MAIN SEC filings

Recent SEC filings for Main Street Capital Corporation (CIK 1396440, NYSE: MAIN).

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Recent MAIN filings

The 15 most recent SEC filings for Main Street Capital Corporation, sorted by filing date. Each row links to the official SEC document.

Filed	Form	Accession #
2026-06-30	4	0001437113-26-000014
2026-05-28	4	0001236849-26-000008
2026-05-28	4	0001525628-26-000007
2026-05-28	4	0001007549-26-000007
2026-05-28	4	0001437113-26-000010
2026-05-28	4	0001448240-26-000016
2026-05-28	4	0001414108-26-000011
2026-05-28	4	0001667260-26-000007
2026-05-28	4	0001414109-26-000011
2026-05-28	4	0001182313-26-000009
2026-05-20	4	0001069725-26-000008
2026-05-06	4	0001236849-26-000007
2026-05-06	4	0001182313-26-000007
2026-05-06	4	0001414108-26-000007
2026-05-06	4	0001069725-26-000006

Why MAIN filings on EdgarKit beat the alternatives

Real-time, not batched. Yahoo Finance and most aggregators batch the SEC daily index. EdgarKit polls EDGAR every 30 seconds, so new MAIN filings appear here within a minute of SEC acceptance.
Developer-ready JSON. Whalewisdom and OpenInsider give you HTML tables you can read but not parse cleanly. Every transaction shown above is also available as structured JSON via the API.
Full transaction codes. Yahoo collapses Form 4 lines into 'Buy' / 'Sell'. We keep the raw transaction code (P, S, A, M, F, etc.) so you can filter compensation noise out of trading signal.
Footnote text preserved. Rule 10b5-1 plan references, indirect ownership disclosures, and gift transfers are all retained in the API response, not stripped.
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About Main Street Capital Corporation

Main Street Capital Corporation is a business development company specializing in equity capital to lower middle market companies. Sector: Asset Management. Listed on NYSE under ticker MAIN, SEC Central Index Key 1396440.

What gets filed by MAIN

10-K: annual report with audited financials, risk factors, and MD&A.
10-Q: quarterly report with unaudited financials.
8-K: material event disclosures (earnings, M&A, executive changes).
Form 4: insider transactions by MAIN officers, directors, and 10%+ owners.
13F: when institutional managers report MAIN holdings.
DEF 14A: annual proxy statement covering executive compensation and governance.

Get MAIN filings via API

Pull the most recent filings for MAIN (CIK 1396440) via the EdgarKit API:

curl "https://api.edgarkit.com/v1/filings?ticker=MAIN&limit=20" \
  -H "Authorization: Bearer YOUR_API_KEY"

Filter to specific form types:

curl "https://api.edgarkit.com/v1/filings?ticker=MAIN&form_type=4&transaction_code=P&limit=10" \
  -H "Authorization: Bearer YOUR_API_KEY"

Insider transactions

For MAIN insider Form 4 transactions specifically, see the MAIN insiders page.