Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  STRAKA DONALD J
2. Date of Event Requiring Statement (Month/Day/Year)
02/22/2018
3. Issuer Name and Ticker or Trading Symbol
Great Western Bancorp, Inc. [GWB]
(Last)
(First)
(Middle)
C/O GREAT WESTERN BANCORP, INC., 225 SOUTH MAIN AVENUE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
General Counsel and Secretary
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SIOUX FALLS, SD 57104
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $0.01 per share 2,074
D
 
Common Stock, par value $0.01 per share 200
I
IRA

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units - 2015   (1)   (1) Common Stock, par value $0.01 per share 109 $ (2) D  
Restricted Stock Units - 2016   (3)   (3) Common Stock, par value $0.01 per share 212 $ (2) D  
Restricted Stock Units - 2017   (4)   (4) Common Stock, par value $0.01 per share 304 $ (2) D  
Restricted Stock Units (2017 STI)   (5)   (5) Common Stock, par value $0.01 per share 359 $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
STRAKA DONALD J
C/O GREAT WESTERN BANCORP, INC.
225 SOUTH MAIN AVENUE
SIOUX FALLS, SD 57104
      General Counsel and Secretary  

Signatures

Donald J. Straka 03/02/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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 restricted stock units vest in three annual equal installments beginning on December 4, 2016. The restricted stock units have no expiration date.
(2) 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.
(3) The restricted stock units vest in three annual equal installments beginning on December 2, 2017. The restricted stock units have no expiration date.
(4) The restricted stock units vest in three equal installments beginning on December 1, 2018. The restricted stock units have no expiration date.
(5) The restricted stock units vest on December 1, 2018. The restricted stock units have no expiration date.

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