# EDGAR Filing Document

**Accession Number:** 0001289490
**File Stem:** 0001289490-26-000015
**Filing Date:** 2026-3
**Character Count:** 8385
**Document Hash:** c5bca2df5c6d60a36bbd939132ca5a56
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001289490-26-000015.hdr.sgml**: 20260303

**ACCESSION NUMBER**: 0001289490-26-000015

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20240311

**FILED AS OF DATE**: 20260303

**DATE AS OF CHANGE**: 20260303

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Margolis Joseph D
- **CENTRAL INDEX KEY:** 0001330121

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32269
- **FILM NUMBER:** 26718487

**MAIL ADDRESS:**
- **STREET 1:** C/O ARSENAL REAL ESTATE FUNDS
- **STREET 2:** 117 ON THE GREEN, 67 PARK PLACE EAST
- **CITY:** MORRISTOWN
- **STATE:** NJ
- **ZIP:** 07960
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Extra Space Storage Inc.
- **CENTRAL INDEX KEY:** 0001289490
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 201076777
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2795 COTTONWOOD PARKWAY, SUITE 400
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84121
- **BUSINESS PHONE:** 801-562-5556

**MAIL ADDRESS:**
- **STREET 1:** 2795 COTTONWOOD PARKWAY, SUITE 400
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84121

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Margolis Joseph D<br><sub>(Last) (First) (Middle)</sub><br>2795 EAST COTTONWOOD PARKWAY<br>SUITE 300<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84121<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2024-03-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Extra Space Storage Inc. [ EXR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2024-03-11 |  | G |  | 30291 | D | $0 | 54094 | D |  |
| Common Stock | 2024-03-11 |  | G |  | 30291 | A | $0 | 42359 | I | J Margolis & K Margolis TTEE<sup>(1)</sup> |
| Common Stock | 2025-03-13 |  | G |  | 17184 | D | $0 | 36910 | D |  |
| Common Stock | 2025-03-13 |  | G |  | 17184 | A | $0 | 59543 | I | J Margolis & K Margolis TTEE<sup>(1)</sup> |
| Common Stock | 2026-03-01 |  | A |  | 6898<sup>(2)</sup> | A | $151.03 | 43808 | D |  |
| Common Stock | 2026-03-01 |  | A |  | 17381<sup>(3)</sup> | A | $151.03 | 61189 | D |  |
| Common Stock | 2026-03-01 |  | F |  | 1065<sup>(4)</sup> | D | $151.03 | 60124 | D |  |
| Common Stock | 2026-03-01 |  | F |  | 1264<sup>(4)</sup> | D | $151.03 | 58860 | D |  |
| Common Stock | 2026-03-01 |  | F |  | 1682<sup>(4)</sup> | D | $151.03 | 57178 | D |  |
| Common Stock | 2026-03-01 |  | F |  | 1886<sup>(4)</sup> | D | $151.03 | 55292 | D |  |
| Common Stock |  |  |  |  |  |  |  | 97260 | I | Cove Hollow Lane I, LLC<sup>(5)</sup> |
| Common Stock |  |  |  |  |  |  |  | 9190 | I | Cove Hollow Lane II, LLC<sup>(6)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Shares held in J Margolis & K Margolis TTEE Joseph Daniel Margolis Revocab U/A DTD 05/24/2013.

(2) Represents the number of shares of common stock issued upon the vesting of performance stock units (PSUs), net of shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested PSUs. Each PSU represented a contingent right to receive shares of the Issuers common stock. The PSUs were originally granted on March 1, 2023 and were eligible to vest based on the Issuer achievement of certain performance objectives during the three-year performance period ending December 31, 2025. On February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer achievement relative to the applicable performance objectives and approved the vesting of the PSUs with respect to these shares effective March 1, 2026.

(3) Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

(4) Represents shares withheld by the Issuer in payment of the tax liability arising in connection with the settlement of vested restricted stock awards. Restricted stock awards vest 25% annually over four years, beginning on the first anniversary of the grant date.

(5) The reporting person controls the investment decisions with respect to shares of common stock held by Cove Hollow Lane I, LLC.  The reporting person disclaims beneficial ownership in the common stock held by Cove Hollow Lane I, LLC, except to the extent of his pecuniary interest therein.

(6) The reporting person disclaims beneficial ownership in the common stock held by Cove Hollow Lane II, LLC, except to the extent of his pecuniary interest therein.

**Signature:** /s/ Grace Kunde, Attorney-in-Fact  
**Date:** 2026-03-03

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**