GARY A. SHIFFMAN - 17 Dec 2025 Form 4 Insider Report for SUN COMMUNITIES INC (SUI)

Role: Director
Signature: Gary A. Shiffman
Issuer symbol: SUI
Transactions as of: 17 Dec 2025
Transactions value $: -$19,378,769
Form type: 4
Filing time: 18 Dec 2025, 14:13:32 UTC
Previous filing: 10 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SHIFFMAN GARY A	Director	27777 FRANKLIN ROAD, SUITE 300, SOUTHFIELD	Gary A. Shiffman	18 Dec 2025	0001171077

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SUI	COMMON STOCK, $0.01 PAR VALUE	Sale	-$19.4M	-157K	-100%	$123.53	0	17 Dec 2025	Owned by irrevocable trust.	F1
holding	SUI	COMMON STOCK, $0.01 PAR VALUE						881K	17 Dec 2025	Direct
holding	SUI	COMMON STOCK, $0.01 PAR VALUE						6.28K	17 Dec 2025	Owned by spouse
holding	SUI	COMMON STOCK, $0.01 PAR VALUE						86.8K	17 Dec 2025	Owned by irrevocable trust.	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction represents the sale of Common Stock of the Issuer in a private transaction by an irrevocable trust of which the Reporting Person is a trustee and a beneficiary to certain beneficiaries of this trust other than the Reporting Person. The Reporting Person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein. This transaction was completed for tax planning purposes.
F2	Owned by an irrevocable trust of which the Reporting Person is a trustee and a beneficiary. The Reporting Person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein.

Content

This transaction represents the sale of Common Stock of the Issuer in a private transaction by an irrevocable trust of which the Reporting Person is a trustee and a beneficiary to certain beneficiaries of this trust other than the Reporting Person. The Reporting Person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein. This transaction was completed for tax planning purposes.

Owned by an irrevocable trust of which the Reporting Person is a trustee and a beneficiary. The Reporting Person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein.