Company facts
- Industry
- State Commercial Banks
- Headquarters
- Fairfax, Virginia
- Most recent report
- 8-K, filed Aug 21, 2026
- Incorporated
- Virginia
- Filings on record
- 499 filings
- On EDGAR
- CIK 1693577
- Fiscal year ends
- December
- Filer status
- Accelerated filer, Smaller reporting company
Financials 8 of 34
News 8 of 145
Prospectuses and Registrations 8 of 15
- S-3/A Shelf registration statement, amended Jun 3, 2026
- S-3 Shelf registration statement May 15, 2026
- POS AM Post-effective amendment to a registration May 15, 2026
- S-3/A Shelf registration statement, amended Jun 11, 2024
- S-8 Registration statement for an employee plan May 22, 2024
- S-3 Shelf registration statement May 22, 2024
- POS AM Post-effective amendment to a registration May 17, 2024
- S-8 Registration statement for an employee plan May 26, 2021
Proxies 8 of 9
- DEF 14A Proxy statement for a shareholder vote Apr 17, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 17, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 12, 2024
- PRE 14A Preliminary proxy statement Mar 22, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 10, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 11, 2022
- DEF 14A Proxy statement for a shareholder vote Apr 13, 2021
- DEF 14A Proxy statement for a shareholder vote Apr 17, 2020
Ownership 8 of 254
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- SCHEDULE 13G Large holder reported a passive stake Jul 29, 2026
- 4 Insider reported a trade Jul 2, 2026
- 4 Insider reported a trade Jul 2, 2026
- 4 Insider reported a trade Jul 2, 2026
- 4 Insider reported a trade Jul 2, 2026
- 4 Insider reported a trade Jun 4, 2026
Other 8 of 42
- 11-K Employee stock plan report Jun 18, 2026
- EFFECT Notice that a registration became effective Jun 10, 2026
- EFFECT Notice that a registration became effective Jun 10, 2026
- CORRESP Reply to SEC staff Jun 8, 2026
- UPLOAD Comment letter from SEC staff May 20, 2026
- ARS Annual report sent to shareholders Apr 17, 2026
- 11-K Employee stock plan report Jun 20, 2025
- ARS Annual report sent to shareholders Apr 17, 2025
Everything here comes from MainStreet Bancshares, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.