JMSB · CIK 0001710482
What John Marshall Bancorp, Inc. told the SEC could break it.
John Marshall Bancorp's disclosures center on how tightly it is bound to one region and the federal economy that drives it. Most of its activity is in the Washington, D.C. metro area, and real-estate loans — commercial, construction, and residential — made up 97% of its loan portfolio, concentrating credit risk in that single property market. Its funding leans on a small set of large depositors (its ten largest relationships were 16.7% of deposits, including high-balance municipal accounts) that can swing substantially, and its D.C. footprint heightens federal-shutdown risk: a shutdown can stall SBA lending and impair borrowers reliant on federal salaries, contracts, and reimbursements.
3 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Geographic concentration
- Washington D.C. metro market and real-estate loan concentration (97%)high
Most of John Marshall's activity is in the Washington, D.C. metro area and real-estate loans were 97% of its loan portfolio, concentrating credit risk in one region's property market.
“Most of the Company's activities are with customers located in the Washington, D.C. metropolitan area. Real estate loans, including commercial, construction and land development, and residential loans, represented 97 % of the total loan portfolio at both December 31, 2025 and December 31, 2024.”
SEC filing →As of 2026
Liquidity & debt
- deposit concentration among a few large depositors (incl. municipal)medium
John Marshall relies on a small number of large depositors — its 10 largest relationships were 16.7% of deposits (including high-balance municipal deposits) — and these can fluctuate substantially, creating funding/liquidity risk.
“Our 10 largest depositor relationships accounted for approximately 16.7% of our deposits at December 31, 2025. Our largest depositor relationship accounted for approximately 3.6% of our deposits at December 31, 2025.”
SEC filing →As of 2026
Regulatory & policy
- federal government shutdown exposure (DC-area borrowers and SBA lending)medium
A federal government shutdown can curtail SBA and other agency activity (delaying loan originations and approvals) and impair DC-area borrowers who depend on federal salaries, contracts and reimbursements — a heightened risk given John Marshall's Washington, D.C. footprint.
“A shutdown may also impair the financial capacity of borrowers who depend on federal salaries, contracts, reimbursements, or benefit programs, including government employees, federal contractors”
SEC filing →As of 2026
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