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CLEAN HARBORS INC

CLH Net selling
CIK 0000822818 #729 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$63.40M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$63.40M
13 of 13 sales
Net
−$63.40M
−$63.40M against sales at will

By person

22 insiders · 13 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
MCKIM ALAN S
EXEC CHAIR, CTO.
—
$57.38M (2)
−$57.38M
2,095,522
3.97%
$673.38M
−17.1%
GERSTENBERG ERIC W
CO-CEO
—
$1.94M (4)
−$1.94M
56,793
0.1076%
$18.25M
−1.7%
Weber Brian P
EVP (CHESI)
—
$1.37M (1)
−$1.37M
47,914
0.0908%
$15.40M
−16.9%
Gabriel Sharon M.
EVP/CIO (CHESI)
—
$998.53K (1)
−$998.53K
20,706
0.0392%
$6.65M
−16.7%
Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
—
$784.29K (1)
−$784.29K
13,532
0.0256%
$4.35M
+1.9%
Robertson Andrea
Director
—
$247.75K (1)
−$247.75K
8,979
0.0170%
$2.89M
−9.6%
Reed Marcy L.
Director
—
$240.72K (1)
−$240.72K
5,733
0.0109%
$1.84M
+11.8%
States Lauren
Director
—
$225.80K (1)
−$225.80K
11,359
0.0215%
$3.65M
−15.6%
Welch John R.
Director
—
$204.80K (1)
−$204.80K
10,889
0.0206%
$3.50M
−8.2%
Battles Michael Louis
CO-CEO
—
—
—
94,355
0.1787%
$30.32M
+28.8%
CURTIS GEORGE L
EXEC. VICE PRESIDENT (CHESI)
—
—
—
44,291
0.0839%
$14.23M
−7.5%
GALANTE EDWARD G
Director
—
—
—
25,461
0.0482%
$8.18M
+6.0%
Underwood Rebecca
PRESIDENT & EVP FACILITIES
—
—
—
18,373
0.0348%
$5.90M
+18.5%
Speights Robert
PRESIDENT, INDUSTRIAL SERVICES
—
—
—
16,310
0.0309%
$5.24M
−55.5%
Diderich Jeroen
EVP&President of Sales&Service
—
—
—
16,152
0.0306%
$5.19M
+46.6%
Geer Charles H. II
EVP, Industrial Services
—
—
—
10,799
0.0205%
$3.47M
+18.0%
Willett Robert
Director
—
—
—
10,028
0.0190%
$3.22M
+16.8%
PRESTON JOHN T
Director
—
—
—
7,044
0.0133%
$2.26M
+25.7%
Harrison Robert W.
EVP, EHS
—
—
—
6,648
0.0126%
$2.14M
+43.5%
Stewart Shelley JR
Director
—
—
—
4,523
0.0086%
$1.45M
+46.8%
Polito Karyn
Director
—
—
—
4,127
0.0078%
$1.33M
+85.4%
Quirk Alison A.
Director
—
—
—
3,630
0.0069%
$1.17M
+17.8%

Individual transactions

13
Insider
Date
Role
Action
Shares
Price
Amount
GERSTENBERG ERIC W
14 Aug 2026
CO-CEO
Sell
2,500
$321.34
$803.35K
Robertson Andrea
3 Aug 2026
Director
Sell
789
$314.01
$247.75K
States Lauren
26 May 2026
Director
Sell
789
$286.19
$225.80K
Reed Marcy L.
18 Mar 2026
Director
Sell
836
$287.94
$240.72K
GERSTENBERG ERIC W
18 Mar 2026
CO-CEO
Sell
1,000
$293.00
$293.00K
Weber Brian P
17 Mar 2026
EVP (CHESI)
Sell
4,683
$293.39
$1.37M
MCKIM ALAN S
4 Mar 2026
EXEC CHAIR, CTO.
Sell indirect
100,000
$292.65
$29.27M
GERSTENBERG ERIC W
23 Feb 2026
CO-CEO
Sell
2,500
$279.86
$699.65K
Dugas Eric J.
20 Feb 2026
EVP CHIEF FINANCIAL OFFICER
Sell
2,788
$281.31
$784.29K
Gabriel Sharon M.
20 Feb 2026
EVP/CIO (CHESI)
Sell
3,540
$282.07
$998.53K
Welch John R.
19 Feb 2026
Director
Sell
750
$273.07
$204.80K
MCKIM ALAN S
19 Feb 2026
EXEC CHAIR, CTO.
Sell indirect
100,000
$281.14
$28.11M
GERSTENBERG ERIC W
16 Dec 2025
CO-CEO
Sell
601
$240.90
$144.78K

What was left out

Form 4 filings counted 65
Amendments (4/A) skipped 8
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 13
Transactions with no price 0
Shares from compensation/vesting 125,724
History held since 1 Sep 2016