CLEAN HARBORS INC (CLH) Stock Ownership

NYSE:CLH • US1844961078

293.2 USD
+0.67 (+0.23%)
At close: Feb 27, 2026
293.231 USD
+0.03 (+0.01%)
After Hours: 2/27/2026, 8:04:00 PM
CLH Ownership Chart.CLH Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CLH Ownership.InsiderInstitutional



Shares Outstanding53.43M
Float50.39M
Float Short Interest Percentage2.45%
Owners (insider)5.56%
Owners (institutional)95.46%
Owners (insider) change1.23%
Owners (institutional) change7.55%
CLH Institutional Ownership HistoryCLH Institutional Ownership HistoryCLH Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M 40M 50M
CLH Historical Insider Transactions ChartCLH Historical Insider Buy and Sell Transactions ChartCLH Historical Insider Transactions Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 0 -50K -100K
Date Name Type Shares Price Amount
Feb 23, 2026 GERSTENBERG ERIC W Open Market Sale 2500 279.86 $ 699,650.00
Feb 20, 2026 Dugas Eric J. Open Market Sale 2788 281.31 $ 784,292.28
Feb 20, 2026 Gabriel Sharon M. Open Market Sale 3540 282.07 $ 998,527.80
Feb 19, 2026 Welch John R. Open Market Sale 750 273.07 $ 204,802.50
Feb 19, 2026 MCKIM ALAN S Open Market Sale 100000 281.14 $ 28,114,000.00
Feb 19, 2026 MCKIM ALAN S Other Disposition 10000 0.00 $ 0.00
Feb 2, 2026 CURTIS GEORGE L Option Excercise 249 259.91 $ 64,717.59
Feb 2, 2026 Battles Michael Louis Option Excercise 5205 259.91 $ 1,352,831.55
Feb 2, 2026 Weber Brian P Option Excercise 1394 259.91 $ 362,314.54
Feb 2, 2026 Underwood Rebecca Option Excercise 425 259.91 $ 110,461.75
Feb 1, 2026 Battles Michael Louis Grant 20980 0.00 $ 0.00
Feb 1, 2026 Weber Brian P Grant 4222 0.00 $ 0.00
Feb 1, 2026 Underwood Rebecca Grant 3351 0.00 $ 0.00
Jan 2, 2026 Gabriel Sharon M. Option Excercise 525 234.48 $ 123,102.00
Dec 16, 2025 GERSTENBERG ERIC W Open Market Sale 601 240.90 $ 144,780.90
Dec 15, 2025 Harrison Robert W. Option Excercise 16 240.71 $ 3,851.36
Dec 15, 2025 Geer Charles H. II Option Excercise 28 240.71 $ 6,739.88
Dec 15, 2025 Underwood Rebecca Option Excercise 51 240.71 $ 12,276.21
Dec 9, 2025 CURTIS GEORGE L Other Disposition 1000 0.00 $ 0.00
Dec 1, 2025 Harrison Robert W. Option Excercise 122 228.54 $ 27,881.88
Nov 13, 2025 States Lauren Other Disposition 245 0.00 $ 0.00
Sep 16, 2025 MCKIM ALAN S Other Disposition 12850 0.00 $ 0.00
Aug 5, 2025 Robertson Andrea Other Disposition 430 0.00 $ 0.00
Aug 1, 2025 Battles Michael Louis Open Market Purchase 2000 233.50 $ 467,000.00
Jul 31, 2025 Robertson Andrea Open Market Sale 836 233.64 $ 195,323.04
Jul 1, 2025 MCKIM ALAN S Option Excercise 1342 229.55 $ 308,056.10
Jul 1, 2025 Dugas Eric J. Option Excercise 613 229.55 $ 140,714.15
Jul 1, 2025 Weber Brian P Option Excercise 1136 229.55 $ 260,768.80
Jul 1, 2025 Battles Michael Louis Option Excercise 1532 229.55 $ 351,670.60
Jul 1, 2025 GERSTENBERG ERIC W Option Excercise 564 229.55 $ 129,466.20
Jul 1, 2025 Underwood Rebecca Option Excercise 1051 229.55 $ 241,257.05
Jul 1, 2025 CURTIS GEORGE L Option Excercise 399 229.55 $ 91,590.45
Jul 1, 2025 Gabriel Sharon M. Option Excercise 525 229.55 $ 120,513.75
Jun 13, 2025 Weber Brian P Open Market Sale 3035 227.17 $ 689,460.95
Jun 6, 2025 GERSTENBERG ERIC W Open Market Sale 8076 225.23 $ 1,818,957.48
Jun 5, 2025 Quirk Alison A. Open Market Sale 893 223.69 $ 199,755.17
Jun 4, 2025 MCKIM ALAN S Open Market Sale 100000 224.47 $ 22,446,950.40
Jun 2, 2025 Dugas Eric J. Option Excercise 806 226.79 $ 182,792.74
Jun 2, 2025 Diderich Jeroen Option Excercise 1540 226.79 $ 349,256.60
May 28, 2025 Welch John R. Open Market Sale 1250 228.51 $ 285,637.50
May 27, 2025 Speights Robert Open Market Sale 1022 228.49 $ 233,516.78
May 22, 2025 States Lauren Open Market Sale 836 226.17 $ 189,078.12
May 21, 2025 States Lauren Grant 789 0.00 $ 0.00
May 21, 2025 Quirk Alison A. Grant 789 0.00 $ 0.00
May 21, 2025 Polito Karyn Grant 789 0.00 $ 0.00
May 2, 2025 Speights Robert Other Disposition 16612 0.00 $ 0.00
Apr 1, 2025 CURTIS GEORGE L Grant 2000 0.00 $ 0.00
Mar 17, 2025 Underwood Rebecca Option Excercise 176 192.90 $ 33,950.40
Mar 17, 2025 Harrison Robert W. Option Excercise 35 192.90 $ 6,751.50
Mar 17, 2025 Dugas Eric J. Option Excercise 631 192.90 $ 121,719.90
Mar 17, 2025 Battles Michael Louis Option Excercise 1149 192.90 $ 221,642.10
Mar 17, 2025 Weber Brian P Option Excercise 959 192.90 $ 184,991.10
Mar 17, 2025 Gabriel Sharon M. Option Excercise 667 192.90 $ 128,664.30
Mar 17, 2025 GERSTENBERG ERIC W Option Excercise 978 192.90 $ 188,656.20
Mar 17, 2025 MCKIM ALAN S Option Excercise 1265 192.90 $ 244,018.50
Mar 17, 2025 Speights Robert Option Excercise 2481 192.90 $ 478,584.90
Mar 17, 2025 CURTIS GEORGE L Option Excercise 351 192.90 $ 67,707.90
Mar 10, 2025 Dugas Eric J. Open Market Purchase 1050 191.38 $ 200,949.00
Mar 10, 2025 Speights Robert Open Market Sale 2725 190.44 $ 518,949.00
Mar 3, 2025 MCKIM ALAN S Open Market Sale 52999 210.28 $ 11,144,847.98
Mar 3, 2025 MCKIM ALAN S Other Disposition 28073 0.00 $ 0.00