# EDGAR Filing Document

**Accession Number:** 0001585389
**File Stem:** 0001462216-26-000001
**Filing Date:** 2026-3
**Character Count:** 9539
**Document Hash:** e65ed67be7d6bdc1ca544f55e742068a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001462216-26-000001.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 0001462216-26-000001

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260325

**FILED AS OF DATE**: 20260327

**DATE AS OF CHANGE**: 20260327

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Schwartz H. Michael
- **CENTRAL INDEX KEY:** 0001462216

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42584
- **FILM NUMBER:** 26807816

**MAIL ADDRESS:**
- **STREET 1:** 10 TERRACE ROAD
- **CITY:** LADERA RANCH
- **STATE:** CA
- **ZIP:** 92694
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SmartStop Self Storage REIT, Inc.
- **CENTRAL INDEX KEY:** 0001585389
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 461722812
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 10 TERRACE ROAD
- **CITY:** LADERA RANCH
- **STATE:** CA
- **ZIP:** 92694
- **BUSINESS PHONE:** 949 429 6600

**MAIL ADDRESS:**
- **STREET 1:** 10 TERRACE ROAD
- **CITY:** LADERA RANCH
- **STATE:** CA
- **ZIP:** 92694

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Strategic Storage Trust II, Inc.
- **DATE OF NAME CHANGE:** 20130828

### 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>Schwartz H. Michael<br><sub>(Last) (First) (Middle)</sub><br>10 TERRACE ROAD<br><sub>(Street)</sub><br>LADERA RANCH, CA 92694<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-25 | **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>_CEO and President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SmartStop Self Storage REIT, Inc. [ SMA ] | **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 |  |  |  |  |  |  |  | 24250<sup>(1)</sup> | I | See Footnote 1. |
| Common Stock |  |  |  |  |  |  |  | 120805<sup>(2)</sup> | I | See Footnote 2. |
| Common Stock |  |  |  |  |  |  |  | 29315<sup>(3)</sup> | I | Through Schwartz Family Trust dated September 22, 2003 |

---

## 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 |
| Long-Term Incentive Plan Units<sup>(4)</sup> | 0<sup>(4)</sup> | 2026-03-25 |  | A |  | 64775 |  | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 64775 | $0 | 298566.29 | I | Through Schwartz Family Trust dated September 22, 2003 |
| Long-Term Incentive Plan Units<sup>(4)</sup> | 0<sup>(4)</sup> | 2026-03-25 |  | A |  | 103342 |  | <sup>(6)</sup> | <sup>(6)</sup> | Common Stock | 103342 | $0 | 295942.19 | I | Through Schwartz Family Trust dated September 22, 2003 |
| Common Units<sup>(7)</sup> | 0<sup>(7)</sup> |  |  |  |  |  |  | <sup>(7)</sup> | <sup>(7)</sup> | Common Stock | 29.11 |  | 29.11<sup>(8)</sup> | I | Through Schwartz Family Trust dated September 22, 2003 |
| Common Units<sup>(7)</sup> | 0<sup>(7)</sup> |  |  |  |  |  |  | <sup>(7)</sup> | <sup>(7)</sup> | Common Stock | 96543.26 |  | 96543.26<sup>(9)</sup> | I | See Footnote 9. |
| Class A-1 Units<sup>(10)</sup> | 0<sup>(10)</sup> |  |  |  |  |  |  | <sup>(10)</sup> | <sup>(10)</sup> | Common Stock | 2397695.44 |  | 2397695.44<sup>(11)</sup> | I | See Footnote 11. |

---

### Footnotes:

(1) Represents 24,250 shares of common stock previously reported as being indirectly owned by the Reporting Person through Churchill TRI LLC, a Nevada limited liability company, which is 50% owned by The H. Michael Schwartz 2011 Irrevocable Trust and 50% owned by The Holly Breaux Schwartz 2011 Irrevocable Trust.

(2) Represents 120,805 shares of Common Stock owned by SmartStop OP Holdings, LLC ("SOH") previously reported as being owned by the Reporting Person. SOH is indirectly owned and controlled by the Reporting Person.

(3) Represents 29,315 shares of Common Stock previously reported as being owned by the Reporting Person.

(4) Represents long-term incentive plan units ("LTIP Units") of SmartStop OP, L.P., the Issuer's operating partnership (the "Operating Partnership"). Vested LTIP Units are convertible into common units of the Operating Partnership ("Common Units"). Common Units are redeemable by the holder for, at the election of the Issuer, shares of the Issuer's Common Stock on a one-for-one basis or the cash value of such shares.

(5) Represents 64,775 LTIP Units granted to the Reporting Person pursuant to the Issuer's incentive plan, which LTIP Units vest ratably over four years commencing on December 31 of the year of grant, subject to the Reporting Person's continued employment or service through each vesting date.

(6) Represents 103,342 LTIP Units issued to the Reporting Person pursuant to the Issuer's incentive plan, which number is equal to 200% of the target number of LTIP Units to be issued upon vesting. The actual number of LTIP Units to be issued upon vesting can range from 0% to 100% of the number of LTIP Units reported, based on achievement of specified performance measures. Assuming the achievement of the specified performance measures, the LTIP Units, as adjusted, will vest no later than January 31, 2029.

(7) Represents common units ("Common Units") of the Operating Partnership. Common Units are redeemable by the holder for, at the election of the Issuer, shares of Common Stock of the Issuer on a one-for-one basis or the cash value of such shares.

(8) Represents 29.11 Common Units previously reported as being owned by the Reporting Person.

(9) Represents 96,543.26 Common Units owned by SOH previously reported as being owned by the Reporting Person.

(10) Represents Class A-1 limited partnership units ("Class A-1 Units") of the Operating Partnership. Class A-1 Units are redeemable by the holder for, at the election of the Issuer, shares of Common Stock of the Issuer on a one-for-one basis or the cash value of such shares.

(11) Represents 2,397,695.44 Class A-1 Units owned by SOH previously reported as being owned by the Reporting Person.

**Signature:** /s/ H. Michael Schwartz  
**Date:** 2026-03-27

### 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.**