CLEAN HARBORS INC — PRE 14A Filings
5 PRE 14A filings on record
This page lists all PRE 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 5 PRE 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 |
|---|---|---|---|---|
| PRE 14A | PRE 14A | 0000822818-21-000007 | Apr 13, 2021 | Jun 2, 2021 |
| PRE 14A | PRE 14A | 0001047469-11-002166 | Mar 15, 2011 | May 9, 2011 |
| PRE 14A | PRE 14A | 0001047469-10-002305 | Mar 16, 2010 | May 10, 2010 |
| PRE 14A | PRE 14A | 0001047469-05-009285 | Apr 5, 2005 | May 12, 2005 |
| PRE 14A | PRELIMINARY NOTICE AND PROXY STATEMENT | 0000927016-02-005237 | Nov 4, 2002 | Dec 12, 2002 |