Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 10/29/2025 10:06:27 PM

1 Month

Buy/Sell Ratio --

%

%

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

9/29/2025 to 10/29/2025

3 Month

Buy/Sell Ratio 2.02

66%

34%

Buy	Sell
$492,406	($243,939)
3 Insiders	2 Insiders
4 Transactions	2 Transactions

7/29/2025 to 10/29/2025

6 Month

Buy/Sell Ratio 0.13

11%

89%

Buy	Sell
$492,406	($3.66) M
3 Insiders	8 Insiders
4 Transactions	8 Transactions

4/29/2025 to 10/29/2025

12 Month

Buy/Sell Ratio 0.12

10%

90%

Buy	Sell
$736,083	($6.38) M
8 Insiders	14 Insiders
11 Transactions	27 Transactions

10/29/2024 to 10/29/2025

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
Shelton Larry Perma Fix Environmental Services Inc	$18,185	2
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
States Lauren Clean Harbors Inc	($485,580)	5
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
Duggan Kerry C Perma Fix Environmental Services Inc	($48,616)	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	7	15
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	$0	0.13	$467,000	($3,611,729)	0.11	$667,949	($6,313,945)
Perma Fix Environmental Services Inc	--	$0	$0	0.52	$25,406	($48,616)	1.38	$67,006	($48,616)
Li-Cycle Holdings Corp.	--	$0	$0	--	$0	$0	0.00	$0	($18,662)
Sky Quarry Inc.	--	$0	$0	--	$0	$0	--	$1,128	$0