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) | RHODE ISLAND | 05-0404671 | | --- | --- | | (State or other jurisdiction of incorporation or | (I.R.S. Employer Identification No.) | | organization) | | | 23 BROAD STREET, WESTERLY, RHODE | 02891 | | ISLAND | | | (Address of principal executive offices) | (Zip Code) | | Registrant's telephone numb ...