What indirect and plan-related Seacoast Banking (SBCF) holdings are reported for Dennis S. Hudson III?

The filing lists common stock held in a company Retirement Savings Plan as of December 31, 2025, stock held in trusts, an IRA, shares held jointly with his spouse, and additional indirect holdings through a family partnership, Sherwood Partners, Ltd.

Seacoast director sells 8,000 SBCF shares

Accepted by SEC EDGAR 03/05/2026 - 05:01 PM EST

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Rhea-AI Filing Summary

Seacoast Banking Corp of Florida director Dennis S. Hudson III reported an open-market sale of 8,000 shares of common stock on March 4, 2026 at a weighted average price of $31.34 per share, executed under a Rule 10b5-1 trading plan adopted on November 21, 2025.

After this transaction, he directly held 236,854 shares of common stock. The filing also lists additional direct and indirect interests, including stock rights and shares held in a retirement savings plan as of December 31, 2025, as well as holdings in trusts, an IRA, joint accounts, and a family partnership.

Insider Trade Summary

Net Seller: 8,000 shares

Net Sell 1 txn

Insider HUDSON DENNIS S III

Role Director

Sold 8,000 shs ($251K)

Share of Position Sold 3.3%

Type	Security	Shares	Price	Value
Sale	Common Stock	8,000	$31.34	$251K
Holding	Common Stock Right to Buy	--	--	--
Holding	Common Stock Right to Buy	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 298,506.993 shares (Direct); Common Stock Right to Buy — 133,300 contracts (Direct); Common Stock — 21,867 shares (Indirect, Held by Spouse in Trust); Common Stock — 51,416 shares (Indirect, Held by Sherwood Partners, Ltd, family partnership)

Holdings Before and After: Common Stock, 306,506.993 to 298,506.993 shares (Direct)

Other Insiders: 4 other insiders reported open-market sales of this stock in the 30 days up to this filing.

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.

FAQ

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What did Seacoast Banking (SBCF) director Dennis S. Hudson III report on this Form 4?

He reported an open-market sale of 8,000 shares of Seacoast Banking Corp of Florida common stock. The transaction occurred on March 4, 2026, and was executed under a pre-established Rule 10b5-1 trading plan adopted on November 21, 2025.

How many Seacoast Banking (SBCF) shares did Dennis S. Hudson III sell and at what price?

He sold 8,000 shares of Seacoast Banking Corp of Florida common stock at a weighted average price of $31.34 per share. Footnotes state the shares traded in multiple transactions between $31.12 and $31.58 during the reported sale.

What is the Rule 10b5-1 plan mentioned in Dennis S. Hudson III’s SBCF Form 4 filing?

The filing states the 8,000-share sale was effected under a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. Such plans prearrange trades, allowing insiders to sell shares according to a preset schedule or conditions.

How many Seacoast Banking (SBCF) shares does Dennis S. Hudson III hold after the reported sale?

After the 8,000-share sale, he directly held 236,854 shares of Seacoast Banking Corp of Florida common stock. The filing also discloses additional direct and indirect interests in common stock and stock rights, including plan, trust, IRA, joint, and family partnership holdings.

What price range is disclosed for the Seacoast Banking (SBCF) shares sold by Dennis S. Hudson III?

The Form 4 notes the reported $31.34 price is a weighted average. The 8,000 shares were sold in multiple transactions at prices ranging from $31.12 to $31.58, and detailed trade breakdowns are available on request from specified parties.

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SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HUDSON DENNIS S III

(Last)

(First)

(Middle)

P.O. BOX 9012

815 COLORADO AVENUE

(Street)

STUART

34995-9012

(City)

(State)

(Zip)

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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/04/2026		S⁽¹⁾		8,000	D	$31.34⁽²⁾	236,854	D⁽³⁾
Common Stock								18,104	D⁽⁴⁾
Common Stock								34,192.993	D⁽⁵⁾
Common Stock								9,356	D⁽⁶⁾
Common Stock								21,867	I	Held by Spouse in Trust
Common Stock								51,416	I	Held by Sherwood Partners, Ltd, family partnership

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		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 Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock Right to Buy⁽⁷⁾	$31.15							⁽⁸⁾	04/02/2028	Common Stock	55,279		55,279	D
Common Stock Right to Buy⁽⁷⁾	$28.69							⁽⁸⁾	04/03/2027	Common Stock	78,021		78,021	D

Explanation of Responses:

1. Shares sold were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2025

2. 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

3. Shares held in Trust

4. Shares held jointly with spouse

5. Represents shares held in the Company's Retirement Savings Plan as of December 31, 2025

6. Held in IRA

7. Granted pursuant to the Company's Amended and Restated 2013 Incentive Plan

8. 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.

Remarks:

	/s/ Dennis S. Hudson, III	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR