CLEAN HARBORS INC — DEFA14A Filings
15 DEFA14A filings on record
This page lists all DEFA14A 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 15 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0000822818-25-000013 | Apr 11, 2025 | — |
| DEFA14A | DEFA14A | 0000822818-24-000016 | Apr 10, 2024 | — |
| DEFA14A | DEFA14A | 0000822818-23-000026 | Apr 13, 2023 | — |
| DEFA14A | DEFA14A | 0000822818-22-000019 | Apr 14, 2022 | — |
| DEFA14A | DEFA14A | 0000822818-21-000011 | Apr 28, 2021 | — |
| DEFA14A | DEFA14A | 0000822818-20-000006 | Apr 24, 2020 | — |
| DEFA14A | DEFA14A | 0000822818-19-000009 | Apr 24, 2019 | — |
| DEFA14A | DEFA14A | 0000822818-18-000019 | Apr 25, 2018 | — |
| DEFA14A | DEFA14A | 0000822818-17-000012 | Apr 26, 2017 | — |
| DEFA14A | DEFA14A | 0000822818-16-000045 | Apr 27, 2016 | — |
| DEFA14A | DEFA14A | 0000822818-15-000010 | Apr 29, 2015 | — |
| DEFA14A | DEFA14A | 0000822818-14-000011 | Apr 29, 2014 | — |
| DEFA14A | DEFA14A | 0001445305-13-000696 | Mar 22, 2013 | — |
| DEFA14A | DEFA14A | 0001445305-12-000773 | Mar 23, 2012 | — |
| DEFA14A | SCHED 14A COVER, PROXY CARD | 0001047469-99-017729 | May 3, 1999 | — |