X0306 4 2019-01-23 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001685230 Anderson Robert B. 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 0 1 0 0 See Remarks Common Stock 2019-01-23 4 A 0 2734 0.00 A 2734 D Common Stock 23706 D Common Stock 10000 D Common Stock 1656 D Options (right to buy) 12.27 2022-12-20 Common Stock 50000 50000 D Options (right to buy) 11.41 2025-02-27 Common Stock 30000 30000 D The reported item represents an award of restricted stock which vests in three equal installments beginning on the first anniversary of the January 23, 2019 grant date. The reported item includes the unvested portion of an award of 100 shares of restricted stock granted on September 1, 2016. As of the date of this report, 66 shares have vested. The remaining 34 shares of restricted stock under this award vest on the third anniversary of the grant date, or September 1, 2019. The reported item represents the unvested portion of an award of restricted stock granted on December 19, 2017. The remaining 10,000 shares of restricted stock under this award vest on the second and third anniversary of the grant date, or December 19, 2019 and December 19, 2020, respectively. The reported item represents the unvested portion of an award of restricted stock granted on March 2, 2016. The remaining 1,656 shares of restricted common stock under this award vest on the third anniversary of the grant date, or March 2, 2019. The reported item represents options which vest in four equal annual installments beginning on the first anniversary of the December 10, 2012 grant date. The reported item represents options which vest in four equal annual installments beginning on the first anniversary of the February 27, 2015 grant date. As of the date of this report, 22,500 options have vested. The remaining 7,500 options vest on the fourth anniversary of the grant date, or February 27, 2019. Chief Financial Officer and Chief Administrative Officer /s/ Robert B. Anderson 2019-01-30