Casella Waste Systems CWST SEC Filings

NASDAQ CWST
$96.89 +6.67 (+7.39%)
At close: Oct 22, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Casella Waste Systems Inc (CWST) 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 Report0000911177-26-000052Oct 1, 2026 8:21 AM
2144Insider Transaction0001958244-26-000573Sep 3, 2026 9:53 PM
34Insider Transaction0001224062-26-000008Sep 3, 2026 8:29 PM
44Insider Transaction0001224062-26-000006Aug 26, 2026 8:45 PM
5144Insider Transaction0001958244-26-000557Aug 26, 2026 8:42 PM
6144Insider Transaction0001974078-26-000304Aug 13, 2026 9:12 PM
7144Insider Transaction0001958244-26-000507Aug 13, 2026 8:37 PM
84Insider Transaction0002142092-26-000004Aug 12, 2026 8:14 PM
910-QQuarterly & Annual Report0000911177-26-000049Aug 7, 2026 8:13 PM
108-KCurrent Report0000911177-26-000041Aug 6, 2026 8:12 PM
113Insider Transaction0002142092-26-000002Jul 21, 2026 8:06 PM
128-KCurrent Report0000911177-26-000038Jul 20, 2026 9:19 PM
13SCHEDULE 13GBeneficial Ownership Report0000814133-26-000074Jul 9, 2026 5:51 PM
148-KCurrent Report0000911177-26-000035Jul 1, 2026 12:27 PM
154Insider Transaction0001553453-26-000004Jun 10, 2026 8:03 PM
168-KCurrent Report0000911177-26-000033Jun 8, 2026 8:56 PM
174Insider Transaction0001055353-26-000006Jun 5, 2026 8:03 PM
184Insider Transaction0001224062-26-000004Jun 5, 2026 8:03 PM
194Insider Transaction0001379357-26-000006Jun 5, 2026 8:03 PM
204Insider Transaction0001553453-26-000002Jun 5, 2026 8:03 PM
214Insider Transaction0001863220-26-000002Jun 5, 2026 8:02 PM
224Insider Transaction0001283143-26-000002Jun 5, 2026 8:02 PM
234Insider Transaction0001180658-26-000002Jun 5, 2026 8:02 PM
244Insider Transaction0001820260-26-000002Jun 5, 2026 8:02 PM
254Insider Transaction0001055353-26-000004Jun 4, 2026 8:49 PM
264Insider Transaction0001055352-26-000008Jun 2, 2026 9:42 PM
278-KCurrent Report0000911177-26-000030Jun 1, 2026 8:49 PM
284Insider Transaction0001224062-26-000002May 27, 2026 8:07 PM
298-KCurrent Report0000911177-26-000028May 27, 2026 12:50 PM-
30144Insider Transaction0001958244-26-000293May 19, 2026 9:19 PM
31144Insider Transaction0001974078-26-000185May 19, 2026 5:30 PM
328-KCurrent Report0000911177-26-000024May 11, 2026 9:04 PM
338-KCurrent Report0000911177-26-000024May 11, 2026 9:04 PM
348-KCurrent Report0000911177-26-000024May 11, 2026 5:04 PM
3510-QQuarterly & Annual Report0000911177-26-000021May 1, 2026 8:33 PM
368-KCurrent Report0000911177-26-000018Apr 30, 2026 4:13 PM
37SCHEDULE 13GBeneficial Ownership Report0002100119-26-000340Apr 29, 2026 9:47 PM
38SCHEDULE 13GBeneficial Ownership Report0002100121-26-000223Apr 29, 2026 4:32 PM
39SCHEDULE 13GBeneficial Ownership Report0000814133-26-000051Apr 22, 2026 9:39 PM
408-KCurrent Report0000911177-26-000015Apr 22, 2026 8:43 PM
41ARSOthers0001193125-26-161586Apr 17, 2026 8:18 PM
42DEFA14AOthers0001193125-26-161580Apr 17, 2026 8:17 PM
43DEF 14AOthers0001193125-26-161565Apr 17, 2026 8:15 PM
44SCHEDULE 13GBeneficial Ownership Report0000102909-26-000813Mar 26, 2026 8:40 PM
454Insider Transaction0001055353-26-000002Mar 24, 2026 8:29 PM
464Insider Transaction0001055353-26-000002Mar 24, 2026 8:29 PM
474Insider Transaction0001055353-26-000002Mar 24, 2026 8:29 PM
484Insider Transaction0002114418-26-000005Mar 17, 2026 8:20 PM
494Insider Transaction0002114418-26-000005Mar 17, 2026 8:20 PM
504Insider Transaction0002114418-26-000005Mar 17, 2026 8:20 PM
...

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