How many insider trades does FilingIQ track for MNSB?

FilingIQ tracks 251 Form 4 insider transactions for MNSB (MainStreet Bancshares, Inc.), covering filings from Feb 6, 2020 onwards. 13 of those were filed in the last 90 days.

Are MNSB insiders net buyers or net sellers?

Across the full Form 4 history for MNSB, 108 transactions (43%) were open-market purchases and 16 (6%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does MNSB insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is MNSB in?

MainStreet Bancshares, Inc. (MNSB) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $169.42M.

MNSB insider trading

Financial Services

MainStreet Bancshares, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

251

Last 90 days

Buys / sells

43% / 6%

Market cap

$169.42M

About MainStreet Bancshares, Inc.

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. The company 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. It 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, the company offers deposit insurance solutions; remote deposit of checks; and internet bill payment, online cash management, and online and mobile banking services. It operates in Herndon, Fairfax, McLean, Leesburg, Clarendon, 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.

Company website: mstreetbank.com

MNSB insider activity at a glance

FilingIQ has scored 251 insider transactions for MNSB since Feb 6, 2020. The most recent filing in our index is dated Apr 3, 2026.

Across the full history, 108 open-market purchases and 16 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on MNSB insider trades is 45.2/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live MNSB trades on FilingIQ Raw filings on SEC EDGAR

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CRCL 178

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TRUP 156

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PEAPACK GLADSTONE FINANCIAL CORP

SLDE 150

Slide Insurance Holdings, Inc.

Frequently asked

How many insider trades does FilingIQ track for MNSB?: FilingIQ tracks 251 Form 4 insider transactions for MNSB (MainStreet Bancshares, Inc.), covering filings from Feb 6, 2020 onwards. 13 of those were filed in the last 90 days.
Are MNSB insiders net buyers or net sellers?: Across the full Form 4 history for MNSB, 108 transactions (43%) were open-market purchases and 16 (6%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MNSB insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MNSB in?: MainStreet Bancshares, Inc. (MNSB) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $169.42M.

Methodology & sources

Every MNSB insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.