Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form 10-Q ☒ Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended March 31, 2021 or ☐ Transition report pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934 for the transition period from 001-36388 (Commission File Number) PEOPLES FINANCIAL SERVICES CORP. (Exact name of registrant as specified in its charter) Pennsylvania 23-2391852 (Stat ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36388 Peoples Financial Services Corp. (Exact name of registrant as specified in its charter) Pennsylvania 23-2391852 S ...