---
schema_version: "secwatch.filing_event.v1"
accession: "0000912593-22-000176"
form_type: "8-K"
ticker: "SUI"
cik: "0000912593"
company_name: "SUN COMMUNITIES INC"
filed_at: "2022-09-07T23:59:59+00:00"
generated_at: "2026-06-23T14:51:45.894769+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Sun Communities: COO/President McLaren resigns, Thelen named COO, Shiffman becomes President

## Summary
- John B. McLaren resigns as President and COO effective Dec 31, 2022; stays as EVP of Entitlement and Integration for MH Development.
- Bruce D. Thelen appointed COO and EVP effective Dec 31, 2022; previously EVP Operations and Sales since 2018.
- Gary A. Shiffman, currently Chairman and CEO, appointed President effective Dec 31, 2022.

## SEC filing metadata
- accession: 0000912593-22-000176
- form_type: 8-K
- ticker: SUI
- cik: 0000912593
- company_name: SUN COMMUNITIES INC
- filed_at: 2022-09-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/912593/000091259322000176/0000912593-22-000176-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/912593/000091259322000176/sui-20220907.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000912593-22-000176
- JSON: https://secwatch.observer/filing/0000912593-22-000176.json
- Plain text: https://secwatch.observer/filing/0000912593-22-000176.txt

## Key facts
- Executive change
  John B. McLaren resigned as President and Chief Operating Officer at SUN COMMUNITIES INC.
  - Action: resigned
  - Role: President and Chief Operating Officer
  source text: On September 7, 2022, John B. McLaren tendered his resignation from his positions as President and Chief Operating Officer of Sun Communities, Inc. (the “Company”), effective as of December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/912593/000091259322000176/0000912593-22-000176-index.htm
- Executive change
  Bruce D. Thelen was appointed as Chief Operating Officer and Executive Vice President at SUN COMMUNITIES INC.
  - Action: appointed
  - Role: Chief Operating Officer and Executive Vice President
  source text: Also on September 7, 2022, the Company appointed Bruce D. Thelen as its Chief Operating Officer and Executive Vice President, effective as of December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/912593/000091259322000176/0000912593-22-000176-index.htm
- Executive change
  Gary A. Shiffman was appointed as President at SUN COMMUNITIES INC.
  - Action: appointed
  - Role: President
  source text: Also on September 7, 2022, the Company appointed Gary A. Shiffman as its President, effective as of December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/912593/000091259322000176/0000912593-22-000176-index.htm

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