MainStreet Bancshares, Inc.
MainStreet Bancshares, Inc. (MNSB) Stock Ownership
Latest 13F position summary is not yet available — breakdown and tables fill in after filings publish (typically ~45 days after quarter end).
SEC 13F · FMP · MNSB · as of —
Ownership Breakdown
Institutional data for this period is not yet available. SEC Form 13F filings are typically published 45 days after quarter end.
Top Institutional Holders
MNSB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ALLIANCEBERNSTEIN L.P. state commercial banks | 674.2K | 8.75% | 8.75% | $14.04B | Nov 14, 2025 | ▲ 17.5K |
BANC FUNDS CO LLC state commercial banks | 573.4K | 7.44% | 7.44% | $11.94B | Nov 14, 2025 | ▼ 77.6K |
FOURTHSTONE LLC state commercial banks | 509.9K | 6.62% | 6.62% | $10.62B | Nov 14, 2025 | ▲ 171.8K |
WELLINGTON MANAGEMENT GROUP LLP state commercial banks | 411.0K | 5.33% | 5.33% | $8.56B | Nov 14, 2025 | ▼ 5.5K |
VANGUARD GROUP INC state commercial banks | 380.3K | 4.94% | 4.94% | $7.92B | Nov 7, 2025 | ▼ 178 |
CRESSET ASSET MANAGEMENT, LLC state commercial banks | 335.7K | 4.36% | 4.36% | $6.99B | Jan 22, 2026 | ▲ 1.3K |
BLACKROCK, INC. state commercial banks | 333.2K | 4.32% | 4.32% | $6.94B | Nov 12, 2025 | ▲ 34.5K |
FIRST MANHATTAN CO. LLC. state commercial banks | 209.5K | 2.72% | 2.72% | $4.36B | Nov 14, 2025 | ▼ 875 |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 152.8K | 1.98% | 1.98% | $3.18B | Nov 12, 2025 | ▼ 744 |
UBS GROUP AG state commercial banks | 134.8K | 1.75% | 1.75% | $2.81B | Nov 13, 2025 | ▲ 131.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Insider Buying vs Selling
MNSB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
1
Sell transactions
5.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Vari Richard Alexander Chief Financial Officer | Jun 4, 2026 | Sale | 4,500 | $23.20 | $104.4K | 34.0K | Form 4 ↗ |
Higgins Joan Morgan Director - MainStreet Bank | Apr 3, 2026 | Award | 356 | $22.48 | $8.0K | 602 | Form 4 ↗ |
Hall Wendy Adeler director | Apr 3, 2026 | Award | 534 | $22.48 | $12.0K | 1.8K | Form 4 ↗ |
DeLeon Rafael E director | Apr 3, 2026 | Award | 1,068 | $22.48 | $24.0K | 14.5K | Form 4 ↗ |
GREEN DARRELL director | Apr 3, 2026 | Award | 356 | $22.48 | $8.0K | 34.7K | Form 4 ↗ |
RUST PATSY I director | Apr 3, 2026 | Award | 534 | $22.48 | $12.0K | 26.1K | Form 4 ↗ |
Vari Richard Alexander Chief Financial Officer | Feb 20, 2024 | Award | 7,155 | $22.65 | $162.1K | 38.5K | Form 4 ↗ |
Vari Richard Alexander Chief Financial Officer | Feb 20, 2026 | Tax Withhold | 1,501 | $20.36 | $30.6K | 31.4K | Form 4 ↗ |
Hersiburane Abdulhamid President, MainSteet Bank | Feb 20, 2024 | Award | 8,367 | $22.65 | $189.5K | 41.9K | Form 4 ↗ |
Hersiburane Abdulhamid President, MainSteet Bank | Feb 20, 2026 | Tax Withhold | 1,314 | $20.36 | $26.8K | 33.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MainStreet Bancshares, Inc. (MNSB) is primarily owned by institutional investors, who hold approximately — of total shares outstanding. Company insiders own approximately —, while retail and public investors account for the remaining —.
The largest institutional shareholder of MainStreet Bancshares, Inc. is ALLIANCEBERNSTEIN L.P., holding approximately 674,163 shares — equal to 8.75% of outstanding shares — as of —.
A total of 0 institutional investors currently hold MNSB stock, with a combined institutional value of approximately $0 as of the most recent 13F filing period.
Frequently asked questions
MNSB ownershipMainStreet Bancshares, Inc. (MNSB) is primarily owned by institutional investors, who hold approximately — of shares. The largest shareholder is ALLIANCEBERNSTEIN L.P. with a 8.75% stake. Company insiders hold —. Data sourced from SEC Form 13F as of —.