X0306 4 2019-02-11 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 2019-02-11 4 P 0 1850 16.19 A 6350 I UTMA on behalf of minor child Common Stock 2019-02-11 4 P 0 1850 16.21 A 6350 I UTMA on behalf of minor child Common Stock 936 D Common Stock 596 D Common Stock 471 D Common Stock 118114 D Common Stock 301350 I Bill R. & Katherine Flynn Common Stock 100450 I Timothy Flynn The price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $16.13 to $16.22. The reporting person undertakes to provide to CapStar Financial Holdings, any security holder of CapStar Financial Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $16.20 to $16.22. The reporting person undertakes to provide to CapStar Financial Holdings, any security holder of CapStar Financial Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. 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. 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, 298 shares have vested. The remaining 596 shares of restricted common stock under this award vest on the second and third anniversaries of the February 28, 2017 grant date, or February 28, 2019 and February 28, 2020, respectively. The reported item represents the unvested portion of an award of restricted common stock granted on March 3, 2016. As of the date of this report, 942 shares have vested. The remaining 471 shares of restricted common stock under this award vest on the third anniversary of the March 3, 2016 grant date, or March 3, 2019. 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 2019-02-13