Page 1

( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ΤΟ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K Texas ( State or other jurisdiction of incorporation or organization ) 12700 Park Central Drive , Suite 1700 Dallas , TX ( Address of principal executive offices ) Commission File Number 001-36722 TRIUMPH BANCORP , INC . ( Exact name of Registrant as specified in its Charter ) Large Accelerated Filer Non - accelerated Filer Emerging Growth Company 20-0477066 ( I.R.S. Employer Identification No. ) SECURITIES REGISTERED PURSUANT TO SECTION 12 ( B ) OF THE ACT : Title of Class : Trading Symbol ( s ) Common Stock , Par Value $ 0.01 Per Share Depositary Shares Each Representing a 1 / 40th Interest in a Share of 7.125 % Series C Fixed - Rate Non - Cumulative Perpetual Preferred Stock , par value $ 0.01 per share TBK ТВКСР > ☐ ☐ 75251 ( Zip Code ) X Registrant's telephone number , including area code : ( 214 ) 365-6900 SECURITIES REGISTERED PURSUANT TO SECTION 12 ( G ) OF THE ACT : None Indicate by check mark if the Registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes > No Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes No > Indicate by check mark whether the Registrant : ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the Registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Name of Exchange on Which Registered : NASDAQ NASDAQ Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the Registrant was required to submit such files ) . Yes No Indicate by check mark whether the Registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of “ large accelerated filer ” , “ accelerated filer ” , “ smaller reporting company ” , and “ emerging growth company " in Rule 12b - 2 of the Exchange Act . Accelerated Filer Smaller Reporting Company ロロ If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . ■ Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the Registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of the shares of common stock held by non - affiliates based on the closing price of the common stock on the NASDAQ Global Market on June 30 , 2020 was approximately $ 536,944,000 . The number of shares of Registrant's Common Stock outstanding as of February 9 , 2021 was 24,878,009 . Portions of the Registrant's Definitive Proxy Statement relating to the Annual Meeting of Stockholders , which will be filed within 120 days after December 31 , 2020 , are incorporated by reference into Part III of this Report .