Main Street Capital CORP (MAIN) SEC filings and CIK.
MAIN’s SEC Central Index Key (CIK) is 0001396440, or 1396440 without leading zeros. The SEC’s ticker file lists it as Main Street Capital CORP.
- Ticker
- MAIN
- CIK
- 0001396440
- Other tickers
- None
- Insider transactions, Q3 2026
- 82
Insider trading
In Q3 2026, insiders at Main Street Capital CORP reported 82 non-derivative transactions on 21 Forms 3, 4 and 5, including 2 open-market purchases and 1 sales. See every MAIN insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-06 | FWP | 0001396440-26-000161 |
| 2026-11-06 | 10-Q | 0001396440-26-000159 |
Get MAIN SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1396440&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1396440" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1396440?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Main Street Capital CORP on SEC.gov
Questions
What is MAIN’s CIK number?
MAIN’s SEC Central Index Key (CIK) is 0001396440, or 1396440 without leading zeros. The SEC’s ticker file lists it as Main Street Capital CORP.
How do I find Main Street Capital CORP’s 10-K?
Request /api/v1/filings?cik=1396440&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/main.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.