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

  1. All Sectors
  2. Manufacturing
  3. Industrial Machinery & Computers
Latest data: 9/9/2025 10:04:53 PM
1 Month
Buy/Sell Ratio --
100%
0%
Buy Sell
$132,750 --
1 Insiders 0 Insiders
1 Transactions 0 Transactions
8/9/2025 to 9/9/2025
3 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$132,750 ($5.12) M
1 Insiders 2 Insiders
1 Transactions 4 Transactions
6/9/2025 to 9/9/2025
6 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$148,500 ($5.79) M
2 Insiders 4 Insiders
2 Transactions 7 Transactions
3/9/2025 to 9/9/2025
12 Month
Buy/Sell Ratio 0.04
3%
97%
Buy Sell
$249,188 ($6.34) M
4 Insiders 8 Insiders
11 Transactions 12 Transactions
9/9/2024 to 9/9/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Ceco Environmental Corp
$157,900 2
Fuel Tech, Inc.
$50,088 6
Fuel Tech, Inc.
$36,150 2
Fuel Tech, Inc.
$5,050 1

Most Insider Selling

12 months
Name Value Transactions
Donaldson Co Inc
($4,293,366) 3
Ceco Environmental Corp
($830,247) 1
Ceco Environmental Corp
($648,197) 2
Donaldson Co Inc
($497,852) 2
Fuel Tech, Inc.
($21,043) 1
Perma-Pipe International Holdings, Inc.
($18,510) 1
Perma-Pipe International Holdings, Inc.
($16,328) 1
Perma-Pipe International Holdings, Inc.
($16,328) 1

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Ceco Environmental Corp 1 2

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Donaldson Co Inc 2 5
Ceco Environmental Corp 2 3

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Ceco Environmental Corp -- $132,750 $0 0.09 $132,750 ($1,478,443) 0.11 $157,900 ($1,478,443)
Fuel Tech, Inc. -- $0 $0 0.75 $15,750 ($21,043) 4.34 $91,288 ($21,043)
Donaldson Co Inc -- $0 $0 0.00 $0 ($4,293,366) 0.00 $0 ($4,791,218)
Perma-Pipe International Holdings, Inc. -- $0 $0 -- $0 $0 0.00 $0 ($51,166)