FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Graft Aaron P   2. Issuer Name and Ticker or Trading Symbol Triumph Bancorp, Inc. [TBK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) 12700 PARK CENTRAL DRIVE, SUITE 1700 3. Date of Earliest Transaction (Month/Day/Year) 05/01/2018 (Street) DALLAS, TX 75251 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/01/2018   A   3,323 (1) A $ 0 480,291 (2) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Options (3)

$ 38.75

05/01/2018

A

9,739

(4)

05/01/2028

Common Stock

9,739

$ 0

9,739

D

Employee Stock Options (3)

$ 25.8

(4)

04/01/2027

Common Stock

11,883

11,883

D

Employee Stock Options (3)

$ 15.87

(4)

04/01/2026

Common Stock

16,434

16,434

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Graft Aaron P 12700 PARK CENTRAL DRIVE SUITE 1700 DALLAS, TX 75251	X		President & CEO

Signatures

/s/ Adam D. Nelson, Attorney-in-fact		05/03/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares of restricted common stock of Issuer granted to the reporting person under Issuer's 2014 Omnibus Incentive Plan. One fourth (rounded down to the nearest whole share, as applicable) of such shares shall vest on each of the first four anniversaries of the date of grant.
(2)	Consists of (i) 470,928 shares beneficially owned by reporting person, and (ii) 9,363 shares of restricted stock of the reporting person subject to future time vesting requirements.
(3)	Represents non-qualified stock options of Issuer granted to reporting person under Issuer's 2014 Omnibus Incentive Plan.
(4)	Exercise of the employee stock option is subject to vesting over four years from the date of grant, with one fourth of such options becoming exercisable on each of the first four anniversaries of the date of grant.

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