Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 8/4/2026 10:01:49 PM

1 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($247,754)
0 Insiders	1 Insiders
0 Transactions	1 Transactions

7/4/2026 to 8/4/2026

3 Month

Buy/Sell Ratio 0.29

22%

78%

Buy	Sell
$135,760	($473,558)
1 Insiders	2 Insiders
1 Transactions	2 Transactions

5/4/2026 to 8/4/2026

6 Month

Buy/Sell Ratio 0.03

2%

98%

Buy	Sell
$135,760	($5.07) M
1 Insiders	8 Insiders
1 Transactions	9 Transactions

2/4/2026 to 8/4/2026

12 Month

Buy/Sell Ratio 0.03

2%

98%

Buy	Sell
$161,166	($5.26) M
3 Insiders	9 Insiders
4 Transactions	11 Transactions

8/4/2025 to 8/4/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Polito Karyn Clean Harbors Inc	$135,760	1
Shelton Larry Perma Fix Environmental Services Inc	$18,185	2
Duff Mark Perma Fix Environmental Services Inc	$7,221	1

Most Insider Selling

12 months

Name	Value	Transactions
Weber Brian P Clean Harbors Inc	($1,373,945)	1
Gerstenberg Eric W Clean Harbors Inc	($1,137,431)	3
Gabriel Sharon M. Clean Harbors Inc	($998,528)	1
Dugas Eric J. Clean Harbors Inc	($784,292)	1
Robertson Andrea Clean Harbors Inc	($247,754)	1
Reed Marcy L. Clean Harbors Inc	($240,718)	1
States Lauren Clean Harbors Inc	($225,804)	1
Welch John R. Clean Harbors Inc	($204,802)	1
Duggan Kerry C Perma Fix Environmental Services Inc	($48,616)	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	8	10
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	($247,754)	0.03	$135,760	($5,068,494)	0.03	$135,760	($5,213,274)
Perma Fix Environmental Services Inc	--	$0	$0	--	$0	$0	0.52	$25,406	($48,616)