X0306 4 2018-07-27 0 0001539638 Triumph Bancorp, Inc. TBK 0001621665 Sparks C Todd 12700 PARK CENTRAL DRIVE SUITE 1700 DALLAS TX 75251 1 0 0 0 Common Stock 2018-07-27 4 P 0 1000 38.80 A 46169 D Common Stock 2018-07-27 4 P 0 1000 38.74 A 9000 I By Sparco Market Fund Common Stock 2018-07-27 4 P 0 1000 38.70 A 1300 I By Spouse, Trustee for Katherine A. Bowling Trust I Common Stock 272119 I By SBS Equity, LLC Reporting person exercises voting and dispositive control over these shares and disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest. /s/ Adam D. Nelson, Attorney-in-fact 2018-07-30