X0306 4 2017-12-19 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 2017-12-19 4 A 0 15000 0.00 A 15000 D Common Stock 15000 D Common Stock 3312 D Common Stock 1978 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 common stock which vests in three equal installments beginning on the first anniversary of the December 19, 2017 grant date. The reported item represents the unvested portion of an award of restricted stock granted on February 27, 2015. The 15,000 shares of restricted common stock under this award vest in full on the third anniversary of the grant date, or February 27, 2018. The reported item represents the unvested portion of an award of restricted stock granted on March 2, 2016. The remaining 3,312 shares of restricted common stock under this award vest in equal installments on the second and third anniversaries of the grant date, or March 2, 2018 and March 2, 2019, respectively. 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, 33 shares have vested. The remaining shares of restricted common stock under this award vest on the second and third anniversaries of the grant date, or September 1, 2018 and September 1, 2019, respectively. These options vested in four equal annual installments beginning on the first anniversary of the December 10, 2012 grant date. These options 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, 15,000 options have vested. The remaining 15,000 options vest on the third and fourth anniversaries of the grant date, or February 27, 2018 and February 27, 2019, respectively. Chief Financial Officer and Chief Administrative Officer /s/ Robert B. Anderson 2018-01-08