Main Street Capital CORP SEC filings MAIN
Main Street Capital CORP has 1,000 filings in SEC EDGAR's recent list, going back to Oct 12, 2021. Its latest annual report, Form 10-K, was filed on Feb 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B2 | Prospectus | Oct 28, 2026 | — |
| FWP | Free writing prospectus | Oct 27, 2026 | — |
| 424B2 | Prospectus | Oct 27, 2026 | — |
| 424B3 | Prospectus | Aug 12, 2026 | — |
| FWP | Free writing prospectus | Aug 7, 2026 | — |
| FWP | Free writing prospectus | May 8, 2026 | — |
| 424B2 | Prospectus | Mar 31, 2026 | — |
| FWP | Free writing prospectus | Mar 27, 2026 | — |
| 424B2 | Prospectus | Mar 27, 2026 | — |
| FWP | Free writing prospectus | Feb 27, 2026 | — |
| 424B3 | Prospectus | Nov 12, 2025 | — |
| FWP | Free writing prospectus | Nov 7, 2025 | — |
| 424B2 | Prospectus | Aug 14, 2025 | — |
| FWP | Free writing prospectus | Aug 13, 2025 | — |
| 424B2 | Prospectus | Aug 13, 2025 | — |
| FWP | Free writing prospectus | Aug 8, 2025 | — |
| FWP | Free writing prospectus | May 9, 2025 | — |
| 424B2 | Prospectus | Mar 5, 2025 | — |
| 424B2 | Prospectus | Mar 4, 2025 | — |
| FWP | Free writing prospectus | Feb 28, 2025 | — |
| FWP | Free writing prospectus | Nov 8, 2024 | — |
| 424B2 | Prospectus | Sep 13, 2024 | — |
| FWP | Free writing prospectus | Sep 11, 2024 | — |
| 424B2 | Prospectus | Sep 11, 2024 | — |
| FWP | Free writing prospectus | Aug 12, 2024 | — |
| 424B2 | Prospectus | May 29, 2024 | — |
| FWP | Free writing prospectus | May 28, 2024 | — |
| 424B2 | Prospectus | May 28, 2024 | — |
| FWP | Free writing prospectus | May 13, 2024 | — |
| FWP | Free writing prospectus | Feb 26, 2024 | — |
| 424B2 | Prospectus | Jan 11, 2024 | — |
| FWP | Free writing prospectus | Jan 10, 2024 | — |
| 424B2 | Prospectus | Jan 10, 2024 | — |
| 424B3 | Prospectus | Nov 8, 2023 | — |
| FWP | Free writing prospectus | Nov 6, 2023 | — |
| FWP | Free writing prospectus | Aug 4, 2023 | — |
| 424B3 | Prospectus | Jun 1, 2023 | — |
| FWP | Free writing prospectus | May 5, 2023 | — |
| FWP | Free writing prospectus | Feb 24, 2023 | — |
| FWP | Free writing prospectus | Nov 4, 2022 | — |
| FWP | Free writing prospectus | Nov 4, 2022 | — |
| 424B2 | Prospectus | Aug 11, 2022 | — |
| 424B2 | Prospectus | Aug 10, 2022 | — |
| FWP | Free writing prospectus | Aug 5, 2022 | — |
| FWP | Free writing prospectus | Aug 5, 2022 | — |
| FWP | Free writing prospectus | May 11, 2022 | — |
| FWP | Free writing prospectus | May 11, 2022 | — |
| S-8 POS | Filing | May 5, 2022 | — |
| S-8 | Employee stock plan registration | May 3, 2022 | — |
| S-8 POS | Filing | May 3, 2022 | — |
| 424B2 | Prospectus | Mar 4, 2022 | — |
| 424B2 | Prospectus | Mar 4, 2022 | — |
| FWP | Free writing prospectus | Feb 28, 2022 | — |
| FWP | Free writing prospectus | Feb 28, 2022 | — |
| 424B2 | Prospectus | Jan 11, 2022 | — |
| 424B3 | Prospectus | Nov 12, 2021 | — |
| FWP | Free writing prospectus | Nov 8, 2021 | — |
| FWP | Free writing prospectus | Nov 8, 2021 | — |
Showing 58 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- MAIN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MD
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1396440
Source: SEC EDGAR filings. This is company-reported data, not investment advice.