Industry - Industrial & Commercial Fans & Blowers & Air Purifing Equip

Include option trades

Include indirect trades

Latest data: 10/28/2026 10:01:44 PM

1 Month

Buy/Sell Ratio --

%

%

Buy	Sell
--	--
0 Insiders	0 Insiders
0 Transactions	0 Transactions

9/28/2026 to 10/28/2026

3 Month

Buy/Sell Ratio --

100%

0%

Buy	Sell
$558,799	--
2 Insiders	0 Insiders
2 Transactions	0 Transactions

7/28/2026 to 10/28/2026

6 Month

Buy/Sell Ratio 0.31

23%

77%

Buy	Sell
$3.20 M	($10.32) M
3 Insiders	3 Insiders
5 Transactions	4 Transactions

4/28/2026 to 10/28/2026

12 Month

Buy/Sell Ratio 0.31

23%

77%

Buy	Sell
$3.21 M	($10.32) M
4 Insiders	3 Insiders
6 Transactions	4 Transactions

10/28/2025 to 10/28/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Wallman Richard F Ceco Environmental Corp	$2,638,428	3
La Force Andrew Hudson Iii Madison Air Solutions Corp	$556,800	1
Arnone Vincent J Fuel Tech, Inc.	$12,400	1
Nuggihalli Ramesh Fuel Tech, Inc.	$1,999	1

Most Insider Selling

12 months

Name	Value	Transactions
Dezwirek Jason Ceco Environmental Corp	($6,592,199)	2
Johansson Peter K. Ceco Environmental Corp	($2,894,802)	1
Nanda Munish Ceco Environmental Corp	($830,145)	1

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Ceco Environmental Corp	1	3
Madison Air Solutions Corp	1	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Ceco Environmental Corp	3	4

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Ceco Environmental Corp	--	$0	$0	0.26	$2,638,428	($10,317,146)	0.26	$2,638,428	($10,317,146)
Fuel Tech, Inc.	--	$0	$0	--	$1,999	$0	--	$14,399	$0
Madison Air Solutions Corp	--	$0	$0	--	$556,800	$0	--	$556,800	$0