---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-126548"
form_type: "8-K"
ticker: "ARE"
cik: "0001035443"
company_name: "ALEXANDRIA REAL ESTATE EQUITIES, INC."
filed_at: "2024-12-09T23:59:59+00:00"
generated_at: "2026-05-29T05:28:27.948067+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Alexandria Real Estate approves $500M stock buyback; CDO Ciruzzi to retire Dec 31

## Summary
- Board authorized up to $500M common stock repurchase through Dec 31, 2025; funded on leverage-neutral basis.
- Vincent R. Ciruzzi, Chief Development Officer since 2015, resigns effective Dec 31, 2024 after nearly 30 years.
- Executive Chairman Joel S. Marcus's employment amended: future awards lose full pre-vest dividends; termination trigger set to Dec 31, 2028.
- Bylaws amended to let stockholders amend bylaws by majority vote and designate federal courts as exclusive forum for Securities Act claims.

## SEC filing metadata
- accession: 0001104659-24-126548
- form_type: 8-K
- ticker: ARE
- cik: 0001035443
- company_name: ALEXANDRIA REAL ESTATE EQUITIES, INC.
- filed_at: 2024-12-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035443/000110465924126548/0001104659-24-126548-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035443/000110465924126548/tm2429960d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-126548
- JSON: https://secwatch.observer/filing/0001104659-24-126548.json
- Plain text: https://secwatch.observer/filing/0001104659-24-126548.txt

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