Mainstreet Bank (MNSB) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of Mainstreet Bank stock $23.89, price $22.11, upside +8.1%, quality 54 out of 100. Rating: fairly valued. Calculated from audited financials with 6 of our 26 valuation models and 37 quality factors, updated daily.
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Mainstreet Bank
MNSB · USThe stock costs about what our calculation considers fair.
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 7, 2026.
How to read this chart
60‑month range $14.47 – $27.62 · fair‑value band $19.66 – $25.84 · the $22.11 price screens below the $23.89 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. As of Nov 7, 2026.
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Company profile
MainStreet Bancshares, Inc. operates as the bank holding company for MainStreet Bank that provides various banking products and services for individuals, small to medium-sized businesses, and professional service organizations.
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It offers demand, NOW, money market, savings, and sweep accounts, as well as certificates of deposit; business and consumer checking, interest-bearing checking, business account analysis, and other depository services; and cash management, wire transfer, check imaging, bill pay, remote deposit capture, and courier services.
The company also provides commercial loans, include government contract receivables, plant and equipment, general working capital, contract administration, and acquisition loans; commercial real estate, real estate construction, and residential real estate loans; and consumer loans comprising term loans and overdraft protection, as well as debit and credit cards.
In addition, it offers deposit insurance solutions; remote deposit of checks; and internet bill payment, online cash management, and online and mobile banking services.
The company operates in Herndon, Fairfax, McLean, Clarendon, Leesburg, Middleburg, Virginia, and Washington D.C., as well as automated teller machines. MainStreet Bancshares, Inc. was formerly known as MainStreet Bank (Fairfax, VA) and changed its name to MainStreet Bancshares, Inc. in July 2016.
The company was incorporated in 2003 and is headquartered in Fairfax, Virginia.
Stock analysis
Mainstreet Bank (MNSB) currently trades at $22.11, while our model-based Fair Value estimate is $23.89, so the stock looks roughly fairly valued today (gap 7.5%).
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Valuation
Bull case: the Multiples group reads highest at a median of $26.21 per share, and 3 of the 6 models we run sit above the $22.11 price.
Bear case: the Dividend Discount group reads lowest at $9.42, and 3 of the 6 models stay below the price. Data coverage for this calculation is high.
Scenario range: $19.66 (bear) to $25.84 (bull), the price of $22.11 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 54/100 (solid quality), in the Financial Services sector.
Mixed Growth: Revenue is growing, but margins or cash flow do not fully confirm the trend.
Mainstreet Bank reported revenue of $136M in FY2025 versus $70.3M in FY2021, a compound +17.9%/yr. Reported net income was $15.6M in FY2025, compounding −8.4%/yr from FY2021.
Key figures
Market cap $162M Micro · P/E ratio 11.3 · P/S ratio 2.27 · EPS (TTM) $1.95 · Dividend yield 0.9% · Net margin 23.0% · Return on equity 7.6% · Return on assets (EBIT) 1.1% (5-year average).
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 57 out of 100 (low confidence).
What moves the price
The share trades about 14% below its 52-week high and 24% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Financial Services peers we cover trades at −28% fair-value upside, at 8%, MNSB screens cheaper than that median.
Fair Value models
All 6 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Insider trades
In the last 6 months, one officer or director sold shares worth $104,400 and none bought.
- SaleRichard Alexander VariChief Financial Officer4,500 shares at $23.20$104,400Jun 4, 2026
- SaleThomas J ChmelikCFO, MainStreet Bancshares Inc, Director3× since Dec 3, 2025: 40,586 shares, avg. $19.93$809,009Dec 9, 2025
- BuyJeff W DickChairman, President and CEO, Director106 shares at $18.99$2,013Nov 24, 2025
- BuyCharles C. BrockettDirector742 shares at $19.02$14,113Nov 24, 2025
Plus 6 other filings such as grants, option exercises or tax withholding. They are not market purchases or sales.
Sales are often planned (taxes, diversification, 10b5-1 plans). Purchases with their own money are seen as the stronger sign. For information only: not part of the quality score or Fair Value.
Source: SEC Form 4, as of Nov 6, 2026. All filings at the SEC ↗
Revenue & earnings trend
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Compare Mainstreet Bank with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Banks - Regional · 996 stocks
Valuation Multiplesvs Banks - Regional median · lower = cheaper
Strength profile in five axes (Snowflake)
HEALTH: for banks, insurers and similar financial firms borrowed money is part of the business, so we do not rate debt here.
Context: sector, industry, market
- Is the Financials sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Price/FCF by industry
- Debt-to-equity by industry
- PEG screener for stocks with fair value
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Banks - Regional stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| Postal Savings Bank of China Co 601658 | ¥5.53 | ¥7.59 | +37% | vs MNSB |
| China Merchants Bank Co 600036 | ¥42.88 | ¥52.73 | +23% | vs MNSB |
| BNP Paribas SA BNP | €91.93 | €106.01 | +15% | vs MNSB |
| Intesa Sanpaolo S.p.A ISP | €6.18 | €4.49 | −27% | vs MNSB |
| State Bank of India SBIN | ₹1,019 | ₹736.65 | −28% | vs MNSB |
| UniCredit S.p.A UCG | €76.80 | €50.44 | −34% | vs MNSB |
| Mizuho Financial Group MFG | $9.40 | $5.89 | −37% | vs MNSB |
| DBS Group D05 | 69.72 SGD | 40.39 SGD | −42% | vs MNSB |
| HDFC Bank Limited HDFCBANK | ₹788.25 | ₹406.39 | −48% | vs MNSB |
| ICICI Bank Limited ICICIBANK | ₹1,571 | ₹615.63 | −61% | vs MNSB |
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Frequently asked questions
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Key figures of Mainstreet Bank
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