X0306 4 2018-09-11 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001081893 BOTTORFF DENNIS 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2018-09-11 4 P 0 4667 17.0059 A 231196 D Common Stock 2018-09-12 4 P 0 12433 16.8956 A 243629 D Common Stock 2018-09-13 4 P 0 11900 16.8675 A 255529 D Common Stock 856 D Common Stock 218 D Common Stock 244 D Option (right to buy) 10.00 2020-01-20 Common Stock 6000 6000 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $16.88 to $17.065, inclusive. The reporting undertakes to provide CapStar Financial Holdings, Inc., any security holder of CapStar Financial Holdings, Inc., 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $16.845 to $16.91, inclusive. The reporting undertakes to provide CapStar Financial Holdings, Inc., any security holder of CapStar Financial Holdings, Inc., 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $16.8125 to $17.00, inclusive. The reporting undertakes to provide CapStar Financial Holdings, Inc., any security holder of CapStar Financial Holdings, Inc., 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 range set forth in this footnote. 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, 2018 grant date. The reported item represents the unvested portion of an award of restricted stock granted on February 28, 2017. As of the date of this report, 109 shares have vested. The remaining 218 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 stock granted on March 3, 2016. The remaining 244 shares of restricted stock under this award vest on the third anniversary of the grant date, or March 3, 2019. These options vested in four equal annual installments beginning one year after the November 13, 2008 grant date. /s/ Rob Anderson, as Attorney-in-Fact for Dennis C. Bottorff 2018-09-13