Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 3/20/2026 10:04:43 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($31.87) M
0 Insiders	4 Insiders
0 Transactions	5 Transactions

2/20/2026 to 3/20/2026

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($61.97) M
0 Insiders	7 Insiders
0 Transactions	9 Transactions

12/20/2025 to 3/20/2026

6 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($62.12) M
0 Insiders	7 Insiders
0 Transactions	10 Transactions

9/20/2025 to 3/20/2026

12 Month

Buy/Sell Ratio 0.01

0%

100%

Buy	Sell
$509,623	($88.23) M
4 Insiders	12 Insiders
6 Transactions	20 Transactions

3/20/2025 to 3/20/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Battles Michael Louis Clean Harbors Inc	$467,000	1
Duff Mark Perma Fix Environmental Services Inc	$21,638	2
Shelton Larry Perma Fix Environmental Services Inc	$18,185	2
Naccarato Ben Perma Fix Environmental Services Inc	$2,800	1

Most Insider Selling

12 months

Name	Value	Transactions
Mckim Alan S Clean Harbors Inc	($79,825,950)	4
Gerstenberg Eric W Clean Harbors Inc	($2,956,388)	4
Weber Brian P Clean Harbors Inc	($2,063,406)	2
Gabriel Sharon M. Clean Harbors Inc	($998,528)	1
Dugas Eric J. Clean Harbors Inc	($784,292)	1
Welch John R. Clean Harbors Inc	($490,440)	2
Reed Marcy L. Clean Harbors Inc	($240,718)	1
Speights Robert Clean Harbors Inc	($233,517)	1
Quirk Alison A. Clean Harbors Inc	($199,755)	1
Robertson Andrea Clean Harbors Inc	($195,323)	1

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Clean Harbors Inc	1	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Clean Harbors Inc	11	19
Perma Fix Environmental Services Inc	1	1

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Clean Harbors Inc	0.00	$0	($31,872,313)	0.00	$0	($62,118,717)	0.01	$467,000	($88,177,396)
Perma Fix Environmental Services Inc	--	$0	$0	--	$0	$0	0.88	$42,623	($48,616)