Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 9, 2025
Reporting period
Not applicable
Filed with the SEC
Dec 10, 2025
DirectorIndirect holdingOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0000912593-25-000280
Filed / recorded
Dec 10, 2025, 10:57 PM UTC
Added to OQRO
Oct 6, 2026, 9:11 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
SUN COMMUNITIES INC
Issuer CIK
912593
Ticker
SUI
Reporting person
Gary A Shiffman
Relationship
Director
Security
COMMON OPERATING PARTNERSHIP UNITS
Table
Derivative (Table II)
Transaction date
Dec 9, 2025
Transaction code
M
Shares / units
156,875
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
0
Ownership form
Indirect — Owned by irrevocable trust
Amendment
No
Footnotes from the filing
This transaction represents the conversion of Common Operating Partnership Units of Sun Communities Operating Limited Partnership (the "Operating Partnership") reported in Table II into Common Stock of the Issuer reported in Table I. The Reporting Person is a trustee and a beneficiary of the irrevocable trust that owns these securities. The Reporting Person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein. This conversion was completed for tax planning reasons.
The Common Operating Partnership Units of the Operating Partnership are convertible into Common Stock of the Issuer at any time on a one-for-one basis and have no expiration date.