Middlefield Banc Corp.SEC Filings
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All SEC filings by Middlefield Banc Corp. (MBCN) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Nov 13, 2025 | |
| 10-Q | Quarterly report | View Diff | Aug 12, 2025 | |
| 10-Q | Quarterly report | View Diff | May 13, 2025 | |
| ARS | Annual report to shareholders | Apr 4, 2025 | ||
| 10-K | Annual report | View Diff | Mar 13, 2025 | |
| 10-K/A | Annual report | View Diff | Dec 23, 2024 | |
| 10-Q | Quarterly report | View Diff | Nov 13, 2024 | |
| 10-Q | Quarterly report | View Diff | Aug 13, 2024 | |
| 10-Q | Quarterly report | View Diff | May 14, 2024 | |
| ARS | Annual report to shareholders | Apr 4, 2024 |
Events
| 8-K | Departure of Directors or Certain Officers | Feb 25, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Feb 12, 2026 | ||
| 8-K | Farmers National Banc Corp. and Middlefield Banc Corp. Announce | Feb 10, 2026 | ||
| 8-K | Results of Operations and Financial Condition | Feb 10, 2026 | ||
| 8-K | Other Events | Feb 9, 2026 | ||
| 8-K | Farmers National Banc Corp. and Middlefield Banc Corp. Announce Regulatory Approvals for Merger | Feb 5, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Jan 16, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Dec 12, 2025 | ||
| 8-K | Other Events | Nov 17, 2025 | ||
| 8-K | Entry Into a Material Definitive Agreement | Oct 27, 2025 |
Registrations and Prospectuses
| 15-12G | Securities registration termination | Mar 12, 2026 | ||
| 25-NSE | Exchange delisting | Mar 2, 2026 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | Mar 2, 2026 | ||
| S-3DPOS | Registration of securities, dividend or interest reinvestment plans, immediately effective (post-effective amendment) | Feb 27, 2026 | ||
| 425 | Business combination disclosure | Feb 5, 2026 | ||
| 425 | Business combination disclosure | Feb 5, 2026 | ||
| 425 | Business combination disclosure | Jan 30, 2026 | ||
| 425 | Business combination disclosure | Jan 30, 2026 | ||
| 425 | Business combination disclosure | Jan 16, 2026 | ||
| 425 | Business combination disclosure | Jan 16, 2026 |
Proxies
| DEFM14A | Proxy related to merger | Dec 19, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 4, 2025 | |
| DEF 14A | Definitive proxy | View Diff | Apr 5, 2024 | |
| DEF 14A | Definitive proxy | View Diff | Apr 4, 2023 | |
| PRE 14A | Preliminary proxy | Feb 24, 2023 | ||
| PX14A6G | Letter to shareholders | Apr 18, 2022 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 5, 2022 | |
| DEFA14A | Additional proxy soliciting materials | Apr 28, 2021 | ||
| DEF 14A | Definitive proxy | View Diff | Apr 5, 2021 | |
| DEF 14A | Definitive proxy | View Diff | Apr 3, 2020 |
Other
| EFFECT | Notice of effectiveness | Feb 1, 2023 | ||
| EFFECT | Notice of effectiveness | Sep 23, 2022 | ||
| CORRESP | Correspondence with SEC | Sep 20, 2022 | ||
| UPLOAD | Letter from SEC | Aug 15, 2022 | ||
| EFFECT | Notice of effectiveness | Jul 25, 2017 | ||
| EFFECT | Notice of effectiveness | Jul 21, 2017 | ||
| CORRESP | Correspondence with SEC | Jul 19, 2017 | ||
| UPLOAD | Letter from SEC | Jul 18, 2017 | ||
| EFFECT | Notice of effectiveness | Mar 15, 2017 | ||
| EFFECT | Notice of effectiveness | Nov 23, 2016 |