CLEAN HARBORS INC (CLH)

10-K FY20192019-12-31 2020-02-26 0000822818-20-000002 10-K FY20182018-12-31 2019-02-27 0000822818-19-000003

10-Q Q2 20242024-06-30 2024-07-31 0000822818-24-000035 10-Q Q1 20242024-03-31 2024-05-01 0000822818-24-000021 10-Q Q3 20232023-09-30 2023-11-01 0000822818-23-000047 10-Q Q2 20232023-06-30 2023-08-02 0000822818-23-000040 10-Q Q1 20232023-03-31 2023-05-03 0000822818-23-000033 10-Q Q3 20222022-09-30 2022-11-02 0000822818-22-000047 10-Q Q2 20222022-06-30 2022-08-03 0000822818-22-000033 10-Q Q1 20222022-03-31 2022-05-04 0000822818-22-000026 10-Q Q3 20212021-09-30 2021-11-03 0000822818-21-000053 10-Q Q2 20212021-06-30 2021-08-04 0000822818-21-000042 10-Q Q1 20212021-03-31 2021-05-05 0000822818-21-000021 10-Q Q3 20202020-09-30 2020-11-04 0000822818-20-000027 10-Q Q2 20202020-06-30 2020-08-05 0000822818-20-000020 10-Q Q1 20202020-03-31 2020-04-29 0000822818-20-000009 10-Q Q3 20192019-09-30 2019-10-30 0000822818-19-000038 10-Q Q2 20192019-06-30 2019-07-31 0000822818-19-000035 10-Q Q1 20192019-03-31 2019-05-01 0000822818-19-000014 10-Q Q3 20182018-09-30 2018-10-31 0000822818-18-000045 10-Q Q2 20182018-06-30 2018-08-01 0000822818-18-000042 10-Q Q1 20182018-03-31 2018-05-02 0000822818-18-000025

8-K Earnings Release2026-02-18 2026-02-18 0000822818-26-000004 8-K Earnings Release2025-10-29 2025-10-29 0000822818-25-000038 8-K Material Agreement · Off-Balance Sheet Obligation2025-10-09 2025-10-10 0000822818-25-000036 8-K Other Event2025-09-25 2025-09-26 0000822818-25-000034 8-K Earnings Release2025-07-30 2025-07-30 0000822818-25-000028 8-K Shareholder Vote Results2025-05-21 2025-05-21 0000822818-25-000023 8-K Earnings Release2025-04-30 2025-04-30 0000822818-25-000017 8-K Earnings Release2025-02-19 2025-02-19 0000822818-25-000004 8-K Earnings Release2024-10-30 2024-10-30 0000822818-24-000043 8-K Material Agreement · Off-Balance Sheet Obligation2024-10-08 2024-10-11 0000822818-24-000040 8-K Officer/Director Change · Reg FD Disclosure2024-08-29 2024-09-03 0000822818-24-000037 8-K Earnings Release2024-07-31 2024-07-31 0000822818-24-000032 8-K Material Agreement · Off-Balance Sheet Obligation2024-06-28 2024-07-02 0000822818-24-000028 8-K Officer/Director Change · Shareholder Vote Results2024-05-22 2024-05-23 0000822818-24-000023 8-K Earnings Release2024-05-01 2024-05-01 0000822818-24-000019 8-K Material Agreement · Off-Balance Sheet Obligation2024-03-22 2024-03-25 0000822818-24-000011 8-K Earnings Release2024-02-21 2024-02-21 0000822818-24-000005 8-K Other Event2024-02-02 2024-02-06 0000822818-24-000002 8-K Material Agreement · Off-Balance Sheet Obligation2023-12-27 2023-12-28 0000822818-23-000053 8-K Other Event2023-12-07 2023-12-07 0000822818-23-000050 8-K Earnings Release2023-11-01 2023-11-01 0000822818-23-000045 8-K Earnings Release2023-08-02 2023-08-02 0000822818-23-000038 8-K Shareholder Vote Results2023-05-24 2023-05-24 0000822818-23-000035 8-K Earnings Release2023-05-03 2023-05-03 0000822818-23-000031 8-K Reg FD Disclosure2023-03-29 2023-03-29 0000822818-23-000021 8-K Officer/Director Change2023-03-16 2023-03-16 0000822818-23-000018 8-K Officer/Director Change2023-03-01 2023-03-01 0000822818-23-000011 8-K Earnings Release2023-03-01 2023-03-01 0000822818-23-000009 8-K Material Agreement · Off-Balance Sheet Obligation2023-01-24 2023-01-25 0001104659-23-006406 8-K Material Agreement · Other Event2023-01-17 2023-01-18 0000822818-23-000004 8-K Reg FD Disclosure2023-01-17 2023-01-17 0000822818-23-000002 8-K Officer/Director Change2022-11-01 2022-11-02 0000822818-22-000045 8-K Earnings Release2022-11-02 2022-11-02 0000822818-22-000043 8-K Officer/Director Change2022-08-31 2022-09-06 0000822818-22-000037 8-K Earnings Release2022-08-03 2022-08-03 0000822818-22-000032 8-K Shareholder Vote Results2022-05-25 2022-05-25 0000822818-22-000029 8-K Earnings Release2022-05-04 2022-05-04 0000822818-22-000023 8-K Bylaws/Charter Amended2022-03-16 2022-03-16 0000822818-22-000012 8-K Earnings Release2022-02-23 2022-02-23 0000822818-22-000004 8-K Earnings Release2021-11-03 2021-11-03 0000822818-21-000051 8-K Material Agreement · Acquisition Completed2021-10-08 2021-10-12 0000822818-21-000047 8-K Officer/Director Change2021-09-08 2021-09-10 0000822818-21-000045 8-K Material Agreement · Reg FD Disclosure2021-08-03 2021-08-04 0000822818-21-000039 8-K Earnings Release2021-08-04 2021-08-04 0000822818-21-000037 8-K Officer/Director Change · Shareholder Vote Results2021-06-02 2021-06-03 0000822818-21-000024 8-K Reg FD Disclosure2021-05-05 2021-05-05 0000822818-21-000019 8-K Item 9.012021-05-05 2021-05-05 0000822818-21-000017 8-K Bylaws/Charter Amended2021-04-01 2021-04-06 0000822818-21-000005 8-K Earnings Release2021-02-24 2021-02-24 0001104659-21-027175 8-K Earnings Release2020-11-04 2020-11-04 0001104659-20-121184 8-K Material Agreement2020-10-28 2020-10-30 0000822818-20-000024 8-K Earnings Release2020-08-05 2020-08-05 0001104659-20-090563 8-K Officer/Director Change · Shareholder Vote Results2020-06-03 2020-06-03 0000822818-20-000016 8-K Earnings Release2020-04-29 2020-04-29 0001104659-20-052881 8-K Earnings Release2020-02-26 2020-02-26 0001104659-20-025070 8-K Officer/Director Change2019-12-12 2019-12-17 0000822818-19-000042 8-K Earnings Release2019-10-30 2019-10-30 0001104659-19-057534 8-K Earnings Release2019-07-31 2019-07-31 0001104659-19-042804 8-K Material Agreement · Off-Balance Sheet Obligation2019-07-02 2019-07-03 0000822818-19-000030 8-K Other Event2019-07-02 2019-07-02 0000822818-19-000027 8-K Material Agreement · Other Event2019-06-18 2019-06-19 0000822818-19-000025 8-K Reg FD Disclosure2019-06-18 2019-06-18 0000822818-19-000023 8-K Officer/Director Change · Shareholder Vote Results2019-06-05 2019-06-06 0000822818-19-000020 8-K Officer/Director Change2019-05-03 2019-05-09 0000822818-19-000017 8-K Earnings Release2019-05-01 2019-05-01 0001104659-19-025718 8-K Earnings Release2019-02-27 2019-02-27 0001104659-19-010943 8-K Earnings Release2018-10-31 2018-10-31 0001104659-18-064897 8-K Earnings Release2018-08-01 2018-08-01 0001104659-18-048587 8-K Material Agreement · Agreement Terminated2018-07-19 2018-07-20 0000822818-18-000039 8-K Other Event2018-07-03 2018-07-03 0000822818-18-000036 8-K Other Event2018-06-19 2018-06-19 0000822818-18-000034 8-K Shareholder Vote Results2018-06-06 2018-06-06 0000822818-18-000031 8-K/A Item 9.012018-05-04 2018-05-04 0000822818-18-000029 8-K Reg FD Disclosure2018-05-02 2018-05-02 0000822818-18-000023 8-K Earnings Release2018-05-02 2018-05-02 0001104659-18-029563 8-K Material Agreement · Off-Balance Sheet Obligation2018-04-17 2018-04-17 0000822818-18-000013

DEFA14A ✨ Summarize 2023-04-13 0000822818-23-000026 DEF 14A ✨ Summarize 2023-04-13 0000822818-23-000025 DEFA14A ✨ Summarize 2022-04-14 0000822818-22-000019 DEF 14A Proxy 20222022-05-25 2022-04-14 0000822818-22-000018 DEFA14A ✨ Summarize 2021-04-28 0000822818-21-000011 DEF 14A Proxy 20202020-12-31 2021-04-23 0000822818-21-000009 PRE 14A Proxy 20212021-06-02 2021-04-13 0000822818-21-000007 DEFA14A ✨ Summarize 2020-04-24 0000822818-20-000006 DEF 14A Proxy 20192019-12-31 2020-04-24 0000822818-20-000004 DEFA14A ✨ Summarize 2019-04-24 0000822818-19-000009 DEF 14A Proxy 20182018-12-31 2019-04-24 0000822818-19-000008 DEFA14A ✨ Summarize 2018-04-25 0000822818-18-000019 DEF 14A Proxy 20172017-12-31 2018-04-25 0000822818-18-000018

Call Q4 2024 2025-02-19 2024-Q4 Call Q3 2024 2024-10-30 2024-Q3 Call Q2 2024 2024-07-31 2024-Q2 Call Q1 2024 2024-05-01 2024-Q1 Call Q4 2023 2024-02-21 2023-Q4 Call Q3 2023 2023-11-01 2023-Q3