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

Include option trades

Include indirect trades

Latest data: 4/30/2025 10:07:34 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($512,932)
0 Insiders	1 Insiders
0 Transactions	1 Transactions

3/30/2025 to 4/30/2025

3 Month

Buy/Sell Ratio 0.61

37%

63%

Buy	Sell
$393,517	($648,197)
2 Insiders	1 Insiders
3 Transactions	2 Transactions

1/30/2025 to 4/30/2025

6 Month

Buy/Sell Ratio 0.68

40%

60%

Buy	Sell
$443,605	($648,197)
3 Insiders	1 Insiders
9 Transactions	2 Transactions

10/30/2024 to 4/30/2025

12 Month

Buy/Sell Ratio 0.81

44%

56%

Buy	Sell
$989,180	($1.22) M
4 Insiders	5 Insiders
17 Transactions	9 Transactions

4/30/2024 to 4/30/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Wallman Richard F Ceco Environmental Corp	$873,238	5
Arnone Vincent J Fuel Tech, Inc.	$57,046	3
Jones Sharon L Fuel Tech, Inc.	$53,847	8
Albrecht Ellen T Fuel Tech, Inc.	$5,050	1

Most Insider Selling

12 months

Name	Value	Transactions
Johansson Peter K. Ceco Environmental Corp	($648,197)	2
Scalf Thomas R Donaldson Co Inc	($497,852)	2
Boiter Cynthia Perma-Pipe International Holdings, Inc.	($26,709)	2
Brown David B Perma-Pipe International Holdings, Inc.	($26,709)	2
Walker Jerome T. Perma-Pipe International Holdings, Inc.	($18,510)	1

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Ceco Environmental Corp	1	5

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Ceco Environmental Corp	1	2
Donaldson Co Inc	1	2

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Ceco Environmental Corp	0.00	$0	($512,932)	0.58	$377,767	($648,197)	1.35	$873,238	($648,197)
Fuel Tech, Inc.	--	$0	$0	--	$65,838	$0	--	$115,943	$0
Perma-Pipe International Holdings, Inc.	--	$0	$0	--	$0	$0	0.00	$0	($71,927)
Donaldson Co Inc	--	$0	$0	--	$0	$0	0.00	$0	($497,852)