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 * PEDERSON ANDREW JAMES   2. Issuer Name and Ticker or Trading Symbol Great Western Bancorp, Inc. [GWB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Head of P&C and L&D (Last) (First) (Middle) C/O GREAT WESTERN BANCORP, INC., 225 SOUTH MAIN AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 12/04/2018 (Street) SIOUX FALLS, SD 57104 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, par value $0.01 per share 12/04/2018   M   82 A $ 0 3,921 D   Common Stock, par value $0.01 per share 12/04/2018(1)   A   361 A $ 0 4,282 D   Common Stock, par value $0.01 per share 12/04/2018(2)   F   21 D $ 34.51 4,261 D   Common Stock, par value $0.01 per share 12/04/2018(3)   F   89 D $ 34.51 4,172 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Restricted Stock Units - 2015	(4)	12/04/2018		M			82	(5)	(5)	Common Stock, par value $0.01 per share	82	$ 0	0	D
Restricted Stock Units - 2016	(4)							(6)	(6)	Common Stock, par value $0.01 per share	191		191	D
Restricted Stock Units - 2017	(4)							(7)	(7)	Common Stock, par value $0.01 per share	407		407	D
Restricted Stock Units - 2018	(4)							(8)	(8)	Common Stock, par value $0.01 per share	670		670	D
Restricted Stock Units (2018 STI)	(4)							(9)	(9)	Common Stock, par value $0.01 per share	438		438	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PEDERSON ANDREW JAMES C/O GREAT WESTERN BANCORP, INC. 225 SOUTH MAIN AVENUE SIOUX FALLS, SD 57104			Head of P&C and L&D

Signatures

Donald J. Straka, as attorney-in-fact for Andrew James Pederson		12/06/2018
**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)	The vesting and issuance of performance stock units granted in December 2015 and based on the achievement of pre-established performance objectives over a three year period ended September 30, 2018.
(2)	The units representing these shares were surrendered to satisfy tax withholding obligations on the vesting of restricted stock unit awards.
(3)	The units representing these shares were surrendered to satisfy tax withholding obligations on the vesting of performance stock unit awards.
(4)	Each restricted stock unit represents a contingent right to receive one share of the common stock, par value $0.01 per share, of Great Western Bancorp, Inc.
(5)	The restricted stock units vest in three annual equal installments beginning on December 4, 2016. The restricted stock units have no expiration date.
(6)	The restricted stock units vest in three annual equal installments beginning on December 2, 2017. The restricted stock units have no expiration date.
(7)	The restricted stock units vest in three equal installments beginning on December 1, 2018. The restricted stock units have no expiration date.
(8)	The restricted stock units vest in three annual installments beginning on November 30, 2019. The restricted stock units have no expiration date.
(9)	The restricted stock units vest on November 30, 2019. The restricted stock units have no expiration date.

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