CLEAN HARBORS INC — DEF 14A

CLEAN HARBORS INC of NORWELL, MA filed a DEF 14A with the SEC on 2022-04-14. Industry: Hazardous Waste Management.

Filing

Documents (12)

SeqTypeDescription
1DEF 14ADEF 14A
2GRAPHICboardattributesa.jpg
3GRAPHICboardmatrixnewa.jpg
4GRAPHICceocompmixa.jpg
5GRAPHICclhlogoa01a.jpg
6GRAPHICclhsignature2019a01a.jpg
7GRAPHICdtjsignature2a.jpg
8GRAPHICmatrix2a.jpg
9GRAPHICproxycard-1a.jpg
10GRAPHICproxycard-2a.jpg
11GRAPHICtm2210594d1-pc_neocompa.jpg
12GRAPHICwhatwedo_dontdov2.jpg

Filing timeline for this registrant (55)

Showing 12 of 55 filings.

FiledForm
2026-04-10DEFA14A
2026-04-10DEF 14A
2025-04-11DEFA14A
2025-04-11DEF 14A
2024-04-10DEFA14A
2024-04-10DEF 14A
2023-04-13DEFA14A
2023-04-13DEF 14A
2022-04-14DEFA14A
2022-04-14DEF 14A
2021-04-28DEFA14A
2021-04-23DEF 14A

More