MainStreet Bancshares, Inc.
MNSB, MNSBP · State Commercial Banks · 7.1M shares · +11%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$2M (gross $43K, SBC $2M)
Reference price $23.20 · est. market cap ~$165M — last insider sale, 2026-06-04 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C58Small Northern Virginia community bank with below-median returns and CRE concentration.
Strengths
- Tangible book ratio 1.0 (100th pct) and positive FCF; clean capital base
- Niche BaaS/deposit franchise in an affluent DC-metro market
Risks
- ROE 7.1% (25.1th pct) and ROA 0.71% (18.3th) — subscale returns
- Heavy commercial/residential real-estate concentration and small-business borrower exposure
Notable findings
- Material weakness• the effectiveness of our internal controls over financial reporting and our ability to remediate any future material weakness in our internal controls over financial reporting; • liquidity, in
- Revenue declineRevenue -98.3% YoY
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
54.3%
Net margin
11.5%
Return on equity
7.1%
Return on assets
0.7%
Revenue growth (QoQ)
-98.3%
Free cash flow
$11M
Tangible book value
$219M
Stock comp / revenue
1.9%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-04 | Vari Richard Alexander | Sell | 4.5K | $23.20 |
| 2026-04-03 | Hall Wendy Adeler | Grant | 534 | $22.48 |
| 2026-04-03 | DeLeon Rafael E | Grant | 1.1K | $22.48 |
| 2026-04-03 | RUST PATSY I | Grant | 534 | $22.48 |
| 2026-04-03 | GREEN DARRELL | Grant | 356 | $22.48 |
| 2026-04-03 | Higgins Joan Morgan | Grant | 356 | $22.48 |
| 2026-02-20 | Freesmeier William | Tax withheld | 744 | $20.36 |
| 2026-02-20 | CHMELIK THOMAS J | Tax withheld | 2.8K | $20.36 |
| 2026-02-20 | Baboval Michael B | Tax withheld | 738 | $20.36 |
| 2026-02-20 | Vari Richard Alexander | Tax withheld | 1.5K | $20.36 |
| 2026-02-20 | Hersiburane Abdulhamid | Tax withheld | 1.3K | $20.36 |
| 2026-02-20 | DICK JEFF W | Tax withheld | 3.5K | $20.36 |
| 2026-02-20 | DICK JEFF W | Grant | 24K | $22.65 |
| 2026-02-20 | Youngren Todd | Tax withheld | 812 | $20.36 |
| 2026-01-30 | Youngren Todd | Grant | 2.0K | $20.42 |
| 2026-01-30 | Baboval Michael B | Grant | 2.1K | $20.42 |
| 2026-01-09 | Vari Richard Alexander | Grant | 10K | $20.36 |
| 2026-01-02 | Hall Wendy Adeler | Grant | 590 | $20.36 |
| 2026-01-02 | Manouchehri Ali R | Grant | 1.2K | $20.36 |
| 2026-01-02 | DeLeon Rafael E | Grant | 1.2K | $20.36 |
| 2026-01-02 | GREEN DARRELL | Grant | 1.0K | $20.36 |
| 2025-12-09 | CHMELIK THOMAS J | Sell | 1.8K | $20.21 |
| 2025-12-09 | CHMELIK THOMAS J | Sell | 5.5K | $20.05 |
| 2025-12-08 | CHMELIK THOMAS J | Sell | 12K | $20.10 |
| 2025-12-08 | CHMELIK THOMAS J | Sell | 11K | $19.75 |
| 2025-12-03 | CHMELIK THOMAS J | Sell | 8.7K | $19.86 |
| 2025-12-03 | CHMELIK THOMAS J | Sell | 1.1K | $19.50 |
| 2025-11-24 | Brockett Charles C. | Buy | 400 | $19.03 |
| 2025-11-24 | Brockett Charles C. | Buy | 200 | $19.05 |
| 2025-11-24 | Brockett Charles C. | Buy | 123 | $18.95 |
| 2025-11-24 | Brockett Charles C. | Buy | 19 | $18.95 |
| 2025-11-24 | DICK JEFF W | Buy | 106 | $18.99 |
| 2025-10-01 | Manouchehri Ali R | Grant | 577 | $20.83 |
| 2025-10-01 | GREEN DARRELL | Grant | 793 | $20.83 |
| 2025-10-01 | RUST PATSY I | Grant | 577 | $20.83 |
| 2025-09-08 | DICK JEFF W | Buy | 176 | $22.15 |
| 2025-06-30 | GREEN DARRELL | Grant | 1.3K | $18.90 |
| 2025-06-30 | DeLeon Rafael E | Grant | 238 | $18.90 |
| 2025-05-29 | Brockett Charles C. | Buy | 120 | $19.12 |
| 2025-03-31 | DeLeon Rafael E | Grant | 1.4K | $16.72 |
| 2025-03-31 | GREEN DARRELL | Grant | 937 | $16.72 |
| 2025-03-31 | RUST PATSY I | Grant | 718 | $16.72 |
| 2025-03-03 | Vari Richard Alexander | Grant | 7.1K | $16.80 |
| 2025-03-03 | Hersiburane Abdulhamid | Grant | 5.4K | $16.80 |
| 2025-03-03 | Freesmeier William | Grant | 3.9K | $16.80 |
| 2025-03-03 | Baboval Michael B | Grant | 729 | $16.80 |
| 2025-02-21 | DICK JEFF W | Buy | 118 | $16.46 |
| 2025-01-02 | RUST PATSY I | Grant | 663 | $18.10 |
| 2025-01-02 | DeLeon Rafael E | Grant | 1.3K | $18.10 |
| 2025-01-02 | Manouchehri Ali R | Grant | 442 | $18.10 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-26 | 2026-05-26 | 0001437749-26-018323 ↗ |
| 8-K | 2026-05-22 | 2026-05-22 | 0001437749-26-018184 ↗ |
| 10-Q | 2026-05-08 | 2026-03-31 | 0001437749-26-015780 ↗ |
| 8-K | 2026-04-24 | 2026-04-24 | 0001437749-26-013236 ↗ |
| 8-K | 2026-04-21 | 2026-04-21 | 0001437749-26-012891 ↗ |
| 8-K | 2026-04-20 | 2026-04-20 | 0001437749-26-012768 ↗ |
| 8-K | 2026-04-13 | 2026-04-13 | 0001437749-26-012098 ↗ |
| 8-K | 2026-04-06 | 2026-04-06 | 0001437749-26-011316 ↗ |
| 8-K | 2026-03-25 | 2026-03-25 | 0001437749-26-009702 ↗ |
| 10-K | 2026-03-13 | 2025-12-31 | 0001437749-26-008073 ↗ |
| 10-K/A | 2026-03-12 | 2024-12-31 | 0001437749-26-007948 ↗ |
| 8-K | 2026-03-03 | 2026-03-03 | 0001437749-26-006503 ↗ |