.5%0.040%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD17,387$1.04M0.0%+9.5%0.049%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.24,669$1.48M0.0%-93.0%0.069%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.109,730$6.57M0.0%-20.0%0.308%Search for SEC Filing on Google Icon
2/17/2026Granahan Investment Management LLC108,889$6.52M0.3%-53.6%0.306%Search for SEC Filing on Google Icon
2/17/2026Fred Alger Management LLC8,855$0.53M0.0%-6.7%0.025%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP13,230$0.79M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada3,686$0.22M0.0%-73.5%0.010%Search for SEC Filing on Google Icon
2/17/2026Rothschild Wealth LLC12,000$0.72M0.1%N/A0.034%Search for SEC Filing on Google Icon
2/17/2026RBF Capital LLC3,900$0.23M0.0%N/A0.011%Search for SEC Filing on Google Icon
2/17/2026Needham Investment Management LLC298,500$17.87M1.1%+70.6%0.838%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC73,544$4.40M0.0%+20.8%0.206%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC13,200$0.79M0.0%-52.5%0.037%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC147,055$8.80M0.2%-0.6%0.413%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC45,985$2.75M0.0%-8.3%0.129%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP7,800$0.47M0.0%-77.7%0.022%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC184,120$11.02M0.1%-29.2%0.517%Search for SEC Filing on Google Icon
2/13/2026Formula Growth Ltd.70,720$4.23M1.6%-33.1%0.198%Search for SEC Filing on Google Icon
2/13/2026Martin & Co. Inc. TN243,299$14.56M2.5%+1.8%0.683%Search for SEC Filing on Google Icon
2/13/2026Essex Investment Management Co. LLC154,457$9.24M1.4%-2.2%0.433%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP153,050$9.16M0.0%N/A0.429%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.253,726$15.19M0.0%+1.5%0.712%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey7,594$0.46M0.0%-8.2%0.021%Search for SEC Filing on Google Icon
2/13/2026State Street Corp650,886$38.96M0.0%+0.2%1.826%Search for SEC Filing on Google Icon
2/13/2026Boston Partners5,204$0.31M0.0%-38.6%0.015%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC65,337$3.91M0.0%+2.3%0.183%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN100,888$6.04M0.0%+1.1%0.283%Search for SEC Filing on Google Icon
2/13/2026Lord Abbett & CO. LLC202,216$12.10M0.0%+17.8%0.567%Search for SEC Filing on Google Icon
2/13/2026Castleark Management LLC156,505$9.37M0.3%+2.0%0.439%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC88,820$5.32M0.0%-72.1%0.249%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group3,763$0.23M0.0%-7.1%0.011%Search for SEC Filing on Google Icon
2/12/2026IES Holdings Inc.283,432$16.96M9.9%N/A0.795%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC6,115$0.37M0.0%-3.7%0.017%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP895,540$53.60M0.0%-8.3%2.513%Search for SEC Filing on Google Icon
2/12/2026Counterpoint Mutual Funds LLC8,410$0.50M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc8,000$0.48M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/12/2026Informed Momentum Co LLC85,139$5.10M0.6%-2.0%0.239%Search for SEC Filing on Google Icon
2/12/2026Loomis Sayles & Co. L P327,509$19.60M0.0%-0.1%0.919%Search for SEC Filing on Google Icon
Data available starting January 2016

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CECO Environmental logo
CECO Environmental Corp. provides critical solutions in industrial air quality, industrial water treatment, and energy transition solutions worldwide. It operates in two segments: Engineered Systems and Industrial Process Solutions. The company engineers, designs, manufactures, and installs non-metallic expansion joints and flow control products, including rubber expansion joints, ducting expansion joints, and industrial pinch and duck bill valves; membrane-based industrial water and wastewater treatment systems; and provides dust and fume extraction solutions comprising consultation, design, manufacturing, installation, and service, as well as water and wastewater treatment solutions. It offers engineered and configured products and solutions, including dampers and diverters, expansion joints, selective catalytic reduction systems, severe-service and industrial cyclones, dust collectors, thermal oxidizers, filtration systems, wet and dry scrubbers, separators and coalescers, water treatment packages, metallic and non-metallic pumps, industrial silencers, and fluid handling equipment, as well as plant engineering services and engineered design build fabrication services. In addition, the company offers industrial engineered noise control solutions, including custom acoustical gen-set packages, ambient air baffles, acoustical louvres, and skid enclosures; process filtration solutions for hydrocarbon and chemical processing; and energy and water conservation systems and equipment. The company markets its products and services to natural gas processors, transmission and distribution companies, refineries, power generators, industrial manufacturing, engineering and construction companies, semiconductor manufacturers, compressor manufacturers, beverage can manufacturers, metals and minerals, and electric vehicle producers. CECO Environmental Corp. was founded in 1869 and is headquartered in Dallas, Texas.
Read More on CECO Environmental

Today's Range

Now: $81.71
Low: $80.26
High: $82.24

50 Day Range

MA: $68.46
Low: $54.50
High: $87.78

52 Week Range

Now: $81.71
Low: $25.96
High: $90.25

Volume

592,477 shs

Average Volume

883,289 shs

Market Capitalization

$2.93 billion

P/E Ratio

220.84

Dividend Yield

N/A

Beta

1.53

Who are the company insiders with the largest holdings of CECO Environmental?

CECO Environmental's top insider investors include:
  1. Todd R Gleason (CEO)
  2. Jason Dezwirek (Director)
  3. Richard F Wallman (Director)
  4. David B Liner (Director)
  5. Peter K Johansson (Insider)
  6. Claudio A Mannarino (Director)
  7. Ramesh Nuggihalli (COO)
  8. Paul M Gohr (CAO)
  9. Laurie Siegel (Director)
Learn More about top insider investors at CECO Environmental.

Who are the major institutional investors of CECO Environmental?

CECO Environmental's top institutional shareholders include:
  1. Janus Henderson Group PLC — 2.53%
  2. Dimensional Fund Advisors LP — 2.52%
  3. Emerald Advisers LLC — 1.46%
  4. Emerald Mutual Fund Advisers Trust — 0.88%
  5. Bessemer Group Inc. — 0.60%
  6. Segall Bryant & Hamill LLC — 0.49%
Learn More about top institutional investors of CECO Environmental stock.

Which major investors are selling CECO Environmental stock?

Within the previous quarter, CECO stock was sold by these institutional investors:
  1. Bank of America Corp DE
  2. Allspring Global Investments Holdings LLC
  3. Peregrine Asset Advisers Inc.
  4. Peregrine Capital Management LLC
  5. Granahan Investment Management LLC
  6. Janus Henderson Group PLC
  7. Segall Bryant & Hamill LLC
  8. Amundi
Within the last year, company insiders that have sold CECO Environmental company stock include:
  1. Todd R Gleason (CEO)
  2. Jason Dezwirek (Director)
  3. Claudio A Mannarino (Director)
Learn More investors selling CECO Environmental stock.

Which major investors are buying CECO Environmental stock?

In the previous quarter, CECO stock was purchased by institutional investors including:
  1. Bessemer Group Inc.
  2. Arrowstreet Capital Limited Partnership
  3. Emerald Advisers LLC
  4. Emerald Mutual Fund Advisers Trust
  5. Moran Wealth Management LLC
  6. Walleye Capital LLC
  7. Cvfg LLC
  8. Arkadios Wealth Advisors

CECO Environmental Active Insiders

Todd R Gleason
Todd R Gleason
CEO
Peter K Johansson
Peter K Johansson
Chief Financial and Strategy Officer
Laurie Siegel
Laurie Siegel
Director
Richard F Wallman
Richard F Wallman
Director
Jason Dezwirek
Jason Dezwirek
Director
Claudio A Mannarino
Claudio A Mannarino
Director