Main Street Capital Corporation SEC filings MAIN
Main Street Capital Corporation 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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 3, 2026 | Nov 3, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 30, 2026 | Oct 27, 2026 |
| 424B2 | Prospectus | Oct 28, 2026 | — |
| 497AD | Filing | Oct 28, 2026 | — |
| 497AD | Filing | Oct 28, 2026 | — |
| 497AD | Filing | Oct 28, 2026 | — |
| 497AD | Filing | Oct 28, 2026 | — |
| 497AD | Filing | Oct 27, 2026 | — |
| FWP | Free writing prospectus | Oct 27, 2026 | — |
| 424B2 | Prospectus | Oct 27, 2026 | — |
| 497AD | Filing | Oct 26, 2026 | — |
| 40-17G | Filing | Oct 16, 2026 | — |
| 8-K |
Current report
Results of operations
|
Oct 15, 2026 | Oct 15, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 8, 2026 | Oct 8, 2026 |
| 8-K |
Current report
Material agreement
|
Aug 12, 2026 | Aug 11, 2026 |
| 424B3 | Prospectus | Aug 12, 2026 | — |
| FWP | Free writing prospectus | Aug 7, 2026 | — |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Other events
|
Aug 4, 2026 | Aug 4, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 16, 2026 | Jul 16, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 9, 2026 | Jul 9, 2026 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jun 30, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 11, 2026 | Jun 11, 2026 |
| FWP | Free writing prospectus | May 8, 2026 | — |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2026 | May 4, 2026 |
| 8-K |
Current report
Other events
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 16, 2026 | Apr 16, 2026 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Apr 9, 2026 | Apr 8, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 9, 2026 | Apr 9, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 31, 2026 | Mar 27, 2026 |
| 424B2 | Prospectus | Mar 31, 2026 | — |
| 497AD | Filing | Mar 27, 2026 | — |
| 497AD | Filing | Mar 27, 2026 | — |
| FWP | Free writing prospectus | Mar 27, 2026 | — |
| 424B2 | Prospectus | Mar 27, 2026 | — |
| DEF 14A | Proxy statement | Mar 23, 2026 | Mar 23, 2026 |
| FWP | Free writing prospectus | Feb 27, 2026 | — |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Other events
|
Feb 24, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 15, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Material agreement
|
Nov 12, 2025 | Nov 12, 2025 |
| 424B3 | Prospectus | Nov 12, 2025 | — |
| FWP | Free writing prospectus | Nov 7, 2025 | — |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| 40-17G | Filing | Oct 14, 2025 | — |
| 8-K |
Current report
Results of operations
|
Oct 14, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 9, 2025 | Oct 9, 2025 |
| 8-K |
Current report
Other events
|
Sep 26, 2025 | Sep 26, 2025 |
| N-23C-2/A | Filing | Sep 25, 2025 | Sep 25, 2025 |
| N-23C-2 | Filing | Sep 25, 2025 | Sep 25, 2025 |
| APP ORDR | Filing | Sep 22, 2025 | — |
| APP NTC | Filing | Aug 25, 2025 | — |
| CERT | Nyse texas certification | Aug 18, 2025 | — |
| 8-A12B | Filing | Aug 18, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Aug 15, 2025 | Aug 13, 2025 |
| 424B2 | Prospectus | Aug 14, 2025 | — |
| 497AD | Filing | Aug 14, 2025 | — |
| 40-APP/A | Filing | Aug 14, 2025 | — |
| 497AD | Filing | Aug 14, 2025 | — |
| 497AD | Filing | Aug 14, 2025 | — |
| 497AD | Filing | Aug 13, 2025 | — |
| FWP | Free writing prospectus | Aug 13, 2025 | — |
| 424B2 | Prospectus | Aug 13, 2025 | — |
| 497AD | Filing | Aug 12, 2025 | — |
| FWP | Free writing prospectus | Aug 8, 2025 | — |
| 10-Q | Quarterly report | Aug 8, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Other events
|
Aug 5, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 17, 2025 | Jul 17, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2025 | Jul 10, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2025 | Jun 5, 2025 |
| APP WD | Filing | May 22, 2025 | — |
| 40-APP | Filing | May 21, 2025 | — |
| 40-APP | Filing | May 16, 2025 | — |
| FWP | Free writing prospectus | May 9, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Other events
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 6, 2025 | May 5, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
May 1, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Apr 25, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 16, 2025 | Apr 16, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 10, 2025 | Apr 10, 2025 |
| DEF 14A | Proxy statement | Mar 24, 2025 | Mar 24, 2025 |
| 424B2 | Prospectus | Mar 5, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 5, 2025 | Mar 4, 2025 |
| 424B2 | Prospectus | Mar 4, 2025 | — |
| FWP | Free writing prospectus | Feb 28, 2025 | — |
| N-2ASR | Filing | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Other events
|
Feb 25, 2025 | Feb 25, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 16, 2025 | Jan 16, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2025 | Jan 9, 2025 |
| FWP | Free writing prospectus | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 8, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Other events
|
Nov 5, 2024 | Nov 5, 2024 |
| CORRESP | Letter to the SEC | Oct 24, 2024 | — |
| 8-K |
Current report
Results of operations
|
Oct 15, 2024 | Oct 15, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 10, 2024 | Oct 10, 2024 |
| 40-17G | Filing | Oct 7, 2024 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Oct 1, 2024 | Sep 26, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 13, 2024 | Sep 11, 2024 |
| 424B2 | Prospectus | Sep 13, 2024 | — |
| 497AD | Filing | Sep 12, 2024 | — |
| 497AD | Filing | Sep 12, 2024 | — |
| 497AD | Filing | Sep 12, 2024 | — |
| 497AD | Filing | Sep 12, 2024 | — |
| FWP | Free writing prospectus | Sep 11, 2024 | — |
| 424B2 | Prospectus | Sep 11, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 10, 2024 | Sep 10, 2024 |
| FWP | Free writing prospectus | Aug 12, 2024 | — |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Other events
|
Aug 6, 2024 | Aug 6, 2024 |
| DEFA14A | Additional proxy material | Jul 25, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 25, 2024 | Jul 25, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 16, 2024 | Jul 16, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 11, 2024 | Jul 11, 2024 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jun 28, 2024 | Jun 27, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 20, 2024 | Jun 20, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 4, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
May 30, 2024 | May 26, 2024 |
| 424B2 | Prospectus | May 29, 2024 | — |
| 497AD | Filing | May 29, 2024 | — |
| 497AD | Filing | May 29, 2024 | — |
| 497AD | Filing | May 28, 2024 | — |
| 497AD | Filing | May 28, 2024 | — |
| 497AD | Filing | May 28, 2024 | — |
| FWP | Free writing prospectus | May 28, 2024 | — |
| 424B2 | Prospectus | May 28, 2024 | — |
| FWP | Free writing prospectus | May 13, 2024 | — |
| 10-Q | Quarterly report | May 10, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 7, 2024 | May 6, 2024 |
| 8-K |
Current report
Other events
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 16, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 11, 2024 | Apr 11, 2024 |
| DEF 14A | Proxy statement | Mar 25, 2024 | Mar 25, 2024 |
| FWP | Free writing prospectus | Feb 26, 2024 | — |
| 10-K | Annual report | Feb 23, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2024 | Feb 22, 2024 |
| 8-K |
Current report
Other events
|
Feb 21, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 17, 2024 | Jan 17, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 16, 2024 | Jan 16, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 12, 2024 | Jan 10, 2024 |
| 424B2 | Prospectus | Jan 11, 2024 | — |
| 497AD | Filing | Jan 11, 2024 | — |
| 497AD | Filing | Jan 10, 2024 | — |
| 497AD | Filing | Jan 10, 2024 | — |
| 497AD | Filing | Jan 10, 2024 | — |
| 497AD | Filing | Jan 10, 2024 | — |
| FWP | Free writing prospectus | Jan 10, 2024 | — |
| 424B2 | Prospectus | Jan 10, 2024 | — |
| 497AD | Filing | Jan 8, 2024 | — |
| 424B3 | Prospectus | Nov 8, 2023 | — |
| FWP | Free writing prospectus | Nov 6, 2023 | — |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Other events
|
Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 17, 2023 | Oct 17, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Oct 13, 2023 | Oct 12, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 12, 2023 | Oct 5, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 12, 2023 | Oct 12, 2023 |
| 40-17G | Filing | Oct 10, 2023 | — |
| FWP | Free writing prospectus | Aug 4, 2023 | — |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 18, 2023 | Jul 18, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 13, 2023 | Jul 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 22, 2023 | Jun 22, 2023 |
| 424B3 | Prospectus | Jun 1, 2023 | — |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jun 1, 2023 | May 31, 2023 |
| FWP | Free writing prospectus | May 5, 2023 | — |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 2, 2023 | May 1, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 18, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 12, 2023 | Apr 12, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 20, 2023 | Mar 20, 2023 |
| DEF 14A | Proxy statement | Mar 20, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 14, 2023 | Mar 13, 2023 |
| PRE 14A | Preliminary proxy statement | Feb 24, 2023 | — |
| FWP | Free writing prospectus | Feb 24, 2023 | — |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2023 | Feb 23, 2023 |
| 8-K |
Current report
Other events
|
Feb 22, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Other events
|
Feb 2, 2023 | Feb 2, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jan 18, 2023 | Jan 13, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 17, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 12, 2023 | Jan 12, 2023 |
Showing 200 filings, the most recent 200. 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.