X0306 4 2019-09-09 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001472966 Cunningham Jeffrey L 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2019-09-09 4 P 0 6489 15.41 A 214881 D Common Stock 124959 I Individual Retirement Account Since the date of the reporting person's last report, 32,171 shares previously owned through the Athens ESOP and 90,712 shares previously owned through the Athens 401(k) plan have been transferred into an Individual Retirement Account. Accordingly, the transfer of shares to the Individual Retirement Account effected only a change in the form of beneficial ownership without changing the reporting person's pecuniary interest in such shares and is therefore exempt from Section 16 of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16a-13 promulgated thereunder. /s/ Rob Anderson, as Attorney-in-Fact for Jeffrey L. Cunningham 2019-09-11