Casella Waste Systems Inc (CWST) SEC filings and CIK.
CWST’s SEC Central Index Key (CIK) is 0000911177, or 911177 without leading zeros. The SEC’s ticker file lists it as CASELLA WASTE SYSTEMS INC.
- Ticker
- CWST
- CIK
- 0000911177
- Other tickers
- None
- Insider transactions, Q3 2026
- 5
Insider trading
In Q3 2026, insiders at Casella Waste Systems Inc reported 5 non-derivative transactions on 5 Forms 3, 4 and 5, including 0 open-market purchases and 5 sales. See every CWST insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-09 | 8-K | 0000911177-26-000057 |
| 2026-11-09 | 144 | 0001974078-26-000406 |
Get CWST SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=911177&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/911177" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/911177?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Casella Waste Systems Inc on SEC.gov
Questions
What is CWST’s CIK number?
CWST’s SEC Central Index Key (CIK) is 0000911177, or 911177 without leading zeros. The SEC’s ticker file lists it as CASELLA WASTE SYSTEMS INC.
How do I find Casella Waste Systems Inc’s 10-K?
Request /api/v1/filings?cik=911177&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/cwst.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.