Expanding Net Interest Margin, Resilient Loan Portfolio and Well Capitalized FAIRFAX, Va., April 21, 2025 /PRNewswire/ -- MainStreet Bancshares, Inc. (Nasdaq: MNSB & MNSBP), the financial holding company for MainStreet Bank, reported first quarter net income of 2.5millionwithanetinterestmarginof3.3016.5 million, up 3.9millionfromthepreviousquarterandearningspercommonsharewere0.2 ...