Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 7/30/2025 10:05:20 PM

1 Month

Buy/Sell Ratio --

%

%

Buy	Sell
--	--
0 Insiders	0 Insiders
0 Transactions	0 Transactions

6/30/2025 to 7/30/2025

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($3.42) M
0 Insiders	6 Insiders
0 Transactions	6 Transactions

4/30/2025 to 7/30/2025

6 Month

Buy/Sell Ratio 0.06

5%

95%

Buy	Sell
$242,548	($4.01) M
5 Insiders	10 Insiders
6 Transactions	12 Transactions

1/30/2025 to 7/30/2025

12 Month

Buy/Sell Ratio 0.03

2%

98%

Buy	Sell
$273,938	($9.04) M
7 Insiders	15 Insiders
10 Transactions	33 Transactions

7/30/2024 to 7/30/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Dugas Eric J. Clean Harbors Inc	$200,949	1
Duff Mark Perma Fix Environmental Services Inc	$42,797	4
Eshleman Troy Perma Fix Environmental Services Inc	$9,922	1
Wellings Mark Li-Cycle Holdings Corp.	$9,031	1
Centofanti Louis F Perma Fix Environmental Services Inc	$7,310	1
Naccarato Ben Perma Fix Environmental Services Inc	$2,800	1
Laun Marcus G Sky Quarry Inc.	$1,128	1

Most Insider Selling

12 months

Name	Value	Transactions
Gerstenberg Eric W Clean Harbors Inc	($3,334,249)	2
Battles Michael Louis Clean Harbors Inc	($2,457,400)	1
Weber Brian P Clean Harbors Inc	($914,449)	2
Speights Robert Clean Harbors Inc	($898,951)	3
States Lauren Clean Harbors Inc	($641,312)	7
Welch John R. Clean Harbors Inc	($285,638)	1
Robertson Andrea Clean Harbors Inc	($274,257)	1
Quirk Alison A. Clean Harbors Inc	($199,755)	1
Wellings Mark Li-Cycle Holdings Corp.	($15,669)	1
Spollen Conor Li-Cycle Holdings Corp.	($9,721)	2

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	18

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Clean Harbors Inc	--	$0	$0	0.05	$200,949	($4,005,822)	0.02	$200,949	($9,006,011)
Perma Fix Environmental Services Inc	--	$0	$0	--	$41,600	$0	--	$62,830	$0
Li-Cycle Holdings Corp.	--	$0	$0	0.00	$0	($2,195)	0.26	$9,031	($34,096)
Sky Quarry Inc.	--	$0	$0	--	$0	$0	--	$1,128	$0