SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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X
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*
Extra Space Storage Inc.

(Last) (First) (Middle)
2795 EAST COTTONWOOD PARKWAY, SUITE 300

(Street)
SALT LAKE CITY UT 84121

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SmartStop Self Storage REIT, Inc. [ STSFF ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Former 10% Owner
3. Date of Earliest Transaction (Month/Day/Year)
04/04/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Convertible Preferred Stock (1) 04/04/2025 J(1) 200,000 (1) (1) Class A Common Stock 4,690,432(2) (1) 0 I See footnote (3)(3)
1. Name and Address of Reporting Person*
Extra Space Storage Inc.

(Last) (First) (Middle)
2795 EAST COTTONWOOD PARKWAY, SUITE 300

(Street)
SALT LAKE CITY UT 84121

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director 10% Owner
Officer (give title below) X Other (specify below)
Former 10% Owner
1. Name and Address of Reporting Person*
Extra Space Storage LP

(Last) (First) (Middle)
2795 EAST COTTONWOOD PARKWAY, SUITE 300

(Street)
SALT LAKE CITY UT 84121

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director 10% Owner
Officer (give title below) X Other (specify below)
Former 10% Owner
1. Name and Address of Reporting Person*
ESS Holdings Business Trust I

(Last) (First) (Middle)
2795 EAST COTTONWOOD PARKWAY, SUITE 300

(Street)
SALT LAKE CITY UT 84121

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director 10% Owner
Officer (give title below) X Other (specify below)
Former 10% Owner
Explanation of Responses:
1. The Issuer redeemed 100% of the issued and outstanding Series A Convertible Preferred Stock from Extra Space Storage LP in an amount equal to approximately $204 million.
2. Reflects a 1-for-4 reverse stock split of outstanding shares of common stock effected by the Issuer on March 20, 2025.
3. Extra Space Storage Inc. has the power to appoint the trustees of ESS Holdings Business Trust I, which is the general partner of Extra Space Storage LP. As a result of these relationships, each of the Reporting Persons may be deemed to beneficially have owned the securities reported herein.
Remarks:
Extra Space Storage Inc., By: /s/ Gwyn McNeal, Executive Vice President and Chief Legal Officer 05/13/2025
Extra Space Storage LP, By: ESS Holdings Business Trust I, its General Partner, By: /s/ Gwyn McNeal, Trustee 05/13/2025
ESS Holdings Business Trust I, By: /s/ Gwyn McNeal, Trustee 05/13/2025
** Signature of Reporting Person Date
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).
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