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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.

Overview All Filings Financials Insiders
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