Clean Harbors CLH SEC Filings

NYSE CLH
$319.15 +2.87 (+0.91%)
At close: Oct 21, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Clean Harbors Inc (CLH) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0000822818-26-000042Oct 5, 2026 5:06 PM
28-KCurrent Report0000822818-26-000040Sep 18, 2026 3:57 PM
34Insider Transaction0001211558-26-000020Aug 18, 2026 6:47 PM
48-KCurrent Report0000822818-26-000037Aug 12, 2026 12:26 PM
54Insider Transaction0001379357-26-000008Aug 12, 2026 11:57 AM
64Insider Transaction0001216581-26-000006Aug 11, 2026 5:51 PM
7SCHEDULE 13GBeneficial Ownership Report0000315066-26-001961Aug 6, 2026 2:17 PM
8144Insider Transaction0001950047-26-007480Aug 3, 2026 8:02 PM
94Insider Transaction0001295248-26-000005Aug 3, 2026 4:04 PM
1010-QQuarterly & Annual Report0000822818-26-000034Jul 29, 2026 10:56 AM
118-KCurrent Report0000822818-26-000031Jul 29, 2026 8:07 AM
124Insider Transaction0001024547-26-000012Jul 20, 2026 3:58 PM
134Insider Transaction0001756568-26-000010Jul 6, 2026 7:13 PM
144Insider Transaction0001322710-26-000006Jul 6, 2026 7:12 PM
154Insider Transaction0001990612-26-000006Jul 6, 2026 7:11 PM
164Insider Transaction0001024547-26-000010Jul 6, 2026 7:10 PM
174Insider Transaction0001211558-26-000010Jul 6, 2026 7:08 PM
184Insider Transaction0002079092-26-000006Jul 6, 2026 7:08 PM
194Insider Transaction0001663307-26-000008Jul 6, 2026 7:07 PM
204Insider Transaction0002025402-26-000004Jun 3, 2026 3:35 PM
214Insider Transaction0001670022-26-000005May 27, 2026 11:59 AM
228-KCurrent Report0000822818-26-000028May 20, 2026 8:41 PM
238-KCurrent Report0000822818-26-000027May 20, 2026 8:34 PM
24SCHEDULE 13GBeneficial Ownership Report0000919574-26-003322May 15, 2026 4:58 PM
25SCHEDULE 13GBeneficial Ownership Report0000902219-26-000164May 15, 2026 11:24 AM
264Insider Transaction0001965457-26-000004May 14, 2026 2:12 PM
278-KCurrent Report0000822818-26-000024May 14, 2026 10:55 AM-
284Insider Transaction0001965457-26-000002May 13, 2026 12:48 PM
294Insider Transaction0001295248-26-000002May 12, 2026 12:17 PM
3010-QQuarterly & Annual Report0000822818-26-000020May 6, 2026 2:55 PM
318-KCurrent Report0000822818-26-000017May 6, 2026 12:12 PM
32ARSOthers0001104659-26-041920Apr 10, 2026 7:10 PM
33DEFA14AOthers0000822818-26-000015Apr 10, 2026 6:55 PM
34DEF 14AOthers0000822818-26-000013Apr 10, 2026 6:52 PM
35SCHEDULE 13GBeneficial Ownership Report0000102909-26-001000Mar 26, 2026 9:17 PM
364Insider Transaction0001211558-26-000008Mar 19, 2026 7:19 PM
374Insider Transaction0001211558-26-000008Mar 19, 2026 7:19 PM
384Insider Transaction0001211558-26-000008Mar 19, 2026 7:19 PM
394Insider Transaction0001883932-26-000002Mar 19, 2026 7:18 PM
40144Insider Transaction0001974078-26-000122Mar 18, 2026 9:49 PM
41144Insider Transaction0001974078-26-000122Mar 18, 2026 9:49 PM
42144Insider Transaction0001974078-26-000122Mar 18, 2026 9:49 PM
43144Insider Transaction0001950047-26-002775Mar 18, 2026 8:25 PM
44144Insider Transaction0001950047-26-002753Mar 17, 2026 9:47 PM
45144Insider Transaction0001950047-26-002753Mar 17, 2026 9:47 PM
46144Insider Transaction0001950047-26-002753Mar 17, 2026 9:47 PM
474Insider Transaction0001322710-26-000004Mar 17, 2026 7:53 PM
484Insider Transaction0001322710-26-000004Mar 17, 2026 7:53 PM
494Insider Transaction0001322710-26-000004Mar 17, 2026 7:53 PM
504Insider Transaction0001990612-26-000004Mar 17, 2026 7:53 PM
...

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