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United States Professional & Commercial Services

Clean Harbors Inc (CLH)

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Recent insider trading at Clean Harbors Inc. shows a net sell-off of approximately $451,608 over 90 days, with no executive net buying. Notable large sell transactions occurred in March and February, including significant sales by Alan S. McKim and Eric W. Gerstenberg. The stock has seen a 0.9% price increase in the last 90 days.
Stock chart
Ticker: CLH Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
States Lauren
1 sale — total 225,804 USD
Sale 26 May 2026
Value US$2,913,857.05 | Price 283.84 | Shares 36,276
Proposed sale 26 May 2026
Value US$1,934,710.56 | Price 297.33 | Shares 28,961
Sale 18 Mar 2026
Value US$293,000.00 | Price 293.00 | Shares 1,000
Proposed sale 18 Mar 2026
Value US$290,000.00 | Price 290.00 | Shares 1,000
Sale 18 Mar 2026
Value US$240,717.84 | Price 287.94 | Shares 836
Proposed sale 18 Mar 2026
Value US$240,714.75 | Price 287.94 | Shares 836
Proposed sale 17 Mar 2026
Value US$1,373,921.96 | Price 293.39 | Shares 4,683
Sale 17 Mar 2026
Value US$1,373,945.37 | Price 293.39 | Shares 4,683
Sale 4 Mar 2026
Value US$29,265,000.00 | Price 292.65 | Shares 100,000
Proposed sale 4 Mar 2026
Value US$29,300,000.00 | Price 293.00 | Shares 100,000
Sale 23 Feb 2026
Value US$699,650.00 | Price 279.86 | Shares 2,500
Proposed sale 23 Feb 2026
Value US$712,000.00 | Price 284.80 | Shares 2,500
Proposed sale 20 Feb 2026
Value US$998,527.80 | Price 282.07 | Shares 3,540
Proposed sale 20 Feb 2026
Value US$784,292.28 | Price 281.31 | Shares 2,788
Sale 20 Feb 2026
Value US$998,527.80 | Price 282.07 | Shares 3,540
Sale 20 Feb 2026
Value US$784,292.28 | Price 281.31 | Shares 2,788
Sale 19 Feb 2026
Value US$28,114,000.00 | Price 281.14 | Shares 100,000
Sale 19 Feb 2026
Value US$204,802.50 | Price 273.07 | Shares 750
Proposed sale 19 Feb 2026
Value US$30,544,239.78 | Price 281.34 | Shares 108,567
Proposed sale 19 Feb 2026
Value US$204,806.25 | Price 273.08 | Shares 750
Sale 16 Dec 2025
Value US$144,780.90 | Price 240.90 | Shares 601
Proposed sale 15 Dec 2025
Value US$145,000.00 | Price 241.26 | Shares 601
Buy 1 Aug 2025
Value US$467,000.00 | Price 233.50 | Shares 2,000
Sale 31 Jul 2025
Value US$195,323.04 | Price 233.64 | Shares 836
Proposed sale 31 Jul 2025
Value US$195,323.04 | Price 233.64 | Shares 836
Sale 13 Jun 2025
Value US$689,460.95 | Price 227.17 | Shares 3,035
Proposed sale 13 Jun 2025
Value US$689,445.78 | Price 227.17 | Shares 3,035
Sale 6 Jun 2025
Value US$1,818,957.48 | Price 225.23 | Shares 8,076
Proposed sale 6 Jun 2025
Value US$1,818,000.00 | Price 225.11 | Shares 8,076
Sale 5 Jun 2025
Value US$13,015,312.80 | Price 223.80 | Shares 58,156
Sale 5 Jun 2025
Value US$199,755.17 | Price 223.69 | Shares 893
Proposed sale 5 Jun 2025
Value US$200,121.30 | Price 224.10 | Shares 893
Sale 4 Jun 2025
Value US$9,431,637.60 | Price 225.40 | Shares 41,844
Proposed sale 4 Jun 2025
Value US$22,656,000.00 | Price 226.56 | Shares 100,000
Sale 28 May 2025
Value US$285,637.50 | Price 228.51 | Shares 1,250
Proposed sale 28 May 2025
Value US$285,637.50 | Price 228.51 | Shares 1,250
Sale 27 May 2025
Value US$233,516.78 | Price 228.49 | Shares 1,022
Sale 22 May 2025
Value US$189,078.12 | Price 226.17 | Shares 836
Proposed sale 22 May 2025
Value US$189,078.12 | Price 226.17 | Shares 836
Sale 10 Mar 2025
Value US$518,949.00 | Price 190.44 | Shares 2,725
Buy 10 Mar 2025
Value US$200,949.00 | Price 191.38 | Shares 1,050
Sale 3 Mar 2025
Value US$635,847.98 | Price 212.02 | Shares 2,999
Sale 3 Mar 2025
Value US$10,509,000.00 | Price 210.18 | Shares 50,000
Proposed sale 3 Mar 2025
Value US$10,677,500.00 | Price 213.55 | Shares 50,000
Proposed sale 3 Mar 2025
Value US$635,836.88 | Price 212.02 | Shares 2,999
Sale 18 Feb 2025
Value US$70,467.32 | Price 228.79 | Shares 308
Sale 15 Jan 2025
Value US$73,624.32 | Price 239.04 | Shares 308
Sale 16 Dec 2024
Value US$75,478.48 | Price 245.06 | Shares 308
Proposed sale 16 Dec 2024
Value US$225,714.72 | Price 244.28 | Shares 924
Proposed sale 27 Nov 2024
Value US$224,989.46 | Price 261.31 | Shares 861
Sale 27 Nov 2024
Value US$224,987.91 | Price 261.31 | Shares 861
Proposed sale 15 Nov 2024
Value US$1,513,310.18 | Price 250.09 | Shares 6,051
Sale 15 Nov 2024
Value US$1,515,291.42 | Price 250.42 | Shares 6,051
Sale 15 Nov 2024
Value US$76,932.24 | Price 249.78 | Shares 308
Sale 5 Nov 2024
Value US$146,485.40 | Price 240.14 | Shares 610
Sale 15 Oct 2024
Value US$80,307.92 | Price 260.74 | Shares 308
Sale 16 Sep 2024
Value US$75,423.81 | Price 244.09 | Shares 309
Sale 16 Sep 2024
Value US$2,457,400.00 | Price 245.74 | Shares 10,000
Proposed sale 16 Sep 2024
Value US$2,455,400.00 | Price 245.54 | Shares 10,000
Proposed sale 16 Sep 2024
Value US$225,672.25 | Price 243.97 | Shares 925
Proposed sale 1 Aug 2024
Value US$274,260.99 | Price 238.90 | Shares 1,148
Sale 1 Aug 2024
Value US$274,257.20 | Price 238.90 | Shares 1,148
Sale 11 Jun 2024
Value US$10,775,500.00 | Price 215.51 | Shares 50,000
Proposed sale 11 Jun 2024
Value US$10,695,000.00 | Price 213.90 | Shares 50,000
Sale 23 May 2024
Value US$250,424.72 | Price 218.14 | Shares 1,148
Proposed sale 23 May 2024
Value US$250,420.82 | Price 218.14 | Shares 1,148
Sale 3 May 2024
Value US$1,294,188.00 | Price 208.74 | Shares 6,200
Proposed sale 3 May 2024
Value US$1,294,194.82 | Price 208.74 | Shares 6,200
Sale 27 Mar 2024
Value US$1,591,763.72 | Price 199.07 | Shares 7,996
Proposed sale 27 Mar 2024
Value US$1,591,768.52 | Price 199.07 | Shares 7,996
Sale 15 Mar 2024
Value US$2,867,457.96 | Price 187.71 | Shares 15,276
Proposed sale 15 Mar 2024
Value US$2,863,000.00 | Price 187.42 | Shares 15,276
Sale 14 Mar 2024
Value US$360,332.68 | Price 188.36 | Shares 1,913
Proposed sale 14 Mar 2024
Value US$360,337.85 | Price 188.36 | Shares 1,913
Sale 27 Feb 2024
Value US$6,377,700.00 | Price 182.22 | Shares 35,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-27 2026-05-26 S Sale
2.8
States Lauren
Non-Executive Director
36,276 +47.8%
283.84
US$2,913,857 		36,276 +47.8% 283.84 US$2,913,857
2026-05-26 2026-05-26 PrS Proposed sale
2.8
LAUREN STATES

Director

Non-Executive Director
28,961
297.33
US$1,934,711 		28,961 297.33 US$1,934,711
2026-03-19 2026-03-18 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
69,097 +39.5%
109.68
US$2,495,428 		69,097 +39.5% 109.68 US$2,495,428
2026-03-19 2026-03-18 S Sale
Reed Marcy L.
Non-Executive Director
836 -14.1%
287.94
US$240,718 		836 -14.1% 287.94 US$240,718
2026-03-18 2026-03-18 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
1,000
290.00
US$290,000 		1,000 290.00 US$290,000
2026-03-18 2026-03-18 PrS Proposed sale
MARCY REED

Director

Non-Executive Director
836
287.94
US$240,715 		836 287.94 US$240,715
2026-03-17 2026-03-17 PrS Proposed sale
2.7
BRIAN WEBER

Officer

Officer
4,683
293.39
US$1,373,922 		4,683 293.39 US$1,373,922
2026-03-17 2026-03-17 S Sale
2.7
Weber Brian P

EVP (CHESI)

Officer
4,683 -8.8%
293.39
US$1,373,945 		4,683 -8.8% 293.39 US$1,373,945
2026-03-05 2026-03-04 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
100,000 -4.6%
292.65
US$29,265,000 		100,000 -4.6% 292.65 US$29,265,000
2026-03-04 2026-03-04 PrS Proposed sale
2.5
Alan S. McKim

Officer

Officer
100,000
293.00
US$29,300,000 		100,000 293.00 US$29,300,000
2026-02-24 2026-02-23 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
2,500 -5.5%
279.86
US$699,650 		2,500 -5.5% 279.86 US$699,650
2026-02-23 2026-02-23 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
2,500
284.80
US$712,000 		2,500 284.80 US$712,000
2026-02-20 2026-02-20 PrS Proposed sale
2.2
SHARON M GABRIEL

Officer

Officer
3,540
282.07
US$998,528 		3,540 282.07 US$998,528
2026-02-20 2026-02-20 PrS Proposed sale
2.6
ERIC DUGAS

Officer

Officer
2,788
281.31
US$784,292 		2,788 281.31 US$784,292
2026-02-20 2026-02-20 S Sale
2.2
Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
3,540 -13.2%
282.07
US$998,528 		3,540 -13.2% 282.07 US$998,528
2026-02-20 2026-02-20 S Sale
2.6
Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
2,788 -14.9%
281.31
US$784,292 		2,788 -14.9% 281.31 US$784,292
2026-02-23 2026-02-19 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
100,000 -4.2%
281.14
US$28,114,000 		100,000 -4.2% 281.14 US$28,114,000
2026-02-20 2026-02-19 S Sale
1.7
Welch John R.
Non-Executive Director
750 -6.8%
273.07
US$204,802 		750 -6.8% 273.07 US$204,802
2026-02-19 2026-02-19 PrS Proposed sale
2.5
Alan S. McKim

Officer

Officer
108,567
281.34
US$30,544,240 		108,567 281.34 US$30,544,240
2026-02-19 2026-02-19 PrS Proposed sale
1.7
JOHN WELCH

Director

Non-Executive Director
750
273.08
US$204,806 		750 273.08 US$204,806
2025-12-17 2025-12-16 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
601 -1.2%
240.90
US$144,781 		601 -1.2% 240.90 US$144,781
2025-12-16 2025-12-15 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
601
241.26
US$145,000 		601 241.26 US$145,000
2025-08-04 2025-08-01 B Purchase
3.4
Battles Michael Louis

CO-CEO

Executive Director
2,000 +2.5%
233.50
US$467,000 		2,000 +2.5% 233.50 US$467,000
2025-08-04 2025-07-31 S Sale
3.1
Robertson Andrea
Non-Executive Director
836 -7.8%
233.64
US$195,323 		836 -7.8% 233.64 US$195,323
2025-07-31 2025-07-31 PrS Proposed sale
3.1
ANDREA ROBERTSON

Director

Non-Executive Director
836
233.64
US$195,323 		836 233.64 US$195,323
2025-06-16 2025-06-13 S Sale
2.7
Weber Brian P

EVP (CHESI)

Officer
3,035 -5.3%
227.17
US$689,461 		3,035 -5.3% 227.17 US$689,461
2025-06-13 2025-06-13 PrS Proposed sale
2.7
BRIAN WEBER

Officer

Officer
3,035
227.17
US$689,446 		3,035 227.17 US$689,446
2025-06-09 2025-06-06 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
8,076 -13.5%
225.23
US$1,818,957 		8,076 -13.5% 225.23 US$1,818,957
2025-06-06 2025-06-06 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
8,076
225.11
US$1,818,000 		8,076 225.11 US$1,818,000
2025-06-06 2025-06-05 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
58,156 -2.5%
223.80
US$13,015,313 		58,156 -2.5% 223.80 US$13,015,313
2025-06-06 2025-06-05 S Sale
1.0
Quirk Alison A.
Non-Executive Director
893 -23.1%
223.69
US$199,755 		893 -23.1% 223.69 US$199,755
2025-06-05 2025-06-05 PrS Proposed sale
1.0
Alison Quirk

Director

Non-Executive Director
893
224.10
US$200,121 		893 224.10 US$200,121
2025-06-06 2025-06-04 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
41,844 -1.7%
225.40
US$9,431,638 		41,844 -1.7% 225.40 US$9,431,638
2025-06-04 2025-06-04 PrS Proposed sale
2.5
Alan S. McKim

Officer

Officer
100,000
226.56
US$22,656,000 		100,000 226.56 US$22,656,000
2025-05-29 2025-05-28 S Sale
1.7
Welch John R.
Non-Executive Director
1,250 -9.9%
228.51
US$285,638 		1,250 -9.9% 228.51 US$285,638
2025-05-28 2025-05-28 PrS Proposed sale
1.7
JOHN WELCH

Director

Non-Executive Director
1,250
228.51
US$285,638 		1,250 228.51 US$285,638
2025-05-28 2025-05-27 S Sale
3.0
Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
1,022 -5.9%
228.49
US$233,517 		1,022 -5.9% 228.49 US$233,517
2025-05-23 2025-05-22 S Sale
2.8
States Lauren
Non-Executive Director
836 -6.6%
226.17
US$189,078 		836 -6.6% 226.17 US$189,078
2025-05-22 2025-05-22 PrS Proposed sale
2.8
LAUREN STATES

Director

Non-Executive Director
836
226.17
US$189,078 		836 226.17 US$189,078
2025-03-11 2025-03-10 S Sale
3.0
Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
2,725 -6.4%
190.44
US$518,949 		2,725 -6.4% 190.44 US$518,949
2025-03-11 2025-03-10 B Purchase
2.6
Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
1,050 +4.5%
191.38
US$200,949 		1,050 +4.5% 191.38 US$200,949
2025-03-04 2025-03-03 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
2,999 -0.1%
212.02
US$635,848 		2,999 -0.1% 212.02 US$635,848
2025-03-04 2025-03-03 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
50,000 -2.0%
210.18
US$10,509,000 		50,000 -2.0% 210.18 US$10,509,000
2025-03-03 2025-03-03 PrS Proposed sale
2.5
Alan S. McKim

Officer

Officer
50,000
213.55
US$10,677,500 		50,000 213.55 US$10,677,500
2025-03-03 2025-03-03 PrS Proposed sale
2.5
ALAN S. MCKIM 2007 TRUST

Officer

Officer
2,999
212.02
US$635,837 		2,999 212.02 US$635,837
2025-02-19 2025-02-18 S Sale
2.8
States Lauren
Non-Executive Director
308 -2.5%
228.79
US$70,467 		308 -2.5% 228.79 US$70,467
2025-01-16 2025-01-15 S Sale
2.8
States Lauren
Non-Executive Director
308 -2.5%
239.04
US$73,624 		308 -2.5% 239.04 US$73,624
2024-12-17 2024-12-16 S Sale
2.8
States Lauren
Non-Executive Director
308 -2.4%
245.06
US$75,478 		308 -2.4% 245.06 US$75,478
2024-12-16 2024-12-16 PrS Proposed sale
2.8
LAUREN STATES

Director

Non-Executive Director
924
244.28
US$225,715 		924 244.28 US$225,715
2024-11-27 2024-11-27 PrS Proposed sale
2.7
BRIAN P WEBER

Officer

Officer
861
261.31
US$224,989 		861 261.31 US$224,989
2024-11-27 2024-11-27 S Sale
2.7
Weber Brian P

EVP (CHESI)

Officer
861 -1.4%
261.31
US$224,988 		861 -1.4% 261.31 US$224,988
2024-11-18 2024-11-15 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
6,051
250.09
US$1,513,310 		6,051 250.09 US$1,513,310
2024-11-18 2024-11-15 S Sale
2.8
States Lauren
Non-Executive Director
308 -2.3%
249.78
US$76,932 		308 -2.3% 249.78 US$76,932
2024-11-18 2024-11-15 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
6,051 -9.8%
250.42
US$1,515,291 		6,051 -9.8% 250.42 US$1,515,291
2024-11-06 2024-11-05 S Sale
3.0
Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
610 -1.5%
240.14
US$146,485 		610 -1.5% 240.14 US$146,485
2024-10-16 2024-10-15 S Sale
2.8
States Lauren
Non-Executive Director
308 -2.3%
260.74
US$80,308 		308 -2.3% 260.74 US$80,308
2024-09-17 2024-09-16 S Sale
2.8
States Lauren
Non-Executive Director
309 -2.2%
244.09
US$75,424 		309 -2.2% 244.09 US$75,424
2024-09-17 2024-09-16 S Sale
3.4
Battles Michael Louis

CO-CEO

Officer
10,000 -11.5%
245.74
US$2,457,400 		10,000 -11.5% 245.74 US$2,457,400
2024-09-16 2024-09-16 PrS Proposed sale
2.8
LAUREN STATES

Director

Non-Executive Director
925
243.97
US$225,672 		925 243.97 US$225,672
2024-09-16 2024-09-16 PrS Proposed sale
3.4
Battles Michael Louis

Officer

Officer
10,000
245.54
US$2,455,400 		10,000 245.54 US$2,455,400
2024-08-01 2024-08-01 PrS Proposed sale
3.1
ANDREA ROBERTSON

Director

Non-Executive Director
1,148
238.90
US$274,261 		1,148 238.90 US$274,261
2024-08-01 2024-08-01 S Sale
3.1
Robertson Andrea
Non-Executive Director
1,148 -10.0%
238.90
US$274,257 		1,148 -10.0% 238.90 US$274,257
2024-06-13 2024-06-11 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
50,000 -2.0%
215.51
US$10,775,500 		50,000 -2.0% 215.51 US$10,775,500
2024-06-11 2024-06-11 PrS Proposed sale
2.5
Alan S. McKim

Officer

Officer
50,000
213.90
US$10,695,000 		50,000 213.90 US$10,695,000
2024-05-24 2024-05-23 S Sale
2.8
States Lauren
Non-Executive Director
1,148 -7.7%
218.14
US$250,425 		1,148 -7.7% 218.14 US$250,425
2024-05-23 2024-05-23 PrS Proposed sale
2.8
LAUREN STATES

Director

Non-Executive Director
1,148
218.14
US$250,421 		1,148 218.14 US$250,421
2024-05-06 2024-05-03 S Sale
2.6
Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
6,200 -22.4%
208.74
US$1,294,188 		6,200 -22.4% 208.74 US$1,294,188
2024-05-03 2024-05-03 PrS Proposed sale
2.6
ERIC J. DUGAS

Officer

Officer
6,200
208.74
US$1,294,195 		6,200 208.74 US$1,294,195
2024-03-28 2024-03-27 S Sale
2.7
Weber Brian P

EVP (CHESI)

Officer
7,996 -11.3%
199.07
US$1,591,764 		7,996 -11.3% 199.07 US$1,591,764
2024-03-27 2024-03-27 PrS Proposed sale
2.7
BRIAN WEBER

Officer

Officer
7,996
199.07
US$1,591,769 		7,996 199.07 US$1,591,769
2024-03-18 2024-03-15 S Sale
2.6
GERSTENBERG ERIC W

CO-CEO

Officer
15,276 -18.5%
187.71
US$2,867,458 		15,276 -18.5% 187.71 US$2,867,458
2024-03-15 2024-03-15 PrS Proposed sale
2.6
GERSTENBERG ERIC W

Officer

Officer
15,276
187.42
US$2,863,000 		15,276 187.42 US$2,863,000
2024-03-15 2024-03-14 S Sale
2.6
PRESTON JOHN T
Non-Executive Director
1,913 -28.6%
188.36
US$360,333 		1,913 -28.6% 188.36 US$360,333
2024-03-14 2024-03-14 PrS Proposed sale
2.6
JOHN PRESTON

Director

Non-Executive Director
1,913
188.36
US$360,338 		1,913 188.36 US$360,338
2024-02-28 2024-02-27 S Sale
2.5
MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
35,000 -1.3%
182.22
US$6,377,700 		35,000 -1.3% 182.22 US$6,377,700
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