MainStreet Bancshares, Inc.

For the period ended Dec 31, 2025. Filed Mar 13, 2026.

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 13, 2026

MNSB$21.90-0.9%Stored close · as of Nov 9, 2026

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Contents

Item 2. Properties

As of December 31, 2025, the net book value of our office properties was $11.7 million, and the net book value of our furniture, fixtures and equipment was $1.5 million. The following table sets forth information regarding our offices.

Net Book Value
	Leased or	Year Acquired	of Real
Location	Owned	or Leased	Property
(In thousands)
Headquarters:
10089 Fairfax Blvd.
Fairfax, VA 22030	Owned	2010	$6,839
Other Properties:
Herndon Branch
727 Elden Street	Leased	2004	—
Herndon, VA 20170
Operations Center
22980 Shaw Road	Leased	2021	—
Sterling, VA, 20166
Middleburg Branch
10 N. Pendleton Street	Owned	2025	1,067
Middleburg, VA 20117
McLean Branch
1354 Old Chain Bridge Road	Owned	2014	1,206
McLean, VA 22101
Clarendon Branch
1000 N. Highland Street	Owned	2009	427
Arlington, VA 22201
Leesburg Branch
307 E. Market Street	Owned	2017	2,134
Leesburg, VA 20176
Washington D.C. Branch
1130 Connecticut Avenue, N.W.	Leased	2019	—
Washington , D.C. 20036

We believe that current facilities are adequate to meet our present and foreseeable needs, subject to possible future expansion. See Note 7 of Notes to the December 31, 2025, Consolidated Financial Statements, for additional disclosures related to the Company’s properties.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.