512 filings
Page 4 of 26
8-K
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24 Feb 21
Clean Harbors Announces Fourth-Quarter and Full-Year 2020 Financial Results
8:38am
8-K
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4 Nov 20
Clean Harbors Announces Third-Quarter 2020 Financial Results
8:01am
8-K
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30 Oct 20
Entry into a Material Definitive Agreement
3:58pm
8-K
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5 Aug 20
Clean Harbors Announces Second-Quarter 2020 Financial Results
7:41am
S-8
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3 Jun 20
Registration of securities for employees
2:21pm
8-K
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3 Jun 20
Departure of Directors or Certain Officers
12:59pm
8-K
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29 Apr 20
Clean Harbors Announces First-Quarter 2020 Financial Results
8:47am
DEFA14A
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24 Apr 20
Additional proxy soliciting materials
5:22pm
8-K
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26 Feb 20
Results of Operations and Financial Condition
8:44am
8-K
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17 Dec 19
Clean Harbors Appoints Robert Willett to Board of Directors
2:34pm
8-K
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30 Oct 19
Clean Harbors Announces Third-Quarter 2019 Financial Results
9:20am
8-K
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31 Jul 19
Clean Harbors Announces Second-Quarter 2019 Financial Results
8:35am