CECO Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 18.40%

Insider Buying (Last 12 Months): $365,065.00

Insider Selling (Last 12 Months): $20,882,018.28

CECO Environmental Insider Trading History Chart

CECO Environmental Share Price & Price History

^$55.62

▲ +1.12 (2.06%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

CECO Environmental Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/22/2025	Todd R. Gleason	CEO	Sell	98,101	$50.45	$4,949,195.45	410,835
9/19/2025	Todd R. Gleason	CEO	Sell	101,899	$49.32	$5,025,658.68	410,835
9/18/2025	Todd R. Gleason	CEO	Sell	100,000	$51.30	$5,130,000.00	410,835
9/5/2025	Richard F. Wallman	Director	Buy	3,000	$46.93	$140,790.00	80,500
8/29/2025	Richard F. Wallman	Director	Buy	3,000	$44.25	$132,750.00	219,909
8/29/2025	Richard F. Wallman	Director	Buy	1,500	$44.25	$66,375.00	77,500
7/31/2025	Jason Dezwirek	Director	Sell	30,000	$43.54	$1,306,200.00	200,000
7/30/2025	Claudio A Mannarino	Director	Sell	20,000	$41.51	$830,200.00	77,589
7/30/2025	Jason Dezwirek	Director	Sell	70,000	$42.75	$2,992,500.00	230,000
3/31/2025	Peter K. Johansson	Insider	Sell	22,500	$22.80	$513,000.00	62,160
3/27/2025	Peter K. Johansson	Insider	Sell	5,601	$24.15	$135,264.15	84,660
2/26/2025	Richard F. Wallman	Director	Buy	1,000	$25.15	$25,150.00	207,117
8/30/2024	Richard F. Wallman	Director	Buy	10,000	$28.77	$287,700.00	62,000
5/21/2024	Richard F. Wallman	Director	Buy	4,000	$24.50	$98,000.00	205,319
5/1/2024	Richard F. Wallman	Director	Buy	5,000	$21.95	$109,750.00	191,853
3/6/2024	Laurie Siegel	Director	Buy	2,500	$19.87	$49,675.00	7,906
12/21/2023	Todd R. Gleason	CEO	Sell	14,500	$21.11	$306,095.00	184,965
9/18/2023	Richard F. Wallman	Director	Buy	10,000	$15.99	$159,900.00	133,205
9/7/2023	Richard F. Wallman	Director	Buy	12,000	$13.76	$165,120.00	52,000
3/28/2023	Paul M Gohr	CAO	Sell	11,880	$14.41	$171,190.80	49,203
3/15/2023	David B Liner	Director	Buy	3,000	$13.62	$40,860.00	118,080
3/10/2023	Ramesh Nuggihalli	COO	Sell	12,115	$14.75	$178,696.25	63,182
3/7/2023	Richard F. Wallman	Director	Buy	10,000	$15.07	$150,700.00	40,000

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

CECO Environmental Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/19/2025	Caitong International Asset Management Co. Ltd	483	$25K	0.0%	N/A	0.001%
11/18/2025	Advisory Services Network LLC	603	$31K	0.0%	N/A	0.002%
11/17/2025	Oberweis Asset Management Inc.	92,008	$4.71M	0.2%	N/A	0.258%
11/17/2025	Castleark Management LLC	153,385	$7.85M	0.2%	N/A	0.430%
11/17/2025	Perritt Capital Management Inc	12,000	$0.61M	0.3%	-96.7%	0.034%
11/17/2025	XTX Topco Ltd	25,940	$1.33M	0.1%	+44.8%	0.073%
11/17/2025	Verition Fund Management LLC	27,773	$1.42M	0.0%	+284.3%	0.078%
11/17/2025	Quarry LP	507	$26K	0.0%	-56.7%	0.001%
11/17/2025	Morse Asset Management Inc	1,000	$51K	0.0%	-64.3%	0.003%
11/17/2025	Millennium Management LLC	109,830	$5.62M	0.0%	+4.8%	0.308%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	13,468	$0.69M	0.0%	-15.8%	0.038%
11/17/2025	Granahan Investment Management LLC	234,699	$12.02M	0.5%	-33.3%	0.659%
11/17/2025	Fred Alger Management LLC	9,495	$0.49M	0.0%	-88.8%	0.027%
11/17/2025	Divisadero Street Capital Management LP	150,000	$7.68M	0.3%	N/A	0.421%
11/17/2025	Brevan Howard Capital Management LP	4,692	$0.24M	0.0%	N/A	0.013%
11/17/2025	Bard Associates Inc.	7,024	$0.36M	0.1%	-15.5%	0.020%
11/17/2025	Boothbay Fund Management LLC	56,403	$2.89M	0.0%	+83.4%	0.158%
11/17/2025	Aquatic Capital Management LLC	8,314	$0.43M	0.0%	N/A	0.023%
11/17/2025	Algert Global LLC	10,400	$0.53M	0.0%	N/A	0.029%
11/17/2025	Ameriprise Financial Inc.	80,502	$4.12M	0.0%	+51.4%	0.226%
11/14/2025	Creative Planning	5,282	$0.27M	0.0%	N/A	0.015%
11/14/2025	Credit Agricole S A	47,936	$2.45M	0.0%	N/A	0.134%
11/14/2025	Amundi	200,686	$10.66M	0.0%	+1.9%	0.563%
11/14/2025	Panoramic Capital LLC	44,060	$2.26M	1.0%	N/A	0.124%
11/14/2025	Osterweis Capital Management Inc.	210,032	$10.75M	0.5%	-17.1%	0.589%
11/14/2025	Zurcher Kantonalbank Zurich Cantonalbank	12,991	$0.67M	0.0%	+11.5%	0.036%
11/14/2025	Brooklyn Investment Group	4,051	$0.21M	0.0%	+46.6%	0.011%
11/14/2025	Cruiser Capital Advisors LLC	4,431	$0.23M	0.2%	N/A	0.012%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	63,844	$3.27M	0.0%	-42.1%	0.179%
11/14/2025	Two Sigma Investments LP	302,691	$15.50M	0.0%	+3,620.8%	0.849%
11/14/2025	Squarepoint Ops LLC	60,886	$3.12M	0.0%	+55.1%	0.171%
11/14/2025	Marathon Capital Management	101,700	$5.21M	1.2%	-2.1%	0.285%
11/14/2025	Wellington Management Group LLP	746,466	$38.22M	0.0%	-17.2%	2.094%
11/13/2025	Boston Partners	8,480	$0.43M	0.0%	-60.0%	0.024%
11/13/2025	Kennedy Capital Management LLC	147,969	$7.58M	0.2%	-27.3%	0.415%
11/13/2025	Pier Capital LLC	103,928	$5.32M	0.8%	-8.8%	0.292%
11/13/2025	Sei Investments Co.	58,047	$2.97M	0.0%	-14.4%	0.163%
11/13/2025	UBS Group AG	48,689	$2.49M	0.0%	-29.6%	0.137%
11/13/2025	BNP Paribas Financial Markets	91,117	$4.67M	0.0%	+334.6%	0.256%
11/13/2025	Gordian Capital Singapore Pte Ltd	24,700	$1.27M	1.7%	-1.1%	0.069%
11/13/2025	Franklin Resources Inc.	27,585	$1.41M	0.0%	+96.4%	0.077%
11/13/2025	Van ECK Associates Corp	83,596	$4.28M	0.0%	-32.4%	0.235%
11/13/2025	Capital International Investors	1,675,351	$85.78M	0.0%	-15.0%	4.701%
11/13/2025	Legal & General Group Plc	406,181	$20.80M	0.0%	-37.7%	1.140%
11/13/2025	Swiss National Bank	58,100	$2.98M	0.0%	+2.3%	0.163%
11/13/2025	Russell Investments Group Ltd.	137,105	$7.02M	0.0%	-5.6%	0.385%
11/13/2025	Private Advisor Group LLC	16,425	$0.84M	0.0%	+10.3%	0.046%
11/12/2025	Barclays PLC	50,170	$2.57M	0.0%	-12.2%	0.141%
11/12/2025	Dimensional Fund Advisors LP	976,382	$49.99M	0.0%	-18.6%	2.739%
11/12/2025	First Eagle Investment Management LLC	434,256	$22.23M	0.0%	-27.8%	1.218%
11/12/2025	Segall Bryant & Hamill LLC	260,058	$13.32M	0.2%	-0.4%	0.730%
11/12/2025	Royce & Associates LP	825,160	$42.25M	0.4%	-17.9%	2.315%
11/12/2025	Finemark National Bank & Trust	5,957	$0.31M	0.0%	N/A	0.017%
11/12/2025	William Blair Investment Management LLC	685,742	$35.11M	0.1%	-27.5%	1.924%
11/12/2025	Arete Wealth Advisors LLC	20,345	$1.04M	0.1%	N/A	0.057%
11/12/2025	American Century Companies Inc.	1,257,796	$64.40M	0.0%	+16,844.6%	3.529%
11/12/2025	Quantbot Technologies LP	31,088	$1.59M	0.0%	+314.5%	0.087%
11/12/2025	Intech Investment Management LLC	12,376	$0.63M	0.0%	-20.0%	0.035%
11/12/2025	Empirical Asset Management LLC	29,561	$1.51M	0.2%	-3.7%	0.083%
11/10/2025	TD Asset Management Inc	12,130	$0.62M	0.0%	N/A	0.034%
11/10/2025	Ameritas Investment Partners Inc.	2,438	$0.13M	0.0%	-20.7%	0.007%
11/7/2025	King Luther Capital Management Corp	1,125,322	$57.62M	0.2%	-4.4%	3.157%
11/7/2025	Martin & Co. Inc. TN	239,035	$12.24M	2.2%	-16.9%	0.671%
11/7/2025	Vanguard Group Inc.	1,770,756	$90.66M	0.0%	+1.0%	4.968%
11/7/2025	JPMorgan Chase & Co.	23,559	$1.21M	0.0%	+38.8%	0.066%
11/6/2025	Wedbush Securities Inc.	4,225	$0.22M	0.0%	N/A	0.012%
11/6/2025	Rhumbline Advisers	42,148	$2.16M	0.0%	-2.3%	0.118%
11/6/2025	Essex Investment Management Co. LLC	157,980	$8.09M	1.2%	+3.4%	0.443%
11/6/2025	Versor Investments LP	6,800	$0.35M	0.1%	N/A	0.019%
11/6/2025	Navellier & Associates Inc.	28,595	$1.46M	0.1%	N/A	0.080%
11/6/2025	ProShare Advisors LLC	4,991	$0.26M	0.0%	N/A	0.014%
11/6/2025	Oppenheimer & Co. Inc.	5,653	$0.29M	0.0%	N/A	0.016%
11/5/2025	Councilmark Asset Management LLC	6,050	$0.31M	0.2%	N/A	0.017%
11/5/2025	IQ EQ FUND MANAGEMENT IRELAND Ltd	34,650	$1.77M	0.1%	+31.8%	0.097%
11/5/2025	Envestnet Asset Management Inc.	9,388	$0.48M	0.0%	-13.1%	0.026%
11/4/2025	Peregrine Asset Advisers Inc.	47,027	$2.41M	0.7%	N/A	0.132%
11/4/2025	State of Wyoming	3,596	$0.18M	0.0%	N/A	0.010%
11/4/2025	Principal Financial Group Inc.	19,720	$1.01M	0.0%	N/A	0.055%
11/4/2025	Thrivent Financial for Lutherans	493,255	$25.25M	0.0%	-34.9%	1.384%
11/4/2025	Independent Advisor Alliance	5,711	$0.29M	0.0%	N/A	0.016%
11/3/2025	AlphaQuest LLC	1,564	$80K	0.0%	N/A	0.004%
11/3/2025	Great Lakes Advisors LLC	120,056	$6.15M	0.1%	-8.2%	0.337%
11/3/2025	New York State Common Retirement Fund	10,750	$0.55M	0.0%	+31.9%	0.030%
10/30/2025	Emerald Mutual Fund Advisers Trust	71,844	$3.68M	0.2%	N/A	0.203%
10/30/2025	Bailard Inc.	57,341	$2.94M	0.1%	-9.8%	0.162%
10/29/2025	NorthCrest Asset Manangement LLC	32,128	$1.64M	0.0%	+38.9%	0.091%
10/29/2025	Yorktown Management & Research Co Inc	9,700	$0.50M	0.4%	N/A	0.027%
10/28/2025	Ritholtz Wealth Management	13,393	$0.69M	0.0%	-6.9%	0.038%
10/28/2025	Thames Capital Management LLC	69,403	$3.55M	0.5%	N/A	0.196%
10/27/2025	Robeco Schweiz AG	276,163	$14.14M	0.3%	-38.9%	0.782%
10/27/2025	First Horizon Corp	1,241	$64K	0.0%	N/A	0.004%
10/24/2025	State of Alaska Department of Revenue	1,849	$94K	0.0%	N/A	0.005%
10/23/2025	Peregrine Capital Management LLC	233,215	$11.94M	0.4%	-20.9%	0.660%
10/23/2025	SG Americas Securities LLC	10,936	$0.56M	0.0%	N/A	0.031%
10/21/2025	Global Retirement Partners LLC	982	$50K	0.0%	N/A	0.003%
10/20/2025	Allspring Global Investments Holdings LLC	231,730	$11.87M	0.0%	-33.5%	0.656%
10/20/2025	Calamos Advisors LLC	57,621	$2.95M	0.0%	+84.5%	0.163%
10/20/2025	Continuum Advisory LLC	37,443	$1.92M	0.2%	-50.0%	0.106%
10/16/2025	Ellsworth Advisors LLC	14,585	$0.77M	0.2%	N/A	0.041%
10/15/2025	Inspire Investing LLC	8,883	$0.46M	0.0%	-34.3%	0.025%

Data available starting January 2016

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.

Today's Range

Now: $55.62

$53.72

$56.60

50 Day Range

MA: $51.10

$47.44

$55.62

52 Week Range

Now: $55.62

$17.57

$56.60

Volume

311,924 shs

Average Volume

299,091 shs

Market Capitalization

$1.98 billion

P/E Ratio

39.45

Dividend Yield

N/A

Beta

1.37

Who are the company insiders with the largest holdings of CECO Environmental?: CECO Environmental's top insider investors include:
Todd R Gleason (CEO)
Jason Dezwirek (Director)
Richard F Wallman (Director)
Peter K Johansson (Insider)
Claudio A Mannarino (Director)
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:
Vanguard Group Inc. — 4.97%
Capital International Investors — 4.70%
American Century Companies Inc. — 3.53%
King Luther Capital Management Corp — 3.16%
Dimensional Fund Advisors LP — 2.74%
Royce & Associates LP — 2.32%
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:
Perritt Capital Management Inc
Voya Investment Management LLC
Capital International Investors
Thrivent Financial for Lutherans
William Blair Investment Management LLC
Legal & General Group Plc
Dimensional Fund Advisors LP
Royce & Associates LP
Within the last year, company insiders that have sold CECO Environmental company stock include:
Todd R Gleason (CEO)
Jason Dezwirek (Director)
Richard F Wallman (Director)
Peter K Johansson (Insider)
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:
American Century Companies Inc.
Two Sigma Investments LP
Castleark Management LLC
Divisadero Street Capital Management LP
Oberweis Asset Management Inc.
Emerald Mutual Fund Advisers Trust
BNP Paribas Financial Markets
Thames Capital Management LLC
During the previous year, these company insiders have bought CECO Environmental stock:
Todd R Gleason (CEO)
Jason Dezwirek (Director)
Learn More investors buying CECO Environmental stock.