WESTERLY, R.I., Dec. 12, 2024 /PRNewswire/ -- Washington Trust Bancorp, Inc. (Nasdaq: WASH) (the "Corporation"), parent company of The Washington Trust Company, of Westerly (the "Bank"), today announced it has commenced an underwritten public offering of $55,000,000 of the Corporation's common stock. The Corporation also expects to grant the underwriter a 30-day option to purchase up to an additional 15% of the shares of its common stock sold in the offering. BofA Securities is serving as the sole book-runn ...