MainStreet Bancshares, Inc. Exceeds $1 Billion in Assets PR Newswire FAIRFAX, Va., Oct. 26, 2018 FAIRFAX, Va. , Oct. 26, 2018 /PRNewswire/ -- MainStreet Bancshares, Inc. (OTCQX: MNSB) (the "Company") reports total assets of $1.06 billion at September 30, 2018 , as compared to $705.5 million at September 30, 2017 , an increase of 50%. The Company remains strongly capitalized. The Company reported net income of $5.5 million for the nine months ended September 30, 2018 , an increase of 77%, as...