The company filed Form 8-K under Item 8.01 (Other Events) and also gave August 6, 2025 as the earliest event date reported, which it listed as August 6, 2025.

8-KOther EventsFiled Aug 6, 2025Period of report Aug 6, 2025Summary published (UTC) Oct 14, 2026

Key points

AI summary

The company filed Form 8-K under Item 8.01 (Other Events) and also gave August 6, 2025 as the earliest event date reported, which it listed as August 6, 2025.
The company said on April 15, 2024 that Extra Space Storage Inc. and Extra Space Storage LP filed a Form S-3ASR Registration Statement with the SEC (File Nos. 333-278690 and 333-278690-03).
The company said the discussion of "U.S. Federal Income Tax Consequences" in Exhibit 99.1 replaces the same-titled discussion in the prospectus dated April 15, 2024, which forms part of the Registration Statement.
The company said it filed Exhibit 99.1 (U.S. Federal Income Tax Consequences) and Exhibit 104 (Cover Page Interactive Data File) as attachments under Item 9.01. Gwyn McNeal, Executive Vice President and Chief Legal Officer, signed the report.

Summary

AI-written

Analysis scope · Filing body only (exhibits excluded)We analyzed the filing body only. The exhibits exceeded the length limit and were excluded, so figures, financial statements and presentation materials in them were not reviewed.

Form 8-K filed on August 6, 2025

The company filed Form 8-K under Item 8.01 (Other Events) and also gave August 6, 2025 as the earliest event date reported, which it listed as August 6, 2025.

Source · Based on the filing body (exhibits excluded)

April 15, 2024 Form S-3ASR Registration Statement

The company said on April 15, 2024 that Extra Space Storage Inc. and Extra Space Storage LP filed a Form S-3ASR Registration Statement with the SEC (File Nos. 333-278690 and 333-278690-03).

Source · Based on the filing body (exhibits excluded)

Exhibit 99.1 tax discussion replaces prior text

The company said the discussion of "U.S. Federal Income Tax Consequences" in Exhibit 99.1 replaces the same-titled discussion in the prospectus dated April 15, 2024, which forms part of the Registration Statement.

Source · Based on the filing body (exhibits excluded)

Exhibits and signature

The company said it filed Exhibit 99.1 (U.S. Federal Income Tax Consequences) and Exhibit 104 (Cover Page Interactive Data File) as attachments under Item 9.01. Gwyn McNeal, Executive Vice President and Chief Legal Officer, signed the report.

Source · Based on the filing body (exhibits excluded)

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

The filing as submitted to SEC EDGAR. You can check the figures and statements of this summary against it.

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