X0306 4 2019-09-09 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001685231 Flynn Thomas R. 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2019-09-09 4 P 0 32447 15.41 A 151642 D Common Stock 1666 D Common Stock 624 D Common Stock 298 D Common Stock 2019-09-09 4 P 0 32446 15.41 A 333796 I Bill R. & Katherine Flynn Common Stock 2019-09-09 4 P 0 32447 15.41 A 132897 I Timothy Flynn Common Stock 6350 I UTMA on behalf of minor child Common Stock 6350 I UTMA on behalf of minor child The reported item represents an award of restricted stock which vests in three approximately equal installments beginning on the first anniversary of the March 6, 2019 grant date. The reported item represents an award of restricted stock which vests in three equal installments beginning on the first anniversary of the March 6, 2018 grant date. As of the date of this report, 312 shares have vested. The remaining 624 shares of restricted stock under this award vest in equal installments on the second and third anniversaries of the grant date, or March 6, 2020 and March 6, 2021, respectively. The reported item represents the unvested portion of an award of restricted common stock which was granted on February 28, 2017. As of the date of this report, 596 shares have vested. The remaining 298 shares of restricted common stock under this award vest on the third anniversary of the February 28, 2017 grant date, or February 28, 2020. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. /s/ Rob Anderson, as Attorney-in-Fact for Thomas R. Flynn 2019-09-11