---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-036098"
form_type: "8-K"
ticker: "SPG"
cik: "0001063761"
company_name: "SIMON PROPERTY GROUP INC."
filed_at: "2023-03-23T23:59:59+00:00"
generated_at: "2026-06-17T17:31:41.712586+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Simon Property Group appoints Randall J. Lewis to Board; two independent directors to retire

## Summary
- Randall J. Lewis, Managing Partner at Cleveland Avenue LLC, appointed to Board effective March 21, 2023.
- Board size increased from 14 to 15 members; Lewis will stand for election at 2023 annual meeting.
- J. Albert Smith Jr. (Audit Committee chair) and Karen H. Horn (Governance Committee chair) to retire at May 4, 2023 meeting.
- Retirements are not due to any disagreement with the Company's operations or policies.
- Lewis is independent under NYSE rules; has no material interest in any reportable transaction.

## SEC filing metadata
- accession: 0001104659-23-036098
- form_type: 8-K
- ticker: SPG
- cik: 0001063761
- company_name: SIMON PROPERTY GROUP INC.
- filed_at: 2023-03-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1063761/000110465923036098/0001104659-23-036098-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1063761/000110465923036098/tm2310357d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-036098
- JSON: https://secwatch.observer/filing/0001104659-23-036098.json
- Plain text: https://secwatch.observer/filing/0001104659-23-036098.txt

## Key facts
- Executive change
  J. Albert Smith Jr. departed as Director at SIMON PROPERTY GROUP INC..
  - Action: retiring
  - Role: Director
  source text: Board members Karen N. Horn, Ph.D. and J. Albert Smith, Jr. notified the Company that they are retiring from the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1063761/000110465923036098/0001104659-23-036098-index.htm
- Executive change
  Karen N. Horn departed as Director at SIMON PROPERTY GROUP INC..
  - Action: retiring
  - Role: Director
  source text: Board members Karen N. Horn, Ph.D. and J. Albert Smith, Jr. notified the Company that they are retiring from the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1063761/000110465923036098/0001104659-23-036098-index.htm
- Executive change
  Randall J. Lewis was appointed as Director at SIMON PROPERTY GROUP INC..
  - Action: appointed
  - Role: Director
  source text: appointed Mr. Randall J. Lewis to the Board, effective as of March 21, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1063761/000110465923036098/0001104659-23-036098-index.htm

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