X0306 4 2020-03-04 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 2020-03-04 4 A 0 2116 0.00 A 2116 D Common Stock 152807 D Common Stock 1111 D Common Stock 312 D Common Stock 333796 I Bill R. & Katherine Flynn Common Stock 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 4, 2020 grant date. 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. As of the date of this report, 550 shares have vested. The remaining 1,111 shares of restricted stock under this award vest in equal installments on the second and third anniversaries of the grant date, or March 6, 2021 and March 6, 2022, respectively. 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, 624 shares have vested. The remaining 312 shares of restricted stock under this award vest on the third anniversary of the grant date, or March 6, 2021. 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 2020-03-06