What is MainStreet Bancshares, Inc.'s G-SIB surcharge?

MainStreet Bancshares, Inc. (MNSBP) reported G-SIB surcharge of $306.63M in Q4 2025.

How has MainStreet Bancshares, Inc.'s G-SIB surcharge changed year-over-year?

MainStreet Bancshares, Inc.'s G-SIB surcharge increased by 3.4% year-over-year, from $296.58M to $306.63M.

What is the long-term trend for MainStreet Bancshares, Inc.'s G-SIB surcharge?

Over 5 years (2020 to 2025), MainStreet Bancshares, Inc.'s G-SIB surcharge has grown at a 10.1% compound annual growth rate (CAGR), from $189.53M to $306.63M.

MainStreet Bancshares, Inc. MNSBP G-SIB Surcharge

G-SIB Surcharge at other companies

Bank of AmericaBAC

$0.030.0%

Pathfinder BancorpPBHC

——

Other financials

Income statement

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Revenue$573.0K-98.3%

Net income$4.1M+67.1%

EPS (diluted)$0.64—

Balance sheet

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Cash & equivalents$33.0M+79.7%

Total debt$5.9M-8.3%

Total equity$215.0M+2.6%

Total assets$2.2B0.0%

Cash flow

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Operating cash flow$6.6M+355%

CapEx$101.0K+83.6%

Free cash flow$6.5M+366%

Valuation

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Market cap$175.72M+22.1%

P/E10.2×—

P/S1.7×+1.0×

Profitability

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Net margin16.9%+13.3pp

FCF margin15.4%+8.3pp

Returns & leverage

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Return on equity8.1%+5.9pp

Debt / equity0×0.0×

Where this comes from

Reported directly by MainStreet Bancshares, Inc. in its filing.

Tagged under the XBRL concept us-gaap:Capital.

The official record: MainStreet Bancshares, Inc.’s 10-K, filed March 13, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is MainStreet Bancshares, Inc.'s G-SIB surcharge?: MainStreet Bancshares, Inc. (MNSBP) reported G-SIB surcharge of $306.63M in Q4 2025.
How has MainStreet Bancshares, Inc.'s G-SIB surcharge changed year-over-year?: MainStreet Bancshares, Inc.'s G-SIB surcharge increased by 3.4% year-over-year, from $296.58M to $306.63M.
What is the long-term trend for MainStreet Bancshares, Inc.'s G-SIB surcharge?: Over 5 years (2020 to 2025), MainStreet Bancshares, Inc.'s G-SIB surcharge has grown at a 10.1% compound annual growth rate (CAGR), from $189.53M to $306.63M.