---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-048160"
form_type: "8-K"
ticker: "NSA"
cik: "0001618563"
company_name: "National Storage Affiliates Trust"
filed_at: "2026-07-14T20:19:06+00:00"
generated_at: "2026-07-14T20:20:05.809361+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# NSA shareholders approve acquisition by Public Storage; closing expected July 22

## Summary
- 99.9% of votes cast in favor of the merger, representing >84% of outstanding common shares.
- Transaction expected to close on or about July 22, 2026, subject to customary conditions.
- No further equity holder approval required; OP unit holders previously approved.
- Morgan Stanley & Clifford Chance advised NSA; Goldman Sachs & Wachtell advised Public Storage.

## SEC filing metadata
- accession: 0001628280-26-048160
- form_type: 8-K
- ticker: NSA
- cik: 0001618563
- company_name: National Storage Affiliates Trust
- filed_at: 2026-07-14T20:19:06+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1618563/000162828026048160/0001628280-26-048160-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1618563/000162828026048160/nsa-20260714.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-048160
- JSON: https://secwatch.observer/filing/0001628280-26-048160.json
- Plain text: https://secwatch.observer/filing/0001628280-26-048160.txt

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