Company: CLH
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0000822818-25-000011
Chunk: 62

Company: CLEAN HARBORS INC
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 62
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 — |     |             | 2,931,679 |     |                | 3,736,275 |     |                        | 116.35 |     |                  | 150.50 |     |                             | 203,247 |     |   676,606 |
|      |     | 2020 |     |              | 3,828,532 |     |   |     |        | 3,661,166 |     |                   |         — |     |        |         — |     |                       |         — |     |        |          — |     |             | 2,343,696 |     |                | 2,262,282 |     |                        |  88.75 |     |                  | 117.07 |     |                             | 134,837 |     |   573,804 |

(1) During the period from January 1, 2023 through March 31, 2023 and for all of 2022, 2021, and 2020, the Company had one PEO, namely Alan S. McKim. Effective March 31, 2023, Michael L. Battles (who had previously served as the Company's Chief Financial Officer) and Eric. W. Gerstenberg (who had previously served as the Company's Chief Operating Officer) were appointed as the Company's Co-Chief Executive Officers, and served concurrently in that capacity for the remainder of 2023 and for all of 2024.

(2) The dollar amounts reported in this column are the amounts of total compensation reported for Mr. McKim, Mr. Battles or Mr. Gerstenberg in the “Total” column of the Summary Compensation Table for years in which they held the role of PEO.

(3) For 2024, the Non-PEO NEOs whose average compensation is reported in this column included Eric J. Dugas, Jeroen Diderich, Mr. McKim, and Sharon M. Gabriel. For 2023, the Non-PEO NEOs whose average compensation is reported in this column include Mr. Dugas, Ms. Gabriel, Brian P. Weber, and Robert E. Speights. For each of 2022 and 2021 the Non-PEO NEOs whose average compensation is reported in this column include Mr. Battles, Mr. Gerstenberg, Mr. Weber, and Mr. Speights. For 2020, the Non-