HUDSON DENNIS S III 4

4 · SEACOAST BANKING CORP OF FLORIDA · Filed Mar 5, 2026

Form 4

Period: 2026-03-04

Director

Transactions

Holdings

Common Stock
[F4]
18,104
Common Stock
[F5]
34,192.993
Common Stock
[F6]
9,356
Common Stock
(indirect: By Trust)
21,867
Common Stock
(indirect: By Partnership)
51,416
Common Stock Right to Buy
[F7][F8]
Exercise: $31.15Exp: 2028-04-02→ Common Stock (55,279 underlying)
55,279
Common Stock Right to Buy
[F7][F8]
Exercise: $28.69Exp: 2027-04-03→ Common Stock (78,021 underlying)
78,021

Footnotes (8)

[F1]Shares sold were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2025
[F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.12 to $31.58. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price for this transaction
[F3]Shares held in Trust
[F4]Shares held jointly with spouse
[F5]Represents shares held in the Company's Retirement Savings Plan as of December 31, 2025
[F6]Held in IRA
[F7]Granted pursuant to the Company's Amended and Restated 2013 Incentive Plan
[F8]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.

Signature

/s/ Dennis S. Hudson, III|2026-03-05

Documents

1 file