Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 7/31/2025 10:05:58 PM

1 Month

Buy/Sell Ratio --

%

%

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

6/30/2025 to 7/31/2025

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($2.74) M
0 Insiders	3 Insiders
0 Transactions	3 Transactions

4/30/2025 to 7/31/2025

6 Month

Buy/Sell Ratio 0.07

6%

94%

Buy	Sell
$242,548	($3.26) M
5 Insiders	3 Insiders
6 Transactions	4 Transactions

1/31/2025 to 7/31/2025

12 Month

Buy/Sell Ratio 0.03

3%

97%

Buy	Sell
$264,906	($7.62) M
6 Insiders	10 Insiders
9 Transactions	22 Transactions

7/31/2024 to 7/31/2025

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
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
Spollen Conor Li-Cycle Holdings Corp.	($9,721)	2
Deluca Carl Li-Cycle Holdings Corp.	($4,740)	3
Biederman Christopher J. Li-Cycle Holdings Corp.	($3,159)	3
Barwell Christine Li-Cycle Holdings Corp.	($1,533)	1
Kochhar Ajay Li-Cycle Holdings Corp.	$1,205	3
Li Dawei Li-Cycle Holdings Corp.	($479)	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	4	8

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Clean Harbors Inc	--	$0	$0	0.06	$200,949	($3,260,884)	0.03	$200,949	($7,605,049)
Perma Fix Environmental Services Inc	--	$0	$0	--	$41,600	$0	--	$62,830	$0
Li-Cycle Holdings Corp.	--	$0	$0	--	$0	$0	0.00	$0	($18,427)
Sky Quarry Inc.	--	$0	$0	--	$0	$0	--	$1,128	$0