| Item 1. | |
| (a) | Name of issuer:
SmartStop Self Storage REIT, Inc. |
| (b) | Address of issuer's principal executive offices:
10 Terrace Road, Ladera Ranch, CA, 92694 |
| Item 2. | |
| (a) | Name of person filing:
Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of:
Extra Space Storage Inc.
ESS Holdings Business Trust I
Extra Space Storage LP |
| (b) | Address or principal business office or, if none, residence:
The principal business address of each of the Reporting Persons is 2795 East Cottonwood Parkway, Suite 300, Salt Lake City, UT 84121. |
| (c) | Citizenship:
Extra Space Storage Inc. was established under the laws of the State of Maryland. ESS Holdings Business Trust I was established under the laws of the Commonwealth of Massachusetts. Extra Space Storage LP was established under the laws of the State of Delaware. |
| (d) | Title of class of securities:
Common Stock |
| (e) | CUSIP No.:
83192D402 |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
|
| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
|
| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
|
| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
|
| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
|
| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
|
| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
|
| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
|
| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
|
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
|
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
|
| | |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
This amendment to Schedule 13G is being filed on behalf of the Reporting Persons to report that, as of April 4, 2025, the Reporting Persons do not beneficially own any shares of Common Stock. |
| (b) | Percent of class:
0.0% |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
0
|
| | (ii) Shared power to vote or to direct the vote:
0
|
| | (iii) Sole power to dispose or to direct the disposition of:
0
|
| | (iv) Shared power to dispose or to direct the disposition of:
0
|
| Item 5. | Ownership of 5 Percent or Less of a Class. |
| | 
Ownership of 5 percent or less of a class
|
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
| |
Not Applicable
|
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
| |
Not Applicable
|
| Item 8. | Identification and Classification of Members of the Group. |
| |
Not Applicable
|
| Item 9. | Notice of Dissolution of Group. |
| |
Not Applicable
|