Industry - Hazardous Waste Management

Include option trades

Include indirect trades

Latest data: 1/29/2026 10:05:26 PM

1 Month

Buy/Sell Ratio --

%

%

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

12/29/2025 to 1/29/2026

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($144,781)
0 Insiders	1 Insiders
0 Transactions	1 Transactions

10/29/2025 to 1/29/2026

6 Month

Buy/Sell Ratio 1.27

55%

45%

Buy	Sell
$492,406	($388,720)
3 Insiders	3 Insiders
4 Transactions	3 Transactions

7/29/2025 to 1/29/2026

12 Month

Buy/Sell Ratio 0.17

14%

86%

Buy	Sell
$734,955	($4.40) M
7 Insiders	12 Insiders
10 Transactions	15 Transactions

1/29/2025 to 1/29/2026

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

Most Insider Selling

12 months

Name	Value	Transactions
Gerstenberg Eric W Clean Harbors Inc	($1,963,738)	2
Speights Robert Clean Harbors Inc	($752,466)	2
Weber Brian P Clean Harbors Inc	($689,461)	1
Welch John R. Clean Harbors Inc	($285,638)	1
States Lauren Clean Harbors Inc	($259,545)	2
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
Kochhar Ajay Li-Cycle Holdings Corp.	($1,285)	1
Deluca Carl Li-Cycle Holdings Corp.	($397)	1

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	10
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	1.37	$467,000	($340,104)	0.15	$667,949	($4,345,926)
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	($2,195)