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

Include option trades

Include indirect trades

Latest data: 4/4/2025 10:40:59 PM

1 Month

Buy/Sell Ratio 0.02

2%

98%

Buy	Sell
$15,750	($648,197)
1 Insiders	1 Insiders
1 Transactions	2 Transactions

3/4/2025 to 4/4/2025

3 Month

Buy/Sell Ratio 0.06

5%

95%

Buy	Sell
$40,900	($648,197)
2 Insiders	1 Insiders
2 Transactions	2 Transactions

1/4/2025 to 4/4/2025

6 Month

Buy/Sell Ratio 0.08

7%

93%

Buy	Sell
$90,988	($1.15) M
3 Insiders	2 Insiders
8 Transactions	4 Transactions

10/4/2024 to 4/4/2025

12 Month

Buy/Sell Ratio 0.29

22%

78%

Buy	Sell
$348,842	($1.22) M
4 Insiders	5 Insiders
15 Transactions	9 Transactions

4/4/2024 to 4/4/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Wallman Richard F Ceco Environmental Corp	$232,899	3
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	3

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	($648,197)	0.04	$25,150	($648,197)	0.36	$232,899	($648,197)
Fuel Tech, Inc.	--	$15,750	$0	--	$65,838	$0	--	$115,943	$0
Donaldson Co Inc	--	$0	$0	0.00	$0	($497,852)	0.00	$0	($497,852)
Perma-Pipe International Holdings, Inc.	--	$0	$0	--	$0	$0	0.00	$0	($71,927)