🕵️ Mainstreet Bancshares, Inc. ($MNSB)
SEC insider & ownership activity, last 12 months · CIK 1693577 · every row links its SEC filing
Over the last 12 months insiders sold $913K against $20K of open-market buying. Chmelik, Thomas J. (MNSB) sold $809K (Dec). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $20K (7 lots) · 2 sellers, $913K (7 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Chmelik, Thomas J. (MNSB) | 0 | – | 6 | $809K | Dec 9, 2025 |
| Vari Richard Alexander | 0 | – | 1 | $104K | Jun 4, 2026 |
| Charles C. Brockett | 4 | $14K | 0 | – | Nov 24, 2025 |
| Jeff W. Dick | 2 | $6K | 0 | – | Nov 24, 2025 |
| Echlov Russell | 1 | $416 | 0 | – | Dec 31, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Alliancebernstein L.p. | 7.5% | 13G | May 18, 2026 | filing ↗ | |
| Blackrock, Inc. | 5.6% | 13G | Jul 29, 2026 | filing ↗ | |
| BANC Fund X L.P. | 5.6% | 13G | Feb 13, 2026 | filing ↗ | |
| Fourthstone LLC | 5.2% | 13G | May 15, 2026 | filing ↗ | |
| L. Phillip Stone, IV | 5.2% | 13G | May 15, 2026 | filing ↗ | |
| Mainstreet Bank 401(K) Retirement PLAN | 5.1% | 13G | Feb 24, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| VARI, Richard A. (MNSB) | $104K | Jun 1, 2026 | filing ↗ |
| Chmelik, Thomas J. (MNSB) | $800K | Dec 2, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jul 21, 2026 | filing ↗ |
| Earnings (2.02) | Jul 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 6, 2026 | filing ↗ |
| Other events (8.01) | May 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 22, 2026 | filing ↗ |
| Other events (8.01) | May 22, 2026 | filing ↗ |
| Other events (8.01) | Apr 24, 2026 | filing ↗ |
| Other events (8.01) | Apr 21, 2026 | filing ↗ |
| Earnings (2.02) | Apr 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Other events (8.01) | Mar 3, 2026 | filing ↗ |
| Other events (8.01) | Feb 20, 2026 | filing ↗ |
| Other events (8.01) | Jan 27, 2026 | filing ↗ |
| Earnings (2.02) | Jan 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 18, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 15, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 5, 2025 | filing ↗ |