Stock chart
Ticker: CLH Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned 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
2025-03-11 2025-03-10 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
2,725 -6.4%
190.44
USD 518,949
2,725 -6.4% 190.44 USD 518,949
2025-03-11 2025-03-10 B Purchase

Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
1,050 +4.5%
191.38
USD 200,949
1,050 +4.5% 191.38 USD 200,949
2025-03-04 2025-03-03 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
2,999 -0.1%
212.02
USD 635,848
2,999 -0.1% 212.02 USD 635,848
2025-03-04 2025-03-03 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
50,000 -2.0%
210.18
USD 10,509,000
50,000 -2.0% 210.18 USD 10,509,000
2025-02-19 2025-02-18 S Sale

States Lauren

Non-Executive Director
308 -2.5%
228.79
USD 70,467
308 -2.5% 228.79 USD 70,467
2025-01-16 2025-01-15 S Sale

States Lauren

Non-Executive Director
308 -2.5%
239.04
USD 73,624
308 -2.5% 239.04 USD 73,624
2024-12-17 2024-12-16 S Sale

States Lauren

Non-Executive Director
308 -2.4%
245.06
USD 75,478
308 -2.4% 245.06 USD 75,478
2024-11-27 2024-11-27 S Sale

Weber Brian P

EVP (CHESI)

Officer
861 -1.4%
261.31
USD 224,988
861 -1.4% 261.31 USD 224,988
2024-11-18 2024-11-15 S Sale

States Lauren

Non-Executive Director
308 -2.3%
249.78
USD 76,932
308 -2.3% 249.78 USD 76,932
2024-11-18 2024-11-15 S Sale

GERSTENBERG ERIC W

CO-CEO

Officer
6,051 -9.8%
250.42
USD 1,515,291
6,051 -9.8% 250.42 USD 1,515,291
2024-11-06 2024-11-05 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
610 -1.5%
240.14
USD 146,485
610 -1.5% 240.14 USD 146,485
2024-10-16 2024-10-15 S Sale

States Lauren

Non-Executive Director
308 -2.3%
260.74
USD 80,308
308 -2.3% 260.74 USD 80,308
2024-09-17 2024-09-16 S Sale

States Lauren

Non-Executive Director
309 -2.2%
244.09
USD 75,424
309 -2.2% 244.09 USD 75,424
2024-09-17 2024-09-16 S Sale

Battles Michael Louis

CO-CEO

Officer
10,000 -11.5%
245.74
USD 2,457,400
10,000 -11.5% 245.74 USD 2,457,400
2024-08-01 2024-08-01 S Sale

Robertson Andrea

Non-Executive Director
1,148 -10.0%
238.90
USD 274,257
1,148 -10.0% 238.90 USD 274,257
2024-06-13 2024-06-11 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
50,000 -2.0%
215.51
USD 10,775,500
50,000 -2.0% 215.51 USD 10,775,500
2024-05-24 2024-05-23 S Sale

States Lauren

Non-Executive Director
1,148 -7.7%
218.14
USD 250,425
1,148 -7.7% 218.14 USD 250,425
2024-05-06 2024-05-03 S Sale

Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
6,200 -22.4%
208.74
USD 1,294,188
6,200 -22.4% 208.74 USD 1,294,188
2024-03-28 2024-03-27 S Sale

Weber Brian P

EVP (CHESI)

Officer
7,996 -11.3%
199.07
USD 1,591,764
7,996 -11.3% 199.07 USD 1,591,764
2024-03-18 2024-03-15 S Sale

GERSTENBERG ERIC W

CO-CEO

Officer
15,276 -18.5%
187.71
USD 2,867,458
15,276 -18.5% 187.71 USD 2,867,458
2024-03-15 2024-03-14 S Sale

PRESTON JOHN T

Non-Executive Director
1,913 -28.6%
188.36
USD 360,333
1,913 -28.6% 188.36 USD 360,333
2024-02-28 2024-02-27 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
35,000 -1.3%
182.22
USD 6,377,700
35,000 -1.3% 182.22 USD 6,377,700
2024-02-28 2024-02-26 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
35,000 -1.3%
184.06
USD 6,442,100
35,000 -1.3% 184.06 USD 6,442,100
2023-12-22 2023-12-20 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
17,453 -0.6%
178.37
USD 3,113,092
17,453 -0.6% 178.37 USD 3,113,092
2023-12-05 2023-12-01 S Sale

Harrison Robert W.

EVP, EHS

Officer
122 -3.5%
166.86
USD 20,357
122 -3.5% 166.86 USD 20,357
2023-11-27 2023-11-22 S Sale

GERSTENBERG ERIC W

CO-CEO

Officer
8,000 -10.4%
164.82
USD 1,318,560
8,000 -10.4% 164.82 USD 1,318,560
2023-11-20 2023-11-17 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
46,611 -1.7%
164.60
USD 7,672,171
46,611 -1.7% 164.60 USD 7,672,171
2023-11-20 2023-11-16 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
28,389 -1.0%
164.50
USD 4,669,991
28,389 -1.0% 164.50 USD 4,669,991
2023-08-30 2023-08-29 S Sale

Dugas Eric J.

EVP CHIEF FINANCIAL OFFICER

Officer
3,500 -12.2%
171.00
USD 598,500
3,500 -12.2% 171.00 USD 598,500
2023-08-28 2023-08-25 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
1,984 -4.9%
171.03
USD 339,324
1,984 -4.9% 171.03 USD 339,324
2023-08-24 2023-08-23 S Sale

CURTIS GEORGE L

EXEC. VICE PRESIDENT (CHESI)

Officer
10,303 -17.6%
171.54
USD 1,767,377
10,303 -17.6% 171.54 USD 1,767,377
2023-08-17 2023-08-16 S Sale

PRESTON JOHN T

Non-Executive Director
2,095 -23.9%
173.68
USD 363,860
2,095 -23.9% 173.68 USD 363,860
2023-08-08 2023-08-08 S Sale

Robertson Andrea

Non-Executive Director
1,200 -10.1%
169.08
USD 202,895
1,200 -10.1% 169.08 USD 202,895
2023-08-04 2023-08-04 S Sale

Battles Michael Louis

CO-CEO

Officer
10,000 -11.8%
171.00
USD 1,710,000
10,000 -11.8% 171.00 USD 1,710,000
2023-07-06 2023-07-03 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
825 -2.0%
164.43
USD 135,655
825 -2.0% 164.43 USD 135,655
2023-07-06 2023-07-03 S Sale

Dugas Eric J.

SVP FINANCE, CONTROLLER & CAO

Officer
898 -3.0%
164.43
USD 147,658
898 -3.0% 164.43 USD 147,658
2023-07-06 2023-07-03 S Sale

Battles Michael Louis

CO-CEO

Officer
6,467 -7.1%
164.43
USD 1,063,369
6,467 -7.1% 164.43 USD 1,063,369
2023-07-06 2023-07-03 S Sale

Weber Brian P

EVP (CHESI)

Officer
1,966 -2.8%
164.43
USD 323,269
1,966 -2.8% 164.43 USD 323,269
2023-07-06 2023-07-03 S Sale

CURTIS GEORGE L

EXEC. VICE PRESIDENT (CHESI)

Officer
717 -1.2%
164.43
USD 117,896
717 -1.2% 164.43 USD 117,896
2023-07-06 2023-07-03 S Sale

Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
557 -2.2%
164.43
USD 91,588
557 -2.2% 164.43 USD 91,588
2023-07-06 2023-07-03 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
1,231 -0.0%
164.43
USD 202,413
1,231 -0.0% 164.43 USD 202,413
2023-07-06 2023-07-03 S Sale

GERSTENBERG ERIC W

CO-CEO

Officer
9,725 -11.1%
164.43
USD 1,599,082
9,725 -11.1% 164.43 USD 1,599,082
2023-06-12 2023-06-09 S Sale

Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
3,235 -11.1%
155.71
USD 503,722
3,235 -11.1% 155.71 USD 503,722
2023-06-12 2023-06-09 S Sale

BANUCCI EUGENE G

Non-Executive Director
5,020 -47.3%
156.09
USD 783,572
5,020 -47.3% 156.09 USD 783,572
2023-06-05 2023-06-02 S Sale

Welch John R.

Non-Executive Director
1,000 -7.4%
150.43
USD 150,430
1,000 -7.4% 150.43 USD 150,430
2023-05-31 2023-05-26 S Sale

BANUCCI EUGENE G

Non-Executive Director
10,000 -48.5%
144.59
USD 1,445,900
10,000 -48.5% 144.59 USD 1,445,900
2023-05-30 2023-05-25 S Sale

Weber Brian P

EVP (CHESI)

Officer
3,131 -4.3%
142.63
USD 446,575
3,131 -4.3% 142.63 USD 446,575
2023-05-26 2023-05-24 S Sale

McDuffie Melkeya

EVP, HUMAN RESOURCES OFFICER

Officer
714 -6.6%
144.29
USD 103,023
714 -6.6% 144.29 USD 103,023
2023-05-17 2023-05-16 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
53,800 -1.9%
139.02
USD 7,479,276
53,800 -1.9% 139.02 USD 7,479,276
2023-05-17 2023-05-15 S Sale

MCKIM ALAN S

EXEC CHAIR, CTO.

Executive Director
16,200 -0.6%
139.60
USD 2,261,520
16,200 -0.6% 139.60 USD 2,261,520
2023-05-05 2023-05-04 S Sale

States Lauren

Non-Executive Director
510 -3.7%
136.13
USD 69,426
510 -3.7% 136.13 USD 69,426
2023-04-04 2023-04-01 S Sale

Dugas Eric J.

SVP FINANCE, CONTROLLER & CAO

Officer
346 -1.1%
142.56
USD 49,326
346 -1.1% 142.56 USD 49,326
2023-04-04 2023-04-01 S Sale

Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
196 -0.7%
142.56
USD 27,942
196 -0.7% 142.56 USD 27,942
2023-03-29 2023-03-27 S Sale

TWOHIG MICHAEL J

EVP (CHESI)

Officer
2,000 -6.5%
134.42
USD 268,840
2,000 -6.5% 134.42 USD 268,840
2023-03-17 2023-03-15 S Sale

CURTIS GEORGE L

EXEC. VICE PRESIDENT (CHESI)

Officer
221 -0.4%
133.07
USD 29,408
221 -0.4% 133.07 USD 29,408
2023-03-17 2023-03-15 S Sale

MCKIM ALAN S

CHRMN.OF BD, PRES. & CEO

Executive Director
1,161 -0.0%
133.07
USD 154,494
1,161 -0.0% 133.07 USD 154,494
2023-03-17 2023-03-15 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
1,363 -3.2%
133.07
USD 181,374
1,363 -3.2% 133.07 USD 181,374
2023-03-17 2023-03-15 S Sale

Battles Michael Louis

EVP AND CFO

Officer
644 -0.7%
133.07
USD 85,697
644 -0.7% 133.07 USD 85,697
2023-03-17 2023-03-15 S Sale

Dugas Eric J.

SVP FINANCE, CONTROLLER & CAO

Officer
305 -1.0%
133.07
USD 40,586
305 -1.0% 133.07 USD 40,586
2023-03-17 2023-03-15 S Sale

GERSTENBERG ERIC W

CHIEF OPERATING OFFICER(CHESI)

Officer
488 -0.6%
133.07
USD 64,938
488 -0.6% 133.07 USD 64,938
2023-03-17 2023-03-15 S Sale

McDuffie Melkeya

EVP, HUMAN RESOURCES OFFICER

Officer
231 -2.1%
133.07
USD 30,739
231 -2.1% 133.07 USD 30,739
2023-03-17 2023-03-15 S Sale

Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
274 -0.9%
133.07
USD 36,461
274 -0.9% 133.07 USD 36,461
2023-03-17 2023-03-15 S Sale

TWOHIG MICHAEL J

EVP (CHESI)

Officer
290 -0.9%
133.07
USD 38,590
290 -0.9% 133.07 USD 38,590
2023-03-17 2023-03-15 S Sale

Weber Brian P

EVP (CHESI)

Officer
527 -0.7%
133.07
USD 70,128
527 -0.7% 133.07 USD 70,128
2023-03-13 2023-03-09 S Sale

Gabriel Sharon M.

EVP/CIO (CHESI)

Officer
3,810 -11.4%
138.92
USD 529,285
3,810 -11.4% 138.92 USD 529,285
2023-03-08 2023-03-07 S Sale

BANUCCI EUGENE G

Non-Executive Director
5,000 -19.5%
133.97
USD 669,850
5,000 -19.5% 133.97 USD 669,850
2023-03-03 2023-03-02 S Sale

PRESTON JOHN T

Non-Executive Director
3,750 -33.0%
134.90
USD 505,875
3,750 -33.0% 134.90 USD 505,875
2022-12-30 2022-12-29 S Sale

Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Officer
3,327 -8.4%
113.71
USD 378,313
3,327 -8.4% 113.71 USD 378,313
2022-12-22 2022-12-21 S Sale

GERSTENBERG ERIC W

CHIEF OPERATING OFFICER(CHESI)

Officer
16,409 -21.1%
116.02
USD 1,903,833
16,409 -21.1% 116.02 USD 1,903,833
2022-12-14 2022-12-13 S Sale

Dugas Eric J.

SVP FINANCE, CONTROLLER & CAO

Officer
3,274 -11.1%
122.39
USD 400,705
3,274 -11.1% 122.39 USD 400,705
2022-11-29 2022-11-28 S Sale

MCKIM ALAN S

CHRMN.OF BD, PRES. & CEO

Executive Director
40,000 -1.3%
120.45
USD 4,817,980
40,000 -1.3% 120.45 USD 4,817,980
2022-09-12 2022-09-09 S Sale

Weber Brian P

EVP (CHESI)

Officer
2,003 -3.1%
122.42
USD 245,207
2,003 -3.1% 122.42 USD 245,207
2022-08-09 2022-08-08 S Sale

PRESTON JOHN T

Non-Executive Director
2,168 -16.0%
111.50
USD 241,738
2,168 -16.0% 111.50 USD 241,738
2022-08-08 2022-08-05 S Sale

Robertson Andrea

Non-Executive Director
1,095 -9.3%
106.37
USD 116,475
1,095 -9.3% 106.37 USD 116,475
2022-05-12 2022-05-12 B Purchase

Battles Michael Louis

EVP and CFO

Officer
2,000 +2.9%
88.35
USD 176,700
2,000 +2.9% 88.35 USD 176,700
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