Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 9/9/2025 10:04:53 PM

1 Month

Buy/Sell Ratio --

%

%

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

8/9/2025 to 9/9/2025

3 Month

Buy/Sell Ratio 0.53

34%

66%

Buy	Sell
$467,000	($884,784)
1 Insiders	2 Insiders
1 Transactions	2 Transactions

6/9/2025 to 9/9/2025

6 Month

Buy/Sell Ratio 0.17

14%

86%

Buy	Sell
$709,548	($4.13) M
6 Insiders	7 Insiders
7 Transactions	8 Transactions

3/9/2025 to 9/9/2025

12 Month

Buy/Sell Ratio 0.08

7%

93%

Buy	Sell
$719,708	($8.95) M
8 Insiders	14 Insiders
9 Transactions	29 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
Battles Michael Louis Clean Harbors Inc	$467,000	1
Dugas Eric J. Clean Harbors Inc	$200,949	1
Duff Mark Perma Fix Environmental Services Inc	$21,567	2
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
Quirk Alison A. Clean Harbors Inc	($199,755)	1
Robertson Andrea Clean Harbors Inc	($195,323)	1
Spollen Conor Li-Cycle Holdings Corp.	($9,721)	2
Kochhar Ajay Li-Cycle Holdings Corp.	($4,733)	2

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Clean Harbors Inc	2	2

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	0.16	$667,949	($4,130,678)	0.07	$667,949	($8,927,077)
Perma Fix Environmental Services Inc	--	$0	$0	--	$41,600	$0	--	$41,600	$0
Li-Cycle Holdings Corp.	--	$0	$0	--	$0	$0	0.48	$9,031	($18,662)
Sky Quarry Inc.	--	$0	$0	--	$0	$0	--	$1,128	$0