CLEAN HARBORS INC — DEF 14A Filings
32 DEF 14A filings on record
This page lists all DEF 14A 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 32 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0000822818-25-000011 | Apr 11, 2025 | May 21, 2025 |
| DEF 14A | DEF 14A | 0000822818-24-000015 | Apr 10, 2024 | May 22, 2024 |
| DEF 14A | DEF 14A | 0000822818-23-000025 | Apr 13, 2023 | — |
| DEF 14A | DEF 14A | 0000822818-22-000018 | Apr 14, 2022 | May 25, 2022 |
| DEF 14A | DEF 14A | 0000822818-21-000009 | Apr 23, 2021 | Dec 31, 2020 |
| DEF 14A | DEF 14A | 0000822818-20-000004 | Apr 24, 2020 | Dec 31, 2019 |
| DEF 14A | DEF 14A | 0000822818-19-000008 | Apr 24, 2019 | Dec 31, 2018 |
| DEF 14A | DEF 14A | 0000822818-18-000018 | Apr 25, 2018 | Dec 31, 2017 |
| DEF 14A | DEF 14A | 0000822818-17-000011 | Apr 26, 2017 | Dec 31, 2016 |
| DEF 14A | DEF 14A | 0000822818-16-000044 | Apr 27, 2016 | Dec 31, 2015 |
| DEF 14A | DEF 14A | 0000822818-15-000009 | Apr 29, 2015 | Dec 31, 2014 |
| DEF 14A | DEF 14A | 0000822818-14-000010 | Apr 29, 2014 | Jun 18, 2014 |
| DEF 14A | DEF 14A | 0001445305-13-000693 | Mar 22, 2013 | — |
| DEF 14A | DEF 14A | 0001445305-12-000771 | Mar 23, 2012 | — |
| DEF 14A | DEF 14A | 0001047469-11-003165 | Apr 4, 2011 | May 9, 2011 |
| DEF 14A | DEF 14A | 0001047469-10-003311 | Apr 5, 2010 | May 10, 2010 |
| DEF 14A | DEF 14A | 0001047469-09-003877 | Apr 7, 2009 | May 11, 2009 |
| DEF 14A | DEF 14A | 0001047469-08-004351 | Apr 9, 2008 | May 15, 2008 |
| DEF 14A | DEF 14A | 0001104659-07-028451 | Apr 16, 2007 | May 22, 2007 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-06-025278 | Apr 14, 2006 | May 19, 2006 |
| DEF 14A | DEF 14A | 0001047469-05-010384 | Apr 15, 2005 | May 12, 2005 |
| DEF 14A | DEF 14A | 0001047469-04-011991 | Apr 14, 2004 | May 13, 2004 |
| DEF 14A | NOTICE AND PROXY STATEMENT | 0000927016-03-001871 | Apr 16, 2003 | May 15, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000927016-02-001523 | Mar 20, 2002 | Apr 24, 2002 |
| DEF 14A | NOTICE & PROXY STATEMENT | 0000927016-01-500499 | Apr 30, 2001 | Jun 15, 2001 |
| DEF 14A | SCHEDULE 14A | 0000912057-00-020370 | Apr 28, 2000 | May 1, 2000 |
| DEF 14A | SCHEDULE 14A | 0001047469-99-017278 | Apr 30, 1999 | Jun 18, 1999 |
| DEF 14A | 14A | 0001047469-98-017070 | Apr 30, 1998 | Jun 17, 1998 |
| DEF 14A | CLEAN HARBORS, INC. PROXY STATEMENT | 0000950135-97-002073 | Apr 30, 1997 | Jun 26, 1997 |
| DEF 14A | NOTICE & PROXY STATEMENT | 0000950109-96-002492 | Apr 30, 1996 | Jun 17, 1996 |
| DEF 14A | — | 0000950109-95-001139 | Apr 4, 1995 | May 12, 1995 |
| DEF 14A | NOTICE & PROXY | 0000950109-94-000655 | Apr 8, 1994 | May 19, 1994 |