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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.

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
8-K 8-K 0000822818-20-000024 Oct 30, 2020 Oct 28, 2020
8-K FORM 8-K 0001104659-20-090563 Aug 5, 2020
8-K 8-K 0000822818-20-000016 Jun 3, 2020
8-K FORM 8-K 0001104659-20-052881 Apr 29, 2020
8-K FORM 8-K 0001104659-20-025070 Feb 26, 2020
8-K 8-K 0000822818-19-000042 Dec 17, 2019 Dec 12, 2019
8-K FORM 8-K 0001104659-19-057534 Oct 30, 2019
8-K 8-K 0001104659-19-042804 Jul 31, 2019
8-K 8-K 0000822818-19-000030 Jul 3, 2019 Jul 2, 2019
8-K 8-K 0000822818-19-000027 Jul 2, 2019
8-K 8-K 0000822818-19-000025 Jun 19, 2019 Jun 18, 2019
8-K 8-K 0000822818-19-000023 Jun 18, 2019
8-K 8-K 0000822818-19-000020 Jun 6, 2019 Jun 5, 2019
8-K 8-K 0000822818-19-000017 May 9, 2019 May 3, 2019
8-K 8-K 0001104659-19-025718 May 1, 2019
8-K 8-K 0001104659-19-010943 Feb 27, 2019
8-K 8-K 0001104659-18-064897 Oct 31, 2018
8-K 8-K 0001104659-18-048587 Aug 1, 2018
8-K 8-K 0000822818-18-000039 Jul 20, 2018 Jul 19, 2018
8-K 8-K 0000822818-18-000036 Jul 3, 2018
8-K 8-K 0000822818-18-000034 Jun 19, 2018
8-K 8-K 0000822818-18-000031 Jun 6, 2018
8-K 8-K 0000822818-18-000023 May 2, 2018
8-K 8-K 0001104659-18-029563 May 2, 2018
8-K 8K 0000822818-18-000013 Apr 17, 2018
8-K 8-K 0001104659-18-013113 Feb 28, 2018 Feb 23, 2018
8-K 8-K 0000822818-18-000003 Jan 23, 2018 Jan 17, 2018
8-K 8-K 0001104659-17-065090 Nov 1, 2017 Oct 31, 2017
8-K 8-K 0001104659-17-048647 Aug 2, 2017
8-K 8-K 0000822818-17-000024 Jun 30, 2017
8-K 8-K 0000822818-17-000022 Jun 28, 2017
8-K 8-K 0000822818-17-000019 Jun 14, 2017
8-K 8-K 0000822818-17-000016 Jun 9, 2017 Jun 7, 2017
8-K 8-K 0001104659-17-029190 May 3, 2017
8-K 8-K 0001104659-17-010720 Feb 22, 2017
8-K 8-K 0000822818-17-000004 Feb 22, 2017
8-K 8-K 0001104659-16-153949 Nov 2, 2016
8-K 8-K 0000822818-16-000061 Nov 2, 2016 Nov 1, 2016
8-K 8-K 0000822818-16-000057 Sep 30, 2016 Sep 27, 2016
8-K 8-K 0001104659-16-136368 Aug 3, 2016
8-K 8-K 0000822818-16-000051 Jun 13, 2016 Jun 8, 2016
8-K 8-K 0001104659-16-117418 May 4, 2016
8-K 8-K 0000822818-16-000038 Mar 17, 2016 Mar 14, 2016
8-K 8-K 0000822818-16-000036 Mar 11, 2016 Mar 10, 2016
8-K 8-K 0001104659-16-099430 Feb 24, 2016
8-K 8-K 0000822818-16-000030 Jan 11, 2016 Jan 5, 2016
8-K 8-K 0001104659-15-075542 Nov 4, 2015
8-K 8-K 0001104659-15-056180 Aug 5, 2015
8-K 8-K 0000822818-15-000019 Jul 10, 2015 Apr 11, 2015
8-K 8-K 0000822818-15-000015 Jun 16, 2015 Jun 10, 2015