Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 9/18/2025 10:03:52 PM

1 Month

Buy/Sell Ratio --

100%

0%

Buy	Sell
$7,221	--
1 Insiders	0 Insiders
1 Transactions	0 Transactions

8/18/2025 to 9/18/2025

3 Month

Buy/Sell Ratio --

100%

0%

Buy	Sell
$474,221	--
2 Insiders	0 Insiders
2 Transactions	0 Transactions

6/18/2025 to 9/18/2025

6 Month

Buy/Sell Ratio 0.18

15%

85%

Buy	Sell
$491,438	($2.74) M
3 Insiders	3 Insiders
4 Transactions	3 Transactions

3/18/2025 to 9/18/2025

12 Month

Buy/Sell Ratio 0.14

12%

88%

Buy	Sell
$717,897	($5.17) M
7 Insiders	9 Insiders
9 Transactions	18 Transactions

9/18/2024 to 9/18/2025

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	$28,788	3
Eshleman Troy Perma Fix Environmental Services Inc	$9,922	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
Weber Brian P Clean Harbors Inc	($914,449)	2
Speights Robert Clean Harbors Inc	($898,951)	3
Spollen Conor Li-Cycle Holdings Corp.	($9,721)	2
Kochhar Ajay Li-Cycle Holdings Corp.	($4,733)	2
Barwell Christine Li-Cycle Holdings Corp.	($1,533)	1
Deluca Carl Li-Cycle Holdings Corp.	($1,300)	2
Biederman Christopher J. Li-Cycle Holdings Corp.	($896)	2
Li Dawei Li-Cycle Holdings Corp.	($479)	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	3	7

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Perma Fix Environmental Services Inc	--	$7,221	$0	--	$24,438	$0	--	$48,820	$0
Clean Harbors Inc	--	$0	$0	0.17	$467,000	($2,741,935)	0.13	$667,949	($5,147,649)
Li-Cycle Holdings Corp.	--	$0	$0	--	$0	$0	0.00	$0	($18,662)
Sky Quarry Inc.	--	$0	$0	--	$0	$0	--	$1,128	$0