Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION FORM 10-Q (Mark One) Washington, D.C. 20549 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission File Number 333-258176 FIRSTSUN CAPITAL BANCORP (Exact name of registrant as specified in its charter) (State or other jurisdiction ...