Sun Communities (SUI) EVP & CFO discloses 19,008-share transaction

Rhea-AI Filing Summary

Sun Communities, Inc. executive Fernando Castro-Caratini, who serves as EVP, CFO, Secretary and Treasurer, reported a disposition of 19,008 shares of common stock of Sun Communities, Inc. on 12/30/2025 at a price of $125.47 per share. Following this transaction, he beneficially owns 41,606 shares of Sun Communities, Inc. common stock in direct form.

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

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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^*

Castro-Caratini Fernando

(Last) (First) (Middle)

27777 FRANKLIN ROAD

SUITE 300

(Street)

SOUTHFIELD MI 48034

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SUN COMMUNITIES INC [ SUI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CFO, Sec. & Treas.

3. Date of Earliest Transaction (Month/Day/Year)
12/30/2025

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)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK, $0.01 PAR VALUE	12/30/2025		F		19,008	D	$125.47	41,606	D

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

Explanation of Responses:

Remarks:

	Fernando Castro-Caratini	01/02/2026
	** 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.
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FAQ

What insider transaction did Sun Communities (SUI) report in this filing?

The filing reports that Fernando Castro-Caratini disposed of 19,008 shares of Sun Communities, Inc. common stock on 12/30/2025 at a price of $125.47 per share.

Who is the insider involved in the latest Sun Communities (SUI) share transaction?

The reporting person is Fernando Castro-Caratini, who is an officer of Sun Communities, Inc., serving as EVP, CFO, Secretary and Treasurer.

How many Sun Communities (SUI) shares does the insider own after the transaction?

After the reported transaction, Fernando Castro-Caratini beneficially owns 41,606 shares of Sun Communities, Inc. common stock in direct ownership.

What type of security was involved in the Sun Communities (SUI) insider transaction?

The transaction involved common stock, $0.01 par value, of Sun Communities, Inc.

Was the Sun Communities (SUI) transaction reported as a non-derivative or derivative security?

The reported activity was in Table I – Non-Derivative Securities, covering common stock. The Table II – Derivative Securities section shows no derivative transactions.

Is this Sun Communities (SUI) insider filing for one or multiple reporting persons?

The document indicates it is a Form filed by one reporting person, namely Fernando Castro-Caratini.