---
schema_version: "secwatch.filing_event.v1"
accession: "0000912593-25-000199"
form_type: "8-K"
ticker: "SUI"
cik: "0000912593"
company_name: "SUN COMMUNITIES INC"
filed_at: "2025-07-23T23:59:59+00:00"
generated_at: "2026-05-18T03:59:34.561653+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Sun Communities appoints Charles Young as CEO effective Oct 1; Shiffman to Non-Executive Chairman

## Summary
- Charles D. Young appointed CEO and director, effective Oct 1, 2025; succeeds Gary Shiffman who retires as CEO after 40 years.
- Young most recently President of Invitation Homes (INVH); has 25+ years in real estate operations and investment.
- Compensation includes $900k base salary, 200% target bonus, equity grants with ~$8.55M aggregate value, $750k retention cash, and $300k relocation.
- Shiffman remains Non-Executive Chairman; under his leadership market cap grew from ~$100M IPO to over $16.5B with 4,100%+ total return since 1993.

## SEC filing metadata
- accession: 0000912593-25-000199
- form_type: 8-K
- ticker: SUI
- cik: 0000912593
- company_name: SUN COMMUNITIES INC
- filed_at: 2025-07-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/912593/000091259325000199/0000912593-25-000199-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/912593/000091259325000199/sui-20250720.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000912593-25-000199
- JSON: https://secwatch.observer/filing/0000912593-25-000199.json
- Plain text: https://secwatch.observer/filing/0000912593-25-000199.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.