Seacoast Banking officer to sell 14,831 shares

SEACOAST BANKING CORP OF FLORIDA (SBCF) received a notice of proposed sale of common stock under Rule 144 by officer Juliette P. Kleffel.

Rhea-AI Filing Summary

SEACOAST BANKING CORP OF FLORIDA (SBCF) received a notice of proposed sale of common stock under Rule 144 by officer Juliette P. Kleffel. The filing covers a planned sale of 14,831 shares of common stock through Morgan Stanley Smith Barney LLC, with the transaction related to a stock option exercise for cash, currently targeted for August 27, 2026 on NASDAQ.

Key Figures

Shares to be sold: 14,831 shares of common stock Proposed sale date: 08/27/2026 Issuer phone: (772) 287-4000

3 metrics

Shares to be sold 14,831 shares of common stock Proposed sale under Rule 144 related to stock option exercise

Proposed sale date 08/27/2026 Targeted date for Rule 144 sale of common stock

Issuer phone (772) 287-4000 Contact number for Seacoast Banking Corporation of Florida

Key Terms

Rule 144, stock option exercise, issuer, NASDAQ

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

stock option exercise financial

"Common | 08/27/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

issuer regulatory

"Stock Option Exercise | Issuer | | | 14831"

NASDAQ market

"08/27/2026 | NASDAQ 144: Securities To Be Sold"

The Nasdaq is a stock exchange where many companies' shares are bought and sold, functioning much like a marketplace for investments. It matters to investors because it provides a platform to buy and sell ownership stakes in companies, helping them track the value of those companies and make informed decisions. As one of the largest and most technology-focused markets, it also reflects trends and developments in the business world.

FAQ

What does the Form 144 filing for SBCF disclose?

The Form 144 discloses that Juliette P. Kleffel, an officer, plans to sell 14,831 shares of Seacoast Banking Corp of Florida common stock under Rule 144, in connection with a stock option exercise for cash, with a proposed sale date of August 27, 2026.

How many SBCF shares are covered by Juliette P. Kleffel’s planned sale?

The notice covers a proposed sale of 14,831 shares of Seacoast Banking Corp of Florida common stock. This amount is reported in the securities information and securities-to-be-sold sections of the Form 144.

When is the proposed sale date for the SBCF shares in this Form 144?

The proposed sale date for the 14,831 shares of SBCF common stock is August 27, 2026, as indicated in the securities information and securities-to-be-sold sections.

What is the nature of the SBCF transaction reported in this Form 144?

The transaction is described as a stock option exercise for cash. The issuer is Seacoast Banking Corp of Florida, and the Form 144 covers the subsequent planned sale of 14,831 shares of common stock.

Which broker is handling the planned sale of SBCF shares?

The planned sale of Seacoast Banking Corp of Florida common stock is to be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, as listed in the securities information section.

On which market are the SBCF shares intended to be sold under this Form 144?

The common stock of Seacoast Banking Corp of Florida covered by this Form 144 is indicated for trading on NASDAQ, as shown in the securities information section.

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

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Available on EDGAR 08/27/2026 - 04:25 PM Accepted by SEC EDGAR 08/27/2026 - 04:24 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001726466
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SEACOAST BANKING CORPORATION OF FLORIDA
SEC File Number	000-13660
Address of Issuer	815 Colorado Avenue Stuart FLORIDA 34994
Phone	(772) 287-4000
Name of Person for Whose Account the Securities are To Be Sold	JULIETTE P KLEFFEL
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	14831	508804.15	96822799	08/27/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/27/2026	Stock Option Exercise	Issuer			14831	08/27/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/27/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Juliette Kleffel
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)