---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-093050"
form_type: "8-K"
ticker: "ARE"
cik: "0001035443"
company_name: "ALEXANDRIA REAL ESTATE EQUITIES, INC."
filed_at: "2023-08-17T23:59:59+00:00"
generated_at: "2026-06-11T07:19:52.720562+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Alexandria Real Estate CFO resigns for family health reasons; Marc Binda named successor

## Summary
- Dean Shigenaga resigns as President & CFO effective Sept 15, 2023; will remain as strategic consultant.
- Marc E. Binda, previously EVP-Finance & Treasurer, elected CFO and Treasurer effective same date.
- Binda has been with the company since 2005 in various finance roles; holds CPA and BS from California Lutheran.
- Resignation due to important personal family health reasons; no controversy indicated.

## SEC filing metadata
- accession: 0001104659-23-093050
- form_type: 8-K
- ticker: ARE
- cik: 0001035443
- company_name: ALEXANDRIA REAL ESTATE EQUITIES, INC.
- filed_at: 2023-08-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035443/000110465923093050/0001104659-23-093050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035443/000110465923093050/tm2324024d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-093050
- JSON: https://secwatch.observer/filing/0001104659-23-093050.json
- Plain text: https://secwatch.observer/filing/0001104659-23-093050.txt

## Key facts
- Executive change
  Dean A. Shigenaga resigned as President and Chief Financial Officer at ALEXANDRIA REAL ESTATE EQUITIES, INC..
  - Action: resigned
  - Role: President and Chief Financial Officer
  source text: Dean A. Shigenaga, President and Chief Financial Officer of Alexandria Real Estate Equities, Inc. (the “Company”), submitted his resignation from all of his positions with the Company and its subsidiaries for important personal family health reasons, effective September 15, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035443/000110465923093050/0001104659-23-093050-index.htm
- Executive change
  Marc E. Binda was elected as Chief Financial Officer and Treasurer at ALEXANDRIA REAL ESTATE EQUITIES, INC..
  - Action: elected
  - Role: Chief Financial Officer and Treasurer
  source text: the Board elected Marc E. Binda as Chief Financial Officer and Treasurer, effective September 15, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035443/000110465923093050/0001104659-23-093050-index.htm

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