X0306 4 2018-04-25 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001336915 Tietz Christopher G 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 0 1 0 0 See Remarks Common Stock 2018-04-25 4 A 0 1650 0.00 A 1650 D Common Stock 5067 D Common Stock 2033 D Employee Stock Option (right to buy) 13.22 2026-03-02 Common Stock 25000 25000 D The reported item represents an award of restricted stock which vests in three equal installments beginning on the first anniversary of the April 25, 2018 grant date. The reported item includes an initial award of 5,000 shares of restricted stock which vests in full on the third anniversary of the March 2, 2016 grant date, The reported item also represents the unvested portion of an award of 100 shares of restricted stock granted on September 1, 2016. As of the date of this report, 33 shares have vested and the remaining 67 shares of restricted stock under this award vest on the second and third anniversaries of the September 1, 2016 grant date, or September 1, 2018 and September 1, 2019, respectively. The reported item represents an award of options which vests in four equal annual installments beginning on the first anniversary of the March 2, 2016 grant date. Chief Credit Officer of CapStar Bank /s/ Rob Anderson, as Attorney-in-Fact for Christopher G. Tietz 2018-04-27