UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) Commission file number: 001-32991 WASHINGTON TRUST BANCORP, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 23 Broad Street, Westerly, Rhode Island 02891 (Address of principal executive offices) (Zip Code) Rhode Island 05-0404671 (401) 348-1200 Securities registered pursuant to Section 12(g) of the Act: NONE ...