Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2020 or ☐ Transaction report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission file number: 000-49883 PLUMAS BANCORP (Exact name of Registrant as specified in its charter) Indicate by check mark if the registrant is a well-known seasoned issuer, as defin ...