X0306 4 2019-03-06 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001685233 Green Louis A. III 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2019-03-06 4 A 0 1439 0.00 A 1439 D Common Stock 98771 D Common Stock 508 D Common Stock 238 D Common Stock 911 I E. Kendall Green Common Stock 759 I FCC Cust Helen S. Green IRA Common Stock 574 I Deutsche Bank Cust Helen S. Green IRA Common Stock 1204 I L. Anderson Green IV Common Stock 217 I Morgan Stanley Cust FBO Louis Anderson Green IV Roth IRA Common Stock 820 I FCC Cust Louis A. Green Roth IRA Common Stock 600 I Louis A. Green IV Common Stock 3597 I FCC Cust Helen S. Green SEP IRA Common Stock 2186 I FCC Cust Louis A. Green III IRA Common Stock 600 I Kendall Green Schell Common Stock 224 I Miller Zatarain Green Common Stock 224 I Merrill McLean Green L A Green IV Cust Common Stock 30 I Kendall Green Schell Custodian FBO Michael Schell Common Stock 30 I Louis Anderson Green V The reported item represents an award of restricted stock which vests in three equal installments beginning on the first anniversary of the March 6, 2019 grant date. The reported item represents an award of restricted stock which vests in three equal installments beginning on the first anniversary of the March 6, 2018 grant date. As of the date of this report, 254 shares have vested. The remaining 508 shares of restricted stock under this award vest on the second and third anniversaries of the March 6, 2018 grant date, or March 6, 2020 and March 6, 2021, respectively. The reported item represents the unvested portion of an award of restricted common stock granted on February 28, 2017. As of the date of this report, 474 shares have vested. The remaining 238 shares of restricted stock under this award vest on the third anniversary of the February 28, 2017 grant date, or February 28, 2020. /s/ Rob Anderson, as Attorney-in-Fact for Louis A. Green III 2019-03-08