Sec Form 4/A Filing - HAHL WILLIAM R @ SEACOAST BANKING CORP OF FLORIDA - 2016-02-29

FORM 4/A 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 HAHL WILLIAM R 2. Issuer Name and Ticker or Trading Symbol SEACOAST BANKING CORP OF FLORIDA [ SBCF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Exec. VP & former CFO (Last) (First) (Middle) SEACOAST BANKING CORP. OF FLORIDA, P.O. BOX 9012 3. Date of Earliest Transaction (MM/DD/YY) 02/29/2016 (Street) STUART, FL34995 4. If Amendment, Date Original Filed (MM/DD/YY) 03/02/2016 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 02/29/2016 A( 1 ) 33,159 A $ 0 ( 1 ) 33,159 D ( 1 ) Common Stock 10,839.8 D ( 2 ) Common Stock 12,318 D ( 3 ) Common Stock 649 D ( 4 ) Common Stock 20 D Common Stock 78 I Held as custodian for grandchildren

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 Common Stock Right to Buy ( 5 ) $ 11 06/28/2014( 6 ) 06/27/2023 Common Stock 5,000 5,000 D Stock Settled Stock Appreciation Rights ( 7 ) $ 111.1 04/02/2012( 8 ) 04/02/2017 Common Stock 3,909 3,909 D Stock Settled Stock Appreciation Rights ( 7 ) $ 133.6 05/16/2011( 8 ) 05/16/2016 Common Stock 1,470 1,470 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HAHL WILLIAM R SEACOAST BANKING CORP. OF FLORIDA P.O. BOX 9012 STUART, FL34995 Exec. VP & former CFO Signatures /s/ Sharon Mehl as Power of Attorney for William R. Hahl 09/01/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares subject to performance-based restricted stock units ("PSUs") granted on June 28, 2013, that were subject to performance requirements over a period ending December 31, 2015. On Feb. 29, 2016, the Company's Compensation Committee certified the number of shares attained based on the performance criteria. These shares now vest in one-third increments each year on Dec. 31, 2016, 2017 and 2018, provided the recipient remains in continuous service with the Company on each such vesting date. ( 2 )Held jointly with spouse ( 3 )Represents unvested shares in performance based restricted stock award granted under Seacoast's 2008 Long-Term Incentive Plan on August 23, 2011 ("Grant Date"). These shares vest on the fifth anniversary of the Grant Date, provided Mr. Hahl is employed by the Company or a subsidiary on such date. ( 4 )Held in IRA ( 5 )Granted pursuant to Seacoast Banking Corporation of Florida's 2013 Incentive Plan ( 6 )Vests over 5 years at the rate of 20% on the first anniversary of the date of grant (the date indicated) and then at the rate of 20% on each of the following four anniversaries thereafter, subject to continued employment. ( 7 )Grant pursuant to Seacoast Banking Corporation of Florida's 2000 Long-Term Incentive Plan ( 8 )Date fully vested

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