Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Clean Harbors Inc (CLH) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Clean Harbors Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 822818.
Total stock buying since 2015: $1,081,809.
Total stock sales since 2015: $203,670,568.
Total stock option exercises since 2015: $1,070,220.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 3,050 | $667,949 | 172,288 | $37,909,803 | 0 | $0 |
| 2024 | 0 | $0 | 172,436 | $34,886,024 | 0 | $0 |
| 2023 | 0 | $0 | 266,259 | $41,484,016 | 0 | $0 |
| 2022 | 2,000 | $176,700 | 124,961 | $14,249,693 | 0 | $0 |
| 2021 | 0 | $0 | 142,892 | $13,943,703 | 0 | $0 |
| 2020 | 4,611 | $193,010 | 154,841 | $10,195,202 | 0 | $0 |
| 2019 | 0 | $0 | 146,894 | $10,794,501 | 0 | $0 |
| 2018 | 0 | $0 | 241,585 | $13,613,873 | 0 | $0 |
| 2017 | 0 | $0 | 241,312 | $13,660,396 | 2,000 | $46,010 |
| 2016 | 1,000 | $44,150 | 118,909 | $6,285,982 | 22,000 | $627,130 |
| 2015 | 0 | $0 | 156,219 | $6,647,375 | 12,000 | $397,080 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 2,000 | $467,000 | 0 | $0 | 0 | $0 |
| 2025-07 | 0 | $0 | 836 | $195,323 | 0 | $0 |
| 2025-06 | 0 | $0 | 112,004 | $25,155,121 | 0 | $0 |
| 2025-05 | 0 | $0 | 3,108 | $708,231 | 0 | $0 |
| 2025-03 | 1,050 | $200,949 | 55,724 | $11,707,037 | 0 | $0 |
| 2025-02 | 0 | $0 | 308 | $70,467 | 0 | $0 |
| 2025-01 | 0 | $0 | 308 | $73,624 | 0 | $0 |
| 2024-12 | 0 | $0 | 308 | $75,478 | 0 | $0 |
| 2024-11 | 0 | $0 | 7,830 | $1,963,695 | 0 | $0 |
| 2024-10 | 0 | $0 | 308 | $80,307 | 0 | $0 |
| 2024-09 | 0 | $0 | 10,309 | $2,532,823 | 0 | $0 |
| 2024-08 | 0 | $0 | 1,148 | $274,257 | 0 | $0 |
| 2024-06 | 0 | $0 | 50,000 | $10,775,500 | 0 | $0 |
| 2024-05 | 0 | $0 | 7,348 | $1,544,612 | 0 | $0 |
| 2024-03 | 0 | $0 | 25,185 | $4,819,552 | 0 | $0 |
| 2024-02 | 0 | $0 | 70,000 | $12,819,800 | 0 | $0 |
| 2023-12 | 0 | $0 | 17,575 | $3,133,447 | 0 | $0 |
| 2023-11 | 0 | $0 | 83,000 | $13,660,720 | 0 | $0 |
| 2023-08 | 0 | $0 | 29,082 | $4,981,952 | 0 | $0 |
| 2023-07 | 0 | $0 | 22,386 | $3,680,926 | 0 | $0 |
| 2023-06 | 0 | $0 | 9,255 | $1,437,722 | 0 | $0 |
| 2023-05 | 0 | $0 | 84,355 | $11,805,719 | 0 | $0 |
| 2023-04 | 0 | $0 | 542 | $77,266 | 0 | $0 |
| 2023-03 | 0 | $0 | 20,064 | $2,706,264 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-01 | Battles Michael Louis (CO-CEO) | Buy | 2,000 | 233.50 | 467,000 |
| 2025-07-31 | Robertson Andrea | Sale | 836 | 233.64 | 195,323 |
| 2025-06-13 | Weber Brian P (EVP (CHESI)) | Sale | 3,035 | 227.17 | 689,460 |
| 2025-06-06 | Gerstenberg Eric W (CO-CEO) | Sale | 8,076 | 225.23 | 1,818,957 |
| 2025-06-05 | Quirk Alison A. | Sale | 893 | 223.69 | 199,755 |
| 2025-06-05 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 58,156 | 223.80 | 13,015,312 |
| 2025-06-04 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 41,844 | 225.40 | 9,431,637 |
| 2025-05-28 | Welch John R. | Sale | 1,250 | 228.51 | 285,637 |
| 2025-05-27 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 1,022 | 228.49 | 233,516 |
| 2025-05-22 | States Lauren | Sale | 836 | 226.17 | 189,078 |
| 2025-03-10 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 2,725 | 190.44 | 518,949 |
| 2025-03-10 | Dugas Eric J. (EVP CHIEF FINANCIAL OFFICER) | Buy | 1,050 | 191.38 | 200,949 |
| 2025-03-03 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 52,999 | 211.10 | 11,188,088 |
| 2025-02-18 | States Lauren | Sale | 308 | 228.79 | 70,467 |
| 2025-01-15 | States Lauren | Sale | 308 | 239.04 | 73,624 |
| 2024-12-16 | States Lauren | Sale | 308 | 245.06 | 75,478 |
| 2024-11-27 | Weber Brian P (EVP (CHESI)) | Sale | 861 | 261.31 | 224,987 |
| 2024-11-15 | States Lauren | Sale | 308 | 249.78 | 76,932 |
| 2024-11-15 | Gerstenberg Eric W (CO-CEO) | Sale | 6,051 | 250.42 | 1,515,291 |
| 2024-11-05 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 610 | 240.14 | 146,485 |
| 2024-10-15 | States Lauren | Sale | 308 | 260.74 | 80,307 |
| 2024-09-16 | States Lauren | Sale | 309 | 244.09 | 75,423 |
| 2024-09-16 | Battles Michael Louis (CO-CEO) | Sale | 10,000 | 245.74 | 2,457,400 |
| 2024-08-01 | Robertson Andrea | Sale | 1,148 | 238.90 | 274,257 |
| 2024-06-11 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 50,000 | 215.51 | 10,775,500 |
| 2024-05-23 | States Lauren | Sale | 1,148 | 218.14 | 250,424 |
| 2024-05-03 | Dugas Eric J. (EVP CHIEF FINANCIAL OFFICER) | Sale | 6,200 | 208.74 | 1,294,188 |
| 2024-03-27 | Weber Brian P (EVP (CHESI)) | Sale | 7,996 | 199.07 | 1,591,763 |
| 2024-03-15 | Gerstenberg Eric W (CO-CEO) | Sale | 15,276 | 187.71 | 2,867,457 |
| 2024-03-14 | Preston John T | Sale | 1,913 | 188.36 | 360,332 |
| 2024-02-27 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 35,000 | 182.22 | 6,377,700 |
| 2024-02-26 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 35,000 | 184.06 | 6,442,100 |
| 2023-12-20 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 17,453 | 178.37 | 3,113,091 |
| 2023-12-01 | Harrison Robert W. (EVP, EHS) | Sale | 122 | 166.86 | 20,356 |
| 2023-11-22 | Gerstenberg Eric W (CO-CEO) | Sale | 8,000 | 164.82 | 1,318,560 |
| 2023-11-17 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 46,611 | 164.60 | 7,672,170 |
| 2023-11-16 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 28,389 | 164.50 | 4,669,990 |
| 2023-08-29 | Dugas Eric J. (EVP CHIEF FINANCIAL OFFICER) | Sale | 3,500 | 171.00 | 598,500 |
| 2023-08-25 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 1,984 | 171.03 | 339,323 |
| 2023-08-23 | Curtis George L (EXEC. VICE PRESIDENT (CHESI)) | Sale | 10,303 | 171.54 | 1,767,376 |
| 2023-08-16 | Preston John T | Sale | 2,095 | 173.68 | 363,859 |
| 2023-08-08 | Robertson Andrea | Sale | 1,200 | 169.08 | 202,894 |
| 2023-08-04 | Battles Michael Louis (CO-CEO) | Sale | 10,000 | 171.00 | 1,710,000 |
| 2023-07-03 | Gabriel Sharon M. (EVP/CIO (CHESI)) | Sale | 557 | 164.43 | 91,587 |
| 2023-07-03 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 825 | 164.43 | 135,654 |
| 2023-07-03 | Dugas Eric J. (SVP FINANCE, CONTROLLER & CAO) | Sale | 898 | 164.43 | 147,658 |
| 2023-07-03 | Battles Michael Louis (CO-CEO) | Sale | 6,467 | 164.43 | 1,063,368 |
| 2023-07-03 | Weber Brian P (EVP (CHESI)) | Sale | 1,966 | 164.43 | 323,269 |
| 2023-07-03 | Curtis George L (EXEC. VICE PRESIDENT (CHESI)) | Sale | 717 | 164.43 | 117,896 |
| 2023-07-03 | Gerstenberg Eric W (CO-CEO) | Sale | 9,725 | 164.43 | 1,599,081 |
| 2023-07-03 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 1,231 | 164.43 | 202,413 |
| 2023-06-09 | Gabriel Sharon M. (EVP/CIO (CHESI)) | Sale | 3,235 | 155.71 | 503,721 |
| 2023-06-09 | Banucci Eugene G | Sale | 5,020 | 156.09 | 783,571 |
| 2023-06-02 | Welch John R. | Sale | 1,000 | 150.43 | 150,430 |
| 2023-05-26 | Banucci Eugene G | Sale | 10,000 | 144.59 | 1,445,900 |
| 2023-05-25 | Weber Brian P (EVP (CHESI)) | Sale | 3,131 | 142.63 | 446,574 |
| 2023-05-24 | Mcduffie Melkeya (EVP, HUMAN RESOURCES OFFICER) | Sale | 714 | 144.29 | 103,023 |
| 2023-05-16 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 53,800 | 139.02 | 7,479,276 |
| 2023-05-15 | Mckim Alan S (EXEC CHAIR, CTO.) | Sale | 16,200 | 139.60 | 2,261,520 |
| 2023-05-04 | States Lauren | Sale | 510 | 136.13 | 69,426 |
| 2023-04-01 | Gabriel Sharon M. (EVP/CIO (CHESI)) | Sale | 196 | 142.56 | 27,941 |
| 2023-04-01 | Dugas Eric J. (SVP FINANCE, CONTROLLER & CAO) | Sale | 346 | 142.56 | 49,325 |
| 2023-03-27 | Twohig Michael J (EVP (CHESI)) | Sale | 2,000 | 134.42 | 268,840 |
| 2023-03-15 | Mcduffie Melkeya (EVP, HUMAN RESOURCES OFFICER) | Sale | 231 | 133.07 | 30,739 |
| 2023-03-15 | Gabriel Sharon M. (EVP/CIO (CHESI)) | Sale | 274 | 133.07 | 36,461 |
| 2023-03-15 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 1,363 | 133.07 | 181,374 |
| 2023-03-15 | Dugas Eric J. (SVP FINANCE, CONTROLLER & CAO) | Sale | 305 | 133.07 | 40,586 |
| 2023-03-15 | Battles Michael Louis (EVP AND CFO) | Sale | 644 | 133.07 | 85,697 |
| 2023-03-15 | Weber Brian P (EVP (CHESI)) | Sale | 527 | 133.07 | 70,127 |
| 2023-03-15 | Twohig Michael J (EVP (CHESI)) | Sale | 290 | 133.07 | 38,590 |
| 2023-03-15 | Curtis George L (EXEC. VICE PRESIDENT (CHESI)) | Sale | 221 | 133.07 | 29,408 |
| 2023-03-15 | Gerstenberg Eric W (CHIEF OPERATING OFFICER(CHESI)) | Sale | 488 | 133.07 | 64,938 |
| 2023-03-15 | Mckim Alan S (CHRMN.OF BD, PRES. & CEO) | Sale | 1,161 | 133.07 | 154,494 |
| 2023-03-09 | Gabriel Sharon M. (EVP/CIO (CHESI)) | Sale | 3,810 | 138.92 | 529,285 |
| 2023-03-07 | Banucci Eugene G | Sale | 5,000 | 133.97 | 669,850 |
| 2023-03-02 | Preston John T | Sale | 3,750 | 134.90 | 505,875 |
| 2022-12-29 | Speights Robert (PRESIDENT, INDUSTRIAL SERVICES) | Sale | 3,327 | 113.71 | 378,313 |
| 2022-12-21 | Gerstenberg Eric W (CHIEF OPERATING OFFICER(CHESI)) | Sale | 16,409 | 116.02 | 1,903,837 |
| 2022-12-13 | Dugas Eric J. (SVP FINANCE, CONTROLLER & CAO) | Sale | 3,274 | 122.39 | 400,704 |
| 2022-11-28 | Mckim Alan S (CHRMN.OF BD, PRES. & CEO) | Sale | 40,000 | 120.45 | 4,818,000 |
| 2022-09-09 | Weber Brian P (EVP (CHESI)) | Sale | 2,003 | 122.42 | 245,207 |
| 2022-08-05 | Robertson Andrea | Sale | 1,095 | 106.37 | 116,475 |
| 2022-05-12 | Battles Michael Louis (EVP and CFO) | Buy | 2,000 | 88.35 | 176,700 |
| 2022-05-10 | States Lauren | Sale | 750 | 90.68 | 68,010 |
| 2022-03-25 | Gerstenberg Eric W (Chief Operating Officer(CHESI)) | Sale | 6,927 | 106.62 | 738,556 |
| 2022-03-18 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 20,176 | 109.04 | 2,199,991 |
| 2022-03-17 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 30,000 | 109.51 | 3,285,300 |
| 2022-02-25 | Robertson Andrea | Sale | 1,000 | 95.30 | 95,300 |
| 2021-12-30 | Weber Brian P (EVP (CHESI)) | Sale | 2,390 | 98.90 | 236,371 |
| 2021-12-10 | Speights Robert (President, Industrial Services) | Sale | 2,118 | 99.02 | 209,724 |
| 2021-12-01 | Knapp Jeffrey Herbert (EVP - HR (CHESI)) | Sale | 1,000 | 100.55 | 100,550 |
| 2021-11-23 | Knapp Jeffrey Herbert (EVP - HR (CHESI)) | Sale | 961 | 109.34 | 105,074 |
| 2021-11-19 | Knapp Jeffrey Herbert (EVP - HR (CHESI)) | Sale | 1,000 | 108.56 | 108,560 |
| 2021-09-10 | Weber Brian P (EVP (CHESI)) | Sale | 2,519 | 101.42 | 255,487 |
| 2021-09-01 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 1,152 | 102.42 | 117,990 |
| 2021-08-31 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 16,800 | 102.58 | 1,723,394 |
| 2021-08-30 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 12,048 | 102.68 | 1,237,088 |
| 2021-08-25 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 25,000 | 101.76 | 2,544,000 |
| 2021-08-23 | Battles Michael Louis (EVP and CFO) | Sale | 5,000 | 101.75 | 508,750 |
| 2021-08-20 | Gerstenberg Eric W (Chief Operating Officer(CHESI)) | Sale | 17,963 | 100.28 | 1,801,293 |
| 2021-08-12 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 2,000 | 102.99 | 205,980 |
| 2021-08-05 | Welch John R. | Sale | 5,500 | 99.05 | 544,775 |
| 2021-08-05 | Robertson Andrea | Sale | 2,168 | 99.14 | 214,935 |
| 2021-05-10 | Marlin Rod | Sale | 6,910 | 95.40 | 659,186 |
| 2021-03-31 | Speights Robert (President, Industrial Services) | Sale | 1,007 | 84.34 | 84,930 |
| 2021-03-18 | Marlin Rod | Sale | 14,841 | 89.08 | 1,322,036 |
| 2021-03-15 | Twohig Michael J (EVP (CHESI)) | Sale | 4,557 | 88.32 | 402,474 |
| 2021-03-05 | Battles Michael Louis (EVP and CFO) | Sale | 10,000 | 86.39 | 863,900 |
| 2021-02-26 | Preston John T | Sale | 6,000 | 85.49 | 512,939 |
| 2021-02-25 | Robertson Andrea | Sale | 1,500 | 89.42 | 134,130 |
| 2020-11-27 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 3,111 | 74.65 | 232,236 |
| 2020-11-17 | Weber Brian P (EVP (CHESI)) | Sale | 3,600 | 73.73 | 265,428 |
| 2020-11-13 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 19,739 | 70.86 | 1,398,705 |
| 2020-11-10 | Robertson Andrea | Sale | 1,272 | 71.90 | 91,456 |
| 2020-09-01 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 196 | 60.00 | 11,760 |
| 2020-09-01 | Battles Michael Louis (EVP and CFO) | Sale | 444 | 60.00 | 26,640 |
| 2020-08-20 | Gerstenberg Eric W (Chief Operating Officer(CHESI)) | Sale | 20,279 | 61.72 | 1,251,599 |
| 2020-08-13 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 15,096 | 63.90 | 964,604 |
| 2020-08-12 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 16,200 | 64.72 | 1,048,528 |
| 2020-08-11 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 41,300 | 65.23 | 2,694,122 |
| 2020-08-10 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 27,404 | 65.36 | 1,790,988 |
| 2020-06-08 | Marlin Rod | Sale | 5,000 | 69.00 | 345,000 |
| 2020-05-28 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 1,200 | 61.78 | 74,136 |
| 2020-05-13 | Battles Michael Louis (EVP and CFO) | Buy | 1,650 | 46.45 | 76,642 |
| 2020-03-23 | Speights Robert (EVP (CHESI)) | Buy | 641 | 39.00 | 24,999 |
| 2020-03-19 | Knapp Jeffrey Herbert (EVP - HR (CHESI)) | Buy | 500 | 32.80 | 16,400 |
| 2020-03-18 | Speights Robert (EVP (CHESI)) | Buy | 1,275 | 39.15 | 49,916 |
| 2020-03-16 | Speights Robert (EVP (CHESI)) | Buy | 545 | 45.97 | 25,053 |
| 2019-12-27 | Twohig Michael J (EVP (CHESI)) | Sale | 2,500 | 86.67 | 216,675 |
| 2019-12-02 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 20,000 | 82.75 | 1,655,000 |
| 2019-11-06 | Weber Brian P (EVP (CHESI)) | Sale | 1,175 | 84.64 | 99,452 |
| 2019-11-05 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 1,176 | 82.87 | 97,455 |
| 2019-10-31 | Battles Michael Louis (EVP and CFO) | Sale | 5,000 | 83.61 | 418,050 |
| 2019-10-31 | Robertson Andrea | Sale | 1,000 | 83.78 | 83,780 |
| 2019-10-31 | Curtis George L (Exec. Vice President (CHESI)) | Sale | 10,408 | 83.82 | 872,398 |
| 2019-09-04 | Dugas Eric J. (SVP Finance, Controller & CAO) | Sale | 2,034 | 73.85 | 150,210 |
| 2019-08-16 | Battles Michael Louis (EVP and CFO) | Sale | 1,000 | 76.00 | 76,000 |
| 2019-08-08 | Gerstenberg Eric W (Chief Operating Officer(CHESI)) | Sale | 20,000 | 78.52 | 1,570,400 |
| 2019-08-01 | Robertson Andrea | Sale | 2,557 | 78.98 | 201,951 |
| 2019-06-26 | Marlin Rod | Sale | 4,267 | 68.58 | 292,630 |
| 2019-06-20 | Battles Michael Louis (EVP and CFO) | Sale | 5,000 | 70.09 | 350,450 |
| 2019-06-04 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 11,318 | 65.30 | 739,065 |
| 2019-05-28 | Mckim Alan S (Chrmn.of Bd, Pres. & CEO) | Sale | 38,682 | 65.32 | 2,526,708 |
| 2019-05-03 | Battles Michael Louis (EVP and CFO) | Sale | 4,000 | 71.85 | 287,400 |
| 2019-03-22 | Weber Brian P (EVP (CHESI)) | Sale | 1,777 | 71.00 | 126,167 |
| 2019-03-19 | Battles Michael Louis (EVP and CFO) | Sale | 4,000 | 69.74 | 278,960 |
| 2019-03-05 | Robertson Andrea | Sale | 1,000 | 66.75 | 66,750 |
| 2019-03-01 | Marlin Rod | Sale | 10,000 | 68.50 | 685,000 |
| 2018-11-09 | Battles Michael Louis (EVP and CFO) | Sale | 2,000 | 65.20 | 130,400 |
| 2018-11-06 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 29,674 | 64.26 | 1,906,851 |
| 2018-11-05 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 20,326 | 64.03 | 1,301,473 |
| 2018-11-01 | Robertson Andrea | Sale | 1,500 | 68.31 | 102,465 |
| 2018-09-24 | Weber Brian P (EVP (CHESI)) | Sale | 1,304 | 69.83 | 91,058 |
| 2018-09-06 | Cowan Grace (EVP Customer Service (CHESI)) | Sale | 424 | 70.62 | 29,942 |
| 2018-09-06 | Kraus Eric A (Exec. Vice President (CHESI)) | Sale | 1,100 | 69.65 | 76,615 |
| 2018-09-06 | Twohig Michael J (EVP (CHESI)) | Sale | 4,211 | 69.65 | 293,296 |
| 2018-09-04 | Battles Michael Louis (EVP and CFO) | Sale | 6,000 | 69.46 | 416,759 |
| 2018-08-31 | Parry David M (Executive Vice President) | Sale | 4,579 | 68.76 | 314,852 |
| 2018-08-07 | Parry David M (Executive Vice President) | Sale | 3,026 | 61.93 | 187,400 |
| 2018-08-06 | Vergo David J. (President, Safety-Kleen) | Sale | 2,384 | 62.22 | 148,332 |
| 2018-08-02 | Robertson Andrea | Sale | 2,000 | 63.62 | 127,240 |
| 2018-06-25 | Gerstenberg Eric W (Chief Operating Officer(CHESI)) | Sale | 8,000 | 55.19 | 441,520 |
| 2018-06-05 | Twohig Michael J (EVP (CHESI)) | Sale | 2,836 | 53.43 | 151,527 |
| 2018-06-04 | Bouldin Mark G. (EVP/SK) | Sale | 433 | 53.25 | 23,057 |
| 2018-05-24 | Dugas Eric J. (SVP Finance and CAO) | Sale | 900 | 52.76 | 47,484 |
| 2018-05-14 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 100,000 | 52.11 | 5,211,000 |
| 2018-05-07 | Bouldin Mark G. (EVP/SK) | Sale | 2,519 | 51.40 | 129,476 |
| 2018-03-22 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 2,600 | 50.77 | 132,002 |
| 2018-03-21 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 40,066 | 51.49 | 2,062,998 |
| 2018-03-06 | Preston John T | Sale | 5,000 | 50.93 | 254,650 |
| 2018-03-02 | Bouldin Mark G. (EVP/SK) | Sale | 703 | 47.62 | 33,476 |
| 2017-12-28 | Weber Brian P (EVP (CHESI)) | Sale | 1,870 | 53.00 | 99,110 |
| 2017-12-27 | Gerstenberg Eric W (Chief Operating Officer) | Sale | 7,150 | 52.77 | 377,305 |
| 2017-12-26 | Gerstenberg Eric W (Chief Operating Officer) | Sale | 5,143 | 53.04 | 272,784 |
| 2017-12-20 | Bouldin Mark G. (EVP/SK) | Sale | 325 | 52.62 | 17,101 |
| 2017-12-01 | Dugas Eric J. (SVP Finance and CAO) | Sale | 1,139 | 53.26 | 60,663 |
| 2017-11-09 | Vergo David J. (President, Safety-Kleen) | Sale | 1,097 | 54.00 | 59,238 |
| 2017-09-29 | Weber Brian P (EVP (CHESI)) | Sale | 490 | 56.18 | 27,528 |
| 2017-09-08 | Dugas Eric J. (SVP Finance and CAO) | Sale | 933 | 54.67 | 51,007 |
| 2017-08-24 | Gerstenberg Eric W (Chief Operating Officer) | Sale | 4,667 | 50.42 | 235,310 |
| 2017-06-29 | Weber Brian P (EVP (CHESI)) | Sale | 1,945 | 54.06 | 105,146 |
| 2017-06-02 | Twohig Michael J (EVP (CHESI)) | Sale | 4,071 | 59.25 | 241,206 |
| 2017-06-01 | Parry David M (Pres (Indus.and Field Serv)) | Sale | 4,402 | 58.96 | 259,541 |
| 2017-05-05 | Robertson Andrea | Sale | 1,034 | 60.62 | 62,681 |
| 2017-03-31 | Weber Brian P (EVP (CHESI)) | Sale | 1,021 | 50.03 | 51,080 |
| 2017-03-07 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 40,000 | 56.62 | 2,264,800 |
| 2017-03-06 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 65,531 | 56.83 | 3,724,126 |
| 2017-03-03 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 58,600 | 57.06 | 3,343,716 |
| 2017-03-02 | Bouldin Mark G. (EVP/SK) | Sale | 60 | 57.79 | 3,467 |
| 2017-03-02 | Battles Michael Louis (EVP and CFO) | Sale | 3,156 | 57.95 | 182,890 |
| 2017-03-02 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 35,869 | 57.47 | 2,061,391 |
| 2017-03-01 | Dugas Eric J. (VP, Corp. Contr and CAO) | Sale | 809 | 58.45 | 47,286 |
| 2017-02-24 | Robertson Andrea | Sale | 2,000 | 56.51 | 113,020 |
| 2017-02-24 | Robertson Andrea | Option Ex | 2,000 | 23.00 | 46,010 |
| 2016-12-28 | Marlin Rod | Sale | 3,394 | 56.21 | 190,776 |
| 2016-12-28 | Weber Brian P (EVP (CHESI)) | Sale | 712 | 56.30 | 40,085 |
| 2016-12-21 | Mckim Alan S (Chrmn.of Bd and CEO) | Sale | 20,000 | 57.82 | 1,156,400 |
| 2016-12-15 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 3,704 | 57.30 | 212,239 |
| 2016-12-15 | Twohig Michael J (EVP (CHESI)) | Sale | 2,154 | 56.59 | 121,894 |
| 2016-12-12 | Curtis George L (Exec. Vice President (CHESI)) | Sale | 6,016 | 56.00 | 336,896 |
| 2016-12-09 | Gerstenberg Eric W (Chief Operating Officer) | Sale | 7,500 | 55.42 | 415,620 |
| 2016-12-08 | Shields Thomas J | Sale | 12,000 | 54.47 | 653,640 |
| 2016-12-08 | Shields Thomas J | Option Ex | 12,000 | 33.09 | 397,080 |
| 2016-12-07 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 2,000 | 54.50 | 109,000 |
| 2016-12-05 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 2,084 | 54.10 | 112,744 |
| 2016-12-01 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 10,000 | 52.20 | 522,000 |
| 2016-11-04 | Battles Michael Louis (EVP and CFO) | Buy | 1,000 | 44.15 | 44,150 |
| 2016-09-28 | Weber Brian P (EVP (CHESI)) | Sale | 773 | 46.58 | 36,004 |
| 2016-08-31 | Parry David M (Pres (Indus.and Field Serv)) | Sale | 4,060 | 47.37 | 192,322 |
| 2016-08-05 | Rutledge James M (Vice Chmn, Pres.) | Sale | 16,000 | 50.74 | 811,872 |
| 2016-08-04 | Robertson Andrea | Sale | 3,608 | 50.82 | 183,372 |
| 2016-08-04 | Robertson Andrea | Option Ex | 2,000 | 23.00 | 46,010 |
| 2016-06-28 | Weber Brian P (EVP (CHESI)) | Sale | 920 | 50.22 | 46,202 |
| 2016-06-06 | Mccarthy Daniel James | Sale | 3,643 | 53.22 | 193,876 |
| 2016-06-06 | Mccarthy Daniel James | Option Ex | 8,000 | 23.00 | 184,040 |
| 2016-05-10 | Bouldin Mark G. (EVP/SK) | Sale | 367 | 47.50 | 17,432 |
| 2016-03-31 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 2,500 | 49.64 | 124,100 |
| 2016-03-29 | Twohig Michael J (EVP (CHESI)) | Sale | 2,000 | 48.50 | 97,000 |
| 2016-03-28 | Parry David M (Pres (Indus.and Field Serv)) | Sale | 7,075 | 47.96 | 339,317 |
| 2016-03-23 | Weber Brian P (EVP (CHESI)) | Sale | 899 | 47.54 | 42,741 |
| 2016-03-02 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 7,500 | 44.06 | 330,450 |
| 2015-12-03 | Lindgren Eric R. (EVP/CIO (CHESI)) | Sale | 1,013 | 42.68 | 43,234 |
| 2015-09-09 | Gerstenberg Eric W (Chief Operating Officer) | Sale | 16,493 | 49.19 | 811,290 |
| 2015-06-11 | Marlin Rod | Sale | 99,800 | 43.01 | 4,292,398 |
| 2015-06-11 | Banucci Eugene G | Option Ex | 12,000 | 33.09 | 397,080 |
| 2015-06-02 | Parry David M (Pres (Indus.and Field Serv)) | Sale | 5,044 | 55.72 | 281,046 |
| 2015-05-27 | Shields Thomas J | Sale | 5,000 | 56.93 | 284,665 |
| 2015-05-13 | Preston John T | Sale | 4,523 | 56.05 | 253,536 |
| 2015-03-30 | Weber Brian P (EVP (CHESI)) | Sale | 1,023 | 57.14 | 58,454 |
| 2015-03-06 | Battles Michael Louis (SVP & CAO) | Sale | 1,011 | 56.63 | 57,252 |
| 2015-03-02 | Lefebvre Marvin G (EVP (CHI sub)) | Sale | 10,000 | 56.55 | 565,500 |
| 2015-01-31 | Knapp Curt (EVP (Safety-Kleen)) | Sale | 12,312 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of CLH listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Clean Harbors Inc (symbol CLH, CIK number 822818) see the Securities and Exchange Commission (SEC) website.