Sec Form 4 Filing - MUELLER PERRY JR @ PROSPERITY BANCSHARES INC - 2017-04-18

Insider filing report for Changes in Beneficial Ownership
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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
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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1. Name and Address of Reporting Person
MUELLER PERRY JR
2. Issuer Name and Ticker or Trading Symbol
PROSPERITY BANCSHARES INC [ PB]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X __ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle)
203 THAT WAY
3. Date of Earliest Transaction (MM/DD/YY)
04/18/2017
(Street)
LAKE JACKSON, TX77566
4. If Amendment, Date Original Filed (MM/DD/YY)
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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 04/18/2017 A 1,000 A $ 0 6,553 ( 1 ) D
Common Stock 68,141 ( 2 ) I By Special Trust
Common Stock 3,410 ( 3 ) I By Spouse
Common Stock 148,736 ( 4 ) I By IRA
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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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
(MM/DD/YY)
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
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MUELLER PERRY JR
203 THAT WAY
LAKE JACKSON, TX77566
X
Signatures
/s/ Perry Mueller, Jr. 04/19/2017
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Includes 47 shares acquired through the Prosperity Bancshares, Inc. dividend reinvestment plan since the last filing by the reporting person.
( 2 )Includes 961 shares acquired through the Prosperity Bancshares, Inc. dividend reinvestment plan since the last filing by the reporting person.
( 3 )Includes 31 shares acquired through the Prosperity Bancshares, Inc. dividend reinvestment plan since the last filing by the reporting person.
( 4 )Includes 1,932 shares acquired through the Prosperity Bancshares, Inc. dividend reinvestment plan since the last filing by the reporting person.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).

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