X0306 4 2018-08-01 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001685110 Turner James S. Jr. 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2018-08-01 4 X 0 7000 10.00 A 264614 D Common Stock 1010 D Common Stock 611 D Common Stock 519 D Common Stock 127007 I James S. Turner Common Stock 127007 I Judith P. Turner Common Stock 75643 I Family Private Trust LLC TTEE The Katherine Rose Turner 1997 Grandchilds Trust Common Stock 75643 I Family Private Trust LLC TTEE The James Stephen Turner III 2000 Grandchilds Trust Option (right to buy) 10.00 2018-08-01 4 X 0 7000 0.00 D 2018-11-13 Common Stock 7000 0 D Option (right to buy) 10.00 2020-01-20 Common Stock 6000 6000 D 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, 305 shares have vested. The remaining 611 shares of restricted stock under this award vest in approximately equal installments on the second and third anniversaries of the grant date, or February 28, 2019 and February 28, 2020, respectively. 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. 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, 1,037 shares have vested. The remaining 519 shares of restricted common stock under this award vest on the third anniversary of the March 3, 2016 grant date, or March 3, 2019. These options vested in four equal annual installments beginning one year after the November 13, 2008 grant date. These options vested in four equal annual installments beginning one year after the January 20, 2010 grant date. /s/ Rob Anderson, as Attorney-in-Fact for James S. Turner, Jr. 2018-08-03