How many insider trades does FilingIQ track for JMSB?

FilingIQ tracks 412 Form 4 insider transactions for JMSB (John Marshall Bancorp, Inc.), covering filings from May 2, 2022 onwards. 0 of those were filed in the last 90 days.

Are JMSB insiders net buyers or net sellers?

Across the full Form 4 history for JMSB, 110 transactions (27%) were open-market purchases and 221 (54%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does JMSB 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 JMSB in?

John Marshall Bancorp, Inc. (JMSB) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $282.99M.

JMSB insider trading

NasdaqCM Financial Services

John Marshall Bancorp, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

412

Last 90 days

Buys / sells

27% / 54%

Market cap

$282.99M

About John Marshall Bancorp, Inc.

John Marshall Bancorp, Inc. operates as the bank holding company for John Marshall Bank that provides banking products and financial services in Arlington, Fairfax, Loudoun, Prince William, Montgomery, District of Columbia. The company offers checking, NOW, money market accounts, and savings accounts; certificates of deposit; and time, reciprocal IntraFi Demand, IntraFi Money Market, and IntraFi CD deposits. It also offers commercial real estate loans, residential and commercial construction and development loans, commercial and industrial loans, and residential mortgage loans; commercial term loans and lines of credit; U.S. small business administration; mortgage loan; and other loans, such as financing of equipment, receivables, contract administration expenses, and automobile financing. In addition, the company provides debit and credit cards; treasury and cash management services; business and personal insurance; and online and mobile banking with bill pay, sweep accounts, wire transfer, and check imaging and remote deposit capture services; and U.S. treasury bonds, government agency securities, and mortgage-backed securities. It serves small to medium-sized businesses, their owners and employees, professional corporations, non-profits, and individuals. The company was formerly known as John Marshall Bank and changed its name to John Marshall Bancorp, Inc. in March 2017. John Marshall Bancorp, Inc. was founded in 2005 and is headquartered in Reston, Virginia.

Company website: www.johnmarshallbank.com

JMSB insider activity at a glance

FilingIQ has scored 412 insider transactions for JMSB since May 2, 2022. The most recent filing in our index is dated Dec 19, 2025.

Across the full history, 110 open-market purchases and 221 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 JMSB insider trades is 47.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live JMSB trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for JMSB?: FilingIQ tracks 412 Form 4 insider transactions for JMSB (John Marshall Bancorp, Inc.), covering filings from May 2, 2022 onwards. 0 of those were filed in the last 90 days.
Are JMSB insiders net buyers or net sellers?: Across the full Form 4 history for JMSB, 110 transactions (27%) were open-market purchases and 221 (54%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does JMSB 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 JMSB in?: John Marshall Bancorp, Inc. (JMSB) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $282.99M.

Methodology & sources

Every JMSB 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.