YOSE STEPHEN W. (EVP & Chief Credit Officer) exercised options at GREAT WESTERN BANCORP, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

YOSE STEPHEN W.

Filed: 5/12/2021ACC: 0001613665-21-000033

InsiderYOSE STEPHEN W.CIK 1671409

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IssuerGREAT WESTERN BANCORP, INC.CIK 1613665

Officer· EVP & Chief Credit Officer

Since May 2020

-1.71K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

5.60K acquired · 7.31K disposed

Non-Derivative Transactions2

Common Stock, par value $0.01 per share

Direct

M · Option Exercise

+5.60K

Price / share

—

Trade value

—

% of position

New position

5/11/2021

0.00→5.60K

Common Stock, par value $0.01 per share

Direct

F · Tax Withholding

−1.71K

Price / share

—

Trade value

—

% of position

30.6%

5/11/2021

5.60K→3.89K

Total

Net shares

+3.89K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, par value $0.01 per share Direct	5/11/2021	M · Option Exercise	+5.60K	—	—	New position	0.00	5.60K
Common Stock, par value $0.01 per share Direct	5/11/2021	F · Tax Withholding	−1.71K	—	—	30.6%	5.60K	3.89K
Total			+3.89K		$0.00

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock, par value $0.01 per share

5.60K shares

−5.60K

Strike price

Held after

5.60K

Exercisable

—

5/11/2021

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock, par value $0.01 per share5.60K shares	5/11/2021	M · Option Exercise	−5.60K		—	5.60K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)2

Restricted Stock Units Feb 2021

Direct

Underlying security

Common Stock, par value $0.01 per share

Underlying shares

4.12K

Shares owned

4.12K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units - 2020

Direct

Underlying security

Common Stock, par value $0.01 per share

Underlying shares

5.43K

Shares owned

5.43K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

9.56K

Owned

9.56K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Feb 2021 Direct	Common Stock, par value $0.01 per share	—	—	4.12K	4.12K
Restricted Stock Units - 2020 Direct	Common Stock, par value $0.01 per share	—	—	5.43K	5.43K
Total				9.56K	9.56K