Seacoast Banking subsidiary director gets 387 shares

Seacoast Banking Corp of Florida reported that H. Gilbert Culbreth Jr., identified as Director of Subsidiary, acquired 387 common shares on October 8, 2026, in an award held in Seacoast's Non-employee Directors Deferred Compensation Plan.

Rhea-AI Filing Summary

Seacoast Banking Corp of Florida reported that H. Gilbert Culbreth Jr., identified as Director of Subsidiary, acquired 387 common shares on October 8, 2026, in an award held in Seacoast's Non-employee Directors Deferred Compensation Plan. The transaction lists $31.97 per share. Separate reported holdings include a direct right to buy 2,142 common shares at a $22.65 exercise price, expiring February 6, 2027, plus 26,000 shares held through a family limited liability company and 8,200 through a family sub-S corporation as of October 8, 2026.

Insider Trade Summary

Grant/Award: 387 shares

Grant/Award 9 txns

Insider CULBRETH H GILBERT JR

Role Insider

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	387	$31.97	$12K
holding	Common Stock Right to Buy F6	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock F2	--	--	--
holding	Common Stock F3	--	--	--
holding	Common Stock F4	--	--	--
holding	Common Stock F5	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 76,044.913 shares (Direct); Common Stock Right to Buy — 2,142 contracts (Direct); Common Stock — 26,000 shares (Indirect, Held in family limited liability company); Common Stock — 8,200 shares (Indirect, Held in family sub-S corporation)

Footnotes (6)

1. F1. Held in Seacoast's Non-employee Directors Deferred Compensation Plan.
2. F2. Held in IRA
3. F3. Held jointly with spouse.
4. F4. Held jointly with son
5. F5. Held jointly with daughter.
6. F6. Granted pursuant to Seacoast Banking Corporation of Florida's 2013 Incentive Plan

Key Figures

Awarded common shares: 387 shares Reported price per share: $31.97 per share Shares underlying direct right to buy: 2,142 shares +4 more

7 metrics

Awarded common shares 387 shares Award held in Seacoast's Non-employee Directors Deferred Compensation Plan on October 8, 2026

Reported price per share $31.97 per share Common-stock award reported for October 8, 2026

Shares underlying direct right to buy 2,142 shares Reported as of October 8, 2026

Exercise price $22.65 per share Direct right to buy common stock

Option expiration February 6, 2027 Direct right to buy common stock

Shares held in family limited liability company 26,000 shares Reported as of October 8, 2026

Shares held in family sub-S corporation 8,200 shares Reported as of October 8, 2026

Key Terms

Non-employee Directors Deferred Compensation Plan, Common Stock Right to Buy, exercise price, 2013 Incentive Plan

4 terms

Non-employee Directors Deferred Compensation Plan financial

"Held in Seacoast's Non-employee Directors Deferred Compensation Plan"

Common Stock Right to Buy financial

"Common Stock Right to Buy"

exercise price financial

"exercise price of $22.65"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

2013 Incentive Plan financial

"Granted pursuant to Seacoast Banking Corporation of Florida's 2013 Incentive Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What options did SBCF reporting person H. Gilbert Culbreth Jr. hold?

H. Gilbert Culbreth Jr. reported a direct right to buy 2,142 common shares at a $22.65 exercise price, expiring February 6, 2027. The right was granted pursuant to Seacoast Banking Corporation of Florida's 2013 Incentive Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/09/2026 - 04:29 PM EDT Accepted by SEC EDGAR 10/09/2026 - 04:28 PM EDT Learn about SEC filing dates

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^*

CULBRETH H GILBERT JR

(Last) (First) (Middle)

SEACOAST BANKING CORPORATION

P. O. BOX 9012

(Street)

STUART FLORIDA 34995

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)	X	Other (specify below)
			Director of Subsidiary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/08/2026		A		387	A	$31.97	52,384.66	D(1)
Common Stock								1,672	D
Common Stock								10,660.253	D(2)
Common Stock								10,328	D(3)
Common Stock								500	D(4)
Common Stock								500	D(5)
Common Stock								26,000	I	Held in family limited liability company
Common Stock								8,200	I	Held in family sub-S corporation

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Common Stock Right to Buy(6)	$22.65							02/06/2017	02/06/2027	Common Stock	2,142		2,142	D

Explanation of Responses:

1. Held in Seacoast's Non-employee Directors Deferred Compensation Plan.

2. Held in IRA

3. Held jointly with spouse.

4. Held jointly with son

5. Held jointly with daughter.

6. Granted pursuant to Seacoast Banking Corporation of Florida's 2013 Incentive Plan

Remarks:

	/s/ Kathy L. Hsu as Power of Attorney for H. Gilbert Culbreth, Jr.	10/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)