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 *
  THOMPSON MARK WILSON
 2. Date of Event Requiring Statement (Month/Day/Year)
10/06/2017		 3. Issuer Name and Ticker or Trading Symbol
CenterState Bank Corp [CSFL]
(Last)
(First)
(Middle)
1101 FIRST STREET SOUTH, SUITE 202		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
BANK PRESIDENT
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WINTER HAVEN, FL 33880		 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 16,644
D
 

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
Qualified Incentive Stock Option   (1) 02/05/2018 Common Stock 3,000 $ 15.16 D  
Qualified Incentive Stock Option   (2) 06/08/2022 Common Stock 5,000 $ 6.78 D  
Restricted Stock Grants   (3) 06/08/2022 Common Stock 2,500 $ 6.78 D  
Restricted Stock Grants   (4) 07/18/2018 Common Stock 1,000 $ 10.22 D  
Restricted Stock Grants   (5) 01/01/2018 Common Stock 1,685 $ 14.21 D  
Restricted Stock Grants   (6) 01/01/2019 Common Stock 1,264 $ 24.42 D  
Restricted Stock Units   (7) 01/01/2020 Common Stock 1,237 $ 18 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
THOMPSON MARK WILSON
1101 FIRST STREET SOUTH, SUITE 202
WINTER HAVEN, FL 33880		       BANK PRESIDENT

Signatures

Jennifer L. Idell, CFO, pursuant to power of attorney 10/06/2017
**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) Options issued on 2/5/08 pursuant to Incentive Stock Option Plan and fully exercisable. Options expire on 2/5/18.
(2) Five thousand options issued on 6/8/12 pursuant to Incentive Stock Option Plan. Exercisable at a rate of 10% per year for eight years and the remaining 20% after the ninth year. Ten year term.
(3) Pursuant to the restricted stock agreement, common shares will vest at a rate of 500 shares every June 8th during the years 2018 through 2022.
(4) Pursuant to the restricted stock agreement, common shares will vest on 7/18/18.
(5) Restricted stock grant issued pursuant to 2013 Equity Incentive Plan. Vesting date is 1/1/18, subject to certain contingencies.
(6) Restricted stock grant issued pursuant to 2013 Equity Incentive Plan. Vesting date is 1/1/19, subject to certain contingencies.
(7) Number of time vested Restricted Share Units ("RSU") awarded on 9/12/16. The awards will vest at a rate of one third on each January 1st, 2018, 2019 and 2020. There is a two year holding period after each vested date. The units are exchangeable with the company's common stock at the exchange rate of 1 for 1 after the vesting date and holding period.

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