---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-185348"
form_type: "8-K"
ticker: "EXR"
cik: "0001289490"
company_name: "Extra Space Storage Inc."
filed_at: "2023-07-11T23:59:59+00:00"
generated_at: "2026-06-13T09:50:27.971620+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Extra Space & Life Storage issue supplemental proxy disclosures in response to shareholder lawsuits

## Summary
- Five shareholder lawsuits filed in S.D.N.Y. allege proxy statement omitted material info about the merger.
- Supplemental disclosures add details on Life Storage board discussions with Public Storage and Extra Space.
- Life Storage board determined no conflicts existed with Extra Space; no independent committee formed.
- Wells Fargo fairness opinion implies Life Storage equity value reference range of $110.86-$147.09 per share.
- Extra Space and Life Storage deny legal necessity but make disclosures to avoid merger delay and reduce expense.

## SEC filing metadata
- accession: 0001193125-23-185348
- form_type: 8-K
- ticker: EXR
- cik: 0001289490
- company_name: Extra Space Storage Inc.
- filed_at: 2023-07-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1289490/000119312523185348/0001193125-23-185348-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1289490/000119312523185348/d495385d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-185348
- JSON: https://secwatch.observer/filing/0001193125-23-185348.json
- Plain text: https://secwatch.observer/filing/0001193125-23-185348.txt

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