Sun Communities (SUI) CFO delivers 7,858 shares to cover tax liability

Rhea-AI Filing Summary

Sun Communities Inc. executive vice president and CFO Fernando Castro-Caratini reported a tax-related share disposition tied to equity compensation. On March 9, 2026, he delivered 7,858 shares of common stock at $135.44 per share to cover tax obligations. After this non-market transaction, he directly held 33,748 shares of Sun Communities common stock.

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)
03/09/2026

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)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK, $0.01 PAR VALUE	03/09/2026		F		7,858	D	$135.44	33,748	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	03/11/2026
	** 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.

FAQ

What insider transaction did Sun Communities (SUI) report for Fernando Castro-Caratini?

Sun Communities reported that EVP and CFO Fernando Castro-Caratini delivered 7,858 shares of common stock to cover tax obligations. This tax-withholding disposition, coded “F,” relates to equity compensation rather than an open-market sale or discretionary trading activity.

Was the Sun Communities (SUI) insider transaction an open-market sale?

No, the transaction was not an open-market sale. It was a tax-withholding disposition, where 7,858 shares were delivered at $135.44 per share to satisfy tax liabilities arising from equity compensation awards, a routine administrative step.

How many Sun Communities (SUI) shares does the CFO hold after this Form 4?

Following the tax-withholding disposition, Fernando Castro-Caratini directly holds 33,748 shares of Sun Communities common stock. This figure reflects his remaining direct ownership after 7,858 shares were delivered to meet related tax obligations on compensation.

What does transaction code “F” mean in the Sun Communities (SUI) Form 4?

Transaction code “F” indicates payment of an exercise price or tax liability by delivering securities. In this case, 7,858 Sun Communities shares were used to cover tax obligations tied to equity awards, not to execute an open-market buy or sell.

What price per share was used in the Sun Communities (SUI) tax-withholding transaction?

The tax-withholding disposition used a price of $135.44 per Sun Communities common share. This value determines how many shares, 7,858 in total, were delivered to satisfy the executive’s tax liability related to his equity compensation awards.