CLH - Company ID 0000822818
CLEAN HARBORS INC has filed 2,636 public company documents between 1994 and 2026. The most frequent type is insider trade (1,741 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 4 | Insider trade | 23y ago2003-01-10 | 2002-12-30 | View filing |
| 4 | Insider trade | 23y ago2002-12-31 | 2002-12-30 | View filing |
| 4 | Insider trade | 23y ago2002-12-30 | 2002-12-26 | View filing |
| SC 13G | Passive ownership stake | 23y ago2002-11-27 | - | View filing |
| 8-K/A | Major company event (amended) | 23y ago2002-11-22 | 2002-09-10 | View filing |
| 10-Q | Quarterly report | 23y ago2002-11-19 | 2002-09-30 | View filing |
| NT 10-Q | NT 10-Q | 23y ago2002-11-15 | 2002-09-30 | View filing |
| PRE 14A | PRE 14A | 23y ago2002-11-04 | 2002-12-12 | View filing |
| 8-K | Major company event | 23y ago2002-09-25 | 2002-09-10 | View filing |
| SC 13D/A | Activist ownership stake (update) | 23y ago2002-09-20 | - | View filing |
| SC 13D | Activist ownership stake | 23y ago2002-09-17 | - | View filing |
| 3 | New insider ownership | 23y ago2002-09-17 | 2002-09-10 | View filing |
| 10-Q | Quarterly report | 23y ago2002-08-14 | 2002-06-30 | View filing |
| 10-Q | Quarterly report | 24y ago2002-05-15 | 2002-03-31 | View filing |
| SC 13G | Passive ownership stake | 24y ago2002-05-01 | - | View filing |
| DEF 14A | Proxy statement | 24y ago2002-03-20 | 2002-04-24 | View filing |
| 10-K405 | 10-K405 | 24y ago2002-03-19 | 2001-12-31 | View filing |
| 8-K | Major company event | 24y ago2002-02-28 | 2002-02-22 | View filing |
| SC 13G/A | Passive ownership stake (update) | 24y ago2002-02-12 | - | View filing |
| 10-Q | Quarterly report | 24y ago2001-11-14 | 2001-09-30 | View filing |
| 10-Q | Quarterly report | 24y ago2001-08-13 | 2001-06-30 | View filing |
| S-8 | Employee stock plan | 25y ago2001-06-22 | - | View filing |
| 10-Q | Quarterly report | 25y ago2001-05-15 | 2001-03-31 | View filing |
| DEF 14A | Proxy statement | 25y ago2001-04-30 | 2001-06-15 | View filing |
| 10-K405 | 10-K405 | 25y ago2001-04-13 | 2000-12-31 | View filing |
| NT 10-K | NT 10-K | 25y ago2001-04-02 | 2000-12-31 | View filing |
| SC 13G | Passive ownership stake | 25y ago2001-02-02 | - | View filing |
| 10-Q | Quarterly report | 25y ago2000-11-14 | 2000-09-30 | View filing |
| SC 13D/A | Activist ownership stake (update) | 25y ago2000-08-21 | - | View filing |
| 10-Q | Quarterly report | 25y ago2000-08-14 | 2000-06-30 | View filing |
| SC 13D | Activist ownership stake | 26y ago2000-06-26 | - | View filing |
| 10-Q | Quarterly report | 26y ago2000-05-12 | 2000-03-31 | View filing |
| DEF 14A | Proxy statement | 26y ago2000-04-28 | 2000-05-01 | View filing |
| 10-K | Annual report | 26y ago2000-03-29 | 1999-12-31 | View filing |
| SC 13G | Passive ownership stake | 26y ago2000-02-03 | - | View filing |
| 10-Q | Quarterly report | 26y ago1999-11-15 | 1999-09-30 | View filing |
| 10-Q | Quarterly report | 26y ago1999-08-16 | 1999-06-30 | View filing |
| 10-Q | Quarterly report | 27y ago1999-05-14 | 1999-03-31 | View filing |
| DEFA14A | Proxy materials | 27y ago1999-05-03 | - | View filing |
| DEF 14A | Proxy statement | 27y ago1999-04-30 | 1999-06-18 | View filing |
| 10-K | Annual report | 27y ago1999-03-31 | 1998-12-31 | View filing |
| SC 13G/A | Passive ownership stake (update) | 27y ago1999-02-16 | - | View filing |
| SC 13G | Passive ownership stake | 27y ago1999-02-11 | - | View filing |
| 10-Q | Quarterly report | 27y ago1998-11-13 | 1998-09-30 | View filing |
| 10-Q | Quarterly report | 27y ago1998-08-14 | 1998-06-30 | View filing |
| 10-Q | Quarterly report | 28y ago1998-05-15 | 1998-03-31 | View filing |
| DEF 14A | Proxy statement | 28y ago1998-04-30 | 1998-06-17 | View filing |
| 10-K | Annual report | 28y ago1998-03-30 | 1997-12-31 | View filing |
| SC 13D | Activist ownership stake | 28y ago1998-02-27 | - | View filing |
| S-8 | Employee stock plan | 28y ago1998-02-12 | - | View filing |