MainStreet Bancshares (MNSB)
Owns a branch-lite community bank serving the Washington, D.C. metropolitan area.
$24.90
vs last close−0.20 (−0.80%)
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | 57.40% | 4.09M shares | |
|---|---|---|---|
| 98 holders · as of Jun 30, 2026 | |||
| Insiders | 8.15% | 580.1K shares | |
| 15 holders · as of Jul 2, 2026 | |||
| Other | 34.45% | 2.45M shares | |
| remainder | |||
7.12M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
98 holders · 4.09M shares · 18 new positions · 60 increased · 21 reduced · 4 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Banc Funds Co LLC | 545.7K | 7.67% | +14.7K | Aug 13, 2026 |
| AllianceBernstein L.P. | 418.4K | 5.88% | −136.3K | Aug 14, 2026 |
| BlackRock, Inc. | 404.0K | 5.68% | +56.4K | Aug 7, 2026 |
| Wellington Management Group LLP | 337.0K | 4.73% | −15.7K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 262.5K | 3.69% | −39.0K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 205.0K | 2.88% | +38.4K | Aug 11, 2026 |
| Acadian Asset Management LLC | 183.2K | 2.57% | +49.3K | Aug 13, 2026 |
| First Manhattan Co. LLC. | 161.7K | 2.27% | −26.4K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| AllianceBernstein L.P. | 7.50% | 554.7K | 13G | May 18, 2026 |
| BlackRock, Inc. | 5.60% | 396.6K | 13G | Jul 29, 2026 |
| Fourthstone LLC | 5.22% | 384.8K | 13G | May 15, 2026 |
| MainStreet Bank 401(k) Retirement Plan | 5.10% | 383.8K | 13G | Feb 24, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 4, 2026 | Richard Alexander Variofficer: Chief Financial Officer | Sale | 4,500 | $23.20 | 34,036 |
| Dec 9, 2025 | Thomas J. Chmelikdirector, officer: CFO, MainStreet Bancshares Inc | Sale · 2 lots | 7,238 | $20.09 | 63,761 |
| Dec 8, 2025 | Thomas J. Chmelikdirector, officer: CFO, MainStreet Bancshares Inc | Sale · 2 lots | 23,577 | $19.93 | 70,999 |
| Dec 3, 2025 | Thomas J. Chmelikdirector, officer: CFO, MainStreet Bancshares Inc | Sale · 2 lots | 9,771 | $19.82 | 94,576 |
| Nov 24, 2025 | Jeff W. Dickdirector, officer: Chairman, President and CEO | Purchase | 106 | $18.99 | 194,796 |
| Nov 24, 2025 | Charles C. Brockettdirector | Purchase · 4 lots | 742 | $19.02 | 119,906 |
House and Senate disclosures
Not reported.