FORM 5 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
[ ] Form 3 Holdings Reported
[ ] Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * HUDSON DENNIS S III 2. Issuer Name and Ticker or Trading SymbolSEACOAST BANKING CORP OF FLORIDA [SBCF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chairman & CEO
(Last)         (First)         (Middle)
SEACOAST BANKING CORP. OF FLORIDA,  P.O. BOX 9012
3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY)
12/31/2019 
(Street)
STUART, FL 34995
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed(MM/DD/YYYY)
 
6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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)
Amount (A) or (D) Price
Common Stock               63628  D   
Common Stock               21915  D (1)  
Common Stock               30625.729  D (2)  
Common Stock               18104  D (3)  
Common Stock               5724  D (4)  
Common Stock               224356  I  Held by Sherwood Partners, Ltd., family partnership 
Common Stock               280  I  Held by Spouse as Custodian for son 
Common Stock               31282  I  Held by Spouse in Trust 

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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/YYYY)
7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Common Stock Right to Buy (5) $31.15                (6) 4/2/2028  Common Stock  55279    55279  D   
Common Stock Right to Buy (5) $28.69                (6) 4/3/2027  Common Stock  78021    78021  D   
Common Stock Right to Buy (5) $14.82                (7) 2/28/2024  Common Stock  51956    51956  D   
Common Stock Right to Buy (5) $12.63                (8) 1/29/2023  Common Stock  17975    17975  D   
Common Stock Right to Buy (5) $10.54               4/29/2015 (9) 4/29/2024  Common Stock  50000    50000  D   
Common Stock Right to Buy (5) $11.00               6/28/2014 (10) 6/27/2023  Common Stock  19400    19400  D   

Explanation of Responses:
(1)  Held in Trust
(2)  Represents share equivalents held in the Company's Retirement Savings Plan as of December 31, 2019
(3)  Held jointly with spouse
(4)  Represents unvested time-based restricted stock award granted on December 30, 2019, which shall vest over 3 years in one-third increments, beginning December 30, 2020, and on each anniversary thereafter, subject to continued employment.
(5)  Granted pursuant to Company's 2013 Incentive Plan
(6)  Vests over 3 years in one-third increments each anniversary of the date of grant beginning on the first anniversary of the date of grant (the date indicated), subject to continuous employment on each vesting date and the Company's banking subsidiary meets certain capital requirements.
(7)  Originally has two tiered vesting. Performance criteria was met, and time-based vesting began on 12/1/2016. Option vests in equal installments at the end of each month over the next 48 months, provided that Optionee remains in Continuous Service on each applicable vesting date.
(8)  Two tiered vesting. Performance criteria met and time-based vesting began on 7/1/15. Option vests in equal installments at the end of each month over 48 months, provided Optionee remains in Continuous Service on each applicable vesting date.
(9)  Vests over 3 years in one-third increments on each anniversary of the date of grant beginning on the first anniversary of the date of grant (the date indicated), subject to continued employment.
(10)  Vests over 5 years at the rate of 20% beginning 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.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
HUDSON DENNIS S III
SEACOAST BANKING CORP. OF FLORIDA
P.O. BOX 9012
STUART, FL 34995
X
Chairman & CEO

Signatures
/s/ Dennis S. Hudson, III 2/14/2020
**Signature of Reporting Person Date
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