X0306 4 2020-03-04 0 0001676479 CapStar Financial Holdings, Inc. CSTR 0001685232 Smith Stephen Buford 1201 DEMONBREUN STREET, SUITE 700 NASHVILLE TN 37203 1 0 0 0 Common Stock 2020-03-04 4 A 0 2002 0.00 A 2002 D Common Stock 42979 D Common Stock 1070 D Common Stock 244 D Common Stock 3000 I Matthew Carlton Smith Family Trust Common Stock 3000 I Stephen B. Smith Jr. Family Trust The reported item represents an award of restricted stock which vests in three approximately equal installments beginning on the first anniversary of the March 4, 2020 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, 2019 grant date. As of the date of this report, 535 shares have vested. The remaining 1,070 shares of restricted stock under this award vest in equal installments on the second and third anniversaries of the grant date, or March 6, 2021 and March 6, 2022, respectively. 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 488 shares have vested. The remaining 244 shares of restricted stock under this award vest on the third anniversary of the grant date, or March 6, 2021. /s/ Rob Anderson, as Attorney-in-Fact for Stephen B. Smith 2020-03-06