CLEAN HARBORS INC — 8-K Filings
222 8-K filings on record
This page lists all 8-K filings submitted to the SEC by CLEAN HARBORS INC (CLH), sorted by most recent first. Each row links to the full filing on EdgarLookup. CLEAN HARBORS INC has filed 222 8-K documents with the SEC since 2017. To view all SEC filings by CLEAN HARBORS INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
15-15D
25
3
3/A
4
4/A
424B2
424B3
424B4
424B5
5
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRER14A
S-2
S-2/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0000822818-26-000004 | Feb 18, 2026 | — |
| 8-K | 8-K | 0000822818-25-000038 | Oct 29, 2025 | — |
| 8-K | 8-K | 0000822818-25-000036 | Oct 10, 2025 | Oct 9, 2025 |
| 8-K | 8-K | 0000822818-25-000034 | Sep 26, 2025 | Sep 25, 2025 |
| 8-K | 8-K | 0000822818-25-000028 | Jul 30, 2025 | — |
| 8-K | 8-K | 0000822818-25-000023 | May 21, 2025 | — |
| 8-K | 8-K | 0000822818-25-000017 | Apr 30, 2025 | — |
| 8-K | 8-K | 0000822818-25-000004 | Feb 19, 2025 | — |
| 8-K | 8-K | 0000822818-24-000043 | Oct 30, 2024 | — |
| 8-K | 8-K | 0000822818-24-000040 | Oct 11, 2024 | Oct 8, 2024 |
| 8-K | 8-K | 0000822818-24-000037 | Sep 3, 2024 | Aug 29, 2024 |
| 8-K | 8-K | 0000822818-24-000032 | Jul 31, 2024 | — |
| 8-K | 8-K | 0000822818-24-000028 | Jul 2, 2024 | Jun 28, 2024 |
| 8-K | 8-K | 0000822818-24-000023 | May 23, 2024 | May 22, 2024 |
| 8-K | 8-K | 0000822818-24-000019 | May 1, 2024 | — |
| 8-K | 8-K | 0000822818-24-000011 | Mar 25, 2024 | Mar 22, 2024 |
| 8-K | 8-K | 0000822818-24-000005 | Feb 21, 2024 | — |
| 8-K | 8-K | 0000822818-24-000002 | Feb 6, 2024 | Feb 2, 2024 |
| 8-K | 8-K | 0000822818-23-000053 | Dec 28, 2023 | Dec 27, 2023 |
| 8-K | 8-K | 0000822818-23-000050 | Dec 7, 2023 | — |
| 8-K | 8-K | 0000822818-23-000045 | Nov 1, 2023 | — |
| 8-K | 8-K | 0000822818-23-000038 | Aug 2, 2023 | — |
| 8-K | 8-K | 0000822818-23-000035 | May 24, 2023 | — |
| 8-K | 8-K | 0000822818-23-000031 | May 3, 2023 | — |
| 8-K | 8-K | 0000822818-23-000021 | Mar 29, 2023 | — |
| 8-K | 8-K | 0000822818-23-000018 | Mar 16, 2023 | — |
| 8-K | 8-K | 0000822818-23-000011 | Mar 1, 2023 | — |
| 8-K | 8-K | 0000822818-23-000009 | Mar 1, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-006406 | Jan 25, 2023 | Jan 24, 2023 |
| 8-K | 8-K | 0000822818-23-000004 | Jan 18, 2023 | Jan 17, 2023 |
| 8-K | 8-K | 0000822818-23-000002 | Jan 17, 2023 | — |
| 8-K | 8-K | 0000822818-22-000045 | Nov 2, 2022 | Nov 1, 2022 |
| 8-K | 8-K | 0000822818-22-000043 | Nov 2, 2022 | — |
| 8-K | 8-K | 0000822818-22-000037 | Sep 6, 2022 | Aug 31, 2022 |
| 8-K | 8-K | 0000822818-22-000032 | Aug 3, 2022 | — |
| 8-K | 8-K | 0000822818-22-000029 | May 25, 2022 | — |
| 8-K | 8-K | 0000822818-22-000023 | May 4, 2022 | — |
| 8-K | 8-K | 0000822818-22-000012 | Mar 16, 2022 | — |
| 8-K | 8-K | 0000822818-22-000004 | Feb 23, 2022 | — |
| 8-K | 8-K | 0000822818-21-000051 | Nov 3, 2021 | — |
| 8-K | 8-K | 0000822818-21-000047 | Oct 12, 2021 | Oct 8, 2021 |
| 8-K | 8-K | 0000822818-21-000045 | Sep 10, 2021 | Sep 8, 2021 |
| 8-K | 8-K | 0000822818-21-000037 | Aug 4, 2021 | — |
| 8-K | 8-K | 0000822818-21-000039 | Aug 4, 2021 | Aug 3, 2021 |
| 8-K | 8-K | 0000822818-21-000024 | Jun 3, 2021 | Jun 2, 2021 |
| 8-K | 8-K | 0000822818-21-000017 | May 5, 2021 | — |
| 8-K | 8-K | 0000822818-21-000019 | May 5, 2021 | — |
| 8-K | 8-K | 0000822818-21-000005 | Apr 6, 2021 | Apr 1, 2021 |
| 8-K | FORM 8-K | 0001104659-21-027175 | Feb 24, 2021 | — |
| 8-K | FORM 8-K | 0001104659-20-121184 | Nov 4, 2020 | — |