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Industry - Industrial & Commercial Fans & Blowers & Air Purifing Equip
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Industrial Machinery & Computers
Include option trades
Include indirect trades
Latest data: 7/14/2025 10:03:50 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
--
($4.29) M
0 Insiders
1 Insiders
0 Transactions
3 Transactions
6/14/2025 to 7/14/2025
3 Month
Buy/Sell Ratio 0.00
0%
100%
Buy
Sell
--
($4.31) M
0 Insiders
2 Insiders
0 Transactions
4 Transactions
4/14/2025 to 7/14/2025
6 Month
Buy/Sell Ratio 0.01
0%
100%
Buy
Sell
$40,900
($4.96) M
2 Insiders
3 Insiders
2 Transactions
6 Transactions
1/14/2025 to 7/14/2025
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy
Sell
$141,093
($5.51) M
4 Insiders
7 Insiders
13 Transactions
11 Transactions
7/14/2024 to 7/14/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Arnone Vincent J
Fuel Tech, Inc.
$57,046
3
Jones Sharon L
Fuel Tech, Inc.
$53,847
8
Wallman Richard F
Ceco Environmental Corp
$25,150
1
Albrecht Ellen T
Fuel Tech, Inc.
$5,050
1
Most Insider Selling
12 months
Name
Value
Transactions
Carpenter Tod E.
Donaldson Co Inc
($4,293,366)
3
Johansson Peter K.
Ceco Environmental Corp
($648,197)
2
Scalf Thomas R
Donaldson Co Inc
($497,852)
2
Jones Sharon L
Fuel Tech, Inc.
($21,043)
1
Walker Jerome T.
Perma-Pipe International Holdings, Inc.
($18,510)
1
Boiter Cynthia
Perma-Pipe International Holdings, Inc.
($16,328)
1
Brown David B
Perma-Pipe International Holdings, Inc.
($16,328)
1
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Ceco Environmental Corp
1
1
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Donaldson Co Inc
2
5
Ceco Environmental Corp
1
2
Companies with activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Donaldson Co Inc
0.00
$0
($4,293,366)
0.00
$0
($4,293,366)
0.00
$0
($4,791,218)
Ceco Environmental Corp
--
$0
$0
0.04
$25,150
($648,197)
0.04
$25,150
($648,197)
Fuel Tech, Inc.
--
$0
$0
0.75
$15,750
($21,043)
5.51
$115,943
($21,043)
Perma-Pipe International Holdings, Inc.
--
$0
$0
--
$0
$0
0.00
$0
($51,166)