RESTON, Va.--(BUSINESS WIRE)--John Marshall Bancorp, Inc. (Nasdaq: JMSB) (the "Companyâ€), the parent holding company for John Marshall Bank, today announced that its Board of Directors (the "Board") authorized the extension of the stock repurchase program (the "Stock Repurchase Program") through August 31, 2027, pursuant to which the Company is authorized to purchase up to 700,000 shares of the Company's outstanding common stock. To date, the Company has repurchased 242,150 shares, or $4.5 mill. ...