0001950047-26-006716.txt : 20260701 0001950047-26-006716.hdr.sgml : 20260701 20260701163006 ACCESSION NUMBER: 0001950047-26-006716 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20260701 DATE AS OF CHANGE: 20260701 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SEACOAST BANKING CORP OF FLORIDA CENTRAL INDEX KEY: 0000730708 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance EIN: 592260678 STATE OF INCORPORATION: FL FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-13660 FILM NUMBER: 261145640 BUSINESS ADDRESS: STREET 1: 815 COLORADO AVE STREET 2: P O BOX 9012 CITY: STUART STATE: FL ZIP: 34994 BUSINESS PHONE: 772 288 6063 MAIL ADDRESS: STREET 1: 815 COLORADO AVE STREET 2: P O BOX 9012 CITY: STUART STATE: FL ZIP: 34995 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: HUDSON DENNIS S III CENTRAL INDEX KEY: 0001078596 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 815 COLORADO AVENUE STREET 2: P O BOX 9012 CITY: STUART STATE: FL ZIP: 34995-9012 144 1 primary_doc.xml 144 0001078596 XXXXXXXX LIVE 0000730708 SEACOAST BANKING CORPORATION OF FLORIDA 000-13660 815 Colorado Avenue Stuart FL 34994 (772) 287-4000 DENNIS S HUDSON III REVOCABLE U/A DTD 04/26/2000 Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

4000 136000.00 97246772 07/01/2026 NASDAQ Common 02/22/2019 Performance Shares ISSUER N 73 02/22/2019 Not Applicable Common 12/19/2023 Exercised Shares ISSUER N 3927 12/19/2023 Cash N DENNIS S HUDSON III REVOCABLE U/A DTD 04/26/2000

815 Colorado Avenue Stuart FL 34994

Common 06/16/2026 8000 251316.80 07/01/2026 11/21/2025 /s/ Dennis S. Hudson, III