Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person * Kenyon Tiffany S. 2. Issuer Name and Ticker or Trading Symbol National Storage Affiliates Trust [NSA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Legal Officer (Last) (First) (Middle) C/O NATIONAL STORAGE AFFILIATES TRUST, 8400 EAST PRENTICE AVENUE, 9TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 02/27/2026 (Street) GREENWOOD VILLAGE, CO 80111 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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

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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 Underlying Securities (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 of Derivative Security: 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

Class A OP Units(1)

(1)(2)(3)

02/27/2026

A

25,823(2)

(1)(2)(3)

(4)

Common shares of beneficial interest, $0.01 par value(1)

25,823(1)(2)(3)

$ 0

91,700(5)(6)

D

LTIP Units(1)(2)

(1)(7)

02/27/2026

C

3,403(8)

(1)(8)

(4)

Class A OP Units(1)(7)

3,403

(8)

57,500(2)(5)(9)

D

Class A OP Units(1)

(1)

02/27/2026

C

3,403(8)

(1)

(4)

Common shares of beneficial interest, $0.01 par value(1)

3,403

(8)

91,700(5)(9)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Kenyon Tiffany S. C/O NATIONAL STORAGE AFFILIATES TRUST 8400 EAST PRENTICE AVENUE, 9TH FLOOR GREENWOOD VILLAGE, CO 80111			Chief Legal Officer

Signatures

Tiffany Kenyon, by Zoya Afridi, her Attorney-in-fact		03/03/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Pursuant to the agreement of limited partnership (the "Partnership Agreement") of NSA OP, LP (the "Partnership"), the Reporting Person has the right to cause the Partnership to redeem all or a portion of the Reporting Person's Class A common units of limited partner interest ("Class A OP Units") for cash in an amount equal to the market value of an equivalent number of the common shares of beneficial interest ("Shares") of National Storage Affiliates Trust (the "Issuer"), or at the Issuer's option, Shares on a one-for-one basis, subject to certain adjustments.
(2)	The Class A OP Units in the first row of this table are comprised of 25,823 Class A OP Units issuable upon the conversion of 25,823 unvested long-term incentive plan units ("LTIP Units") in the Partnership which were granted to the Reporting Person pursuant to a 2026 LTIP Unit Award Agreement between the Issuer and the Reporting Person under the Issuer's 2024 Equity Incentive Plan. Of these, 9,516 vest in three annual installments on January 1, 2027, January 1, 2028, and January 1, 2029, subject to continued employment by the Reporting Person 16,307 represent the maximum amount of LTIP Units that can vest on January 1, 2029 contingent upon the achievement of certain performance criteria.
(3)	The Reporting Person will not earn any of the 16,307 performance-based LTIP Units if the minimum performance criteria is not met. The 16,307 performance-based LTIP Units are being reported here for informational purposes only. Vested LTIP Units, after achieving parity with Class A OP Units, are eligible to be converted into Class A OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.
(4)	N/A
(5)	The Reporting Person's total direct and indirect beneficial ownership of Class A OP Units following the reported transactions above (including the LTIP Units conversion described in footnote 8 below, as well as 503 LTIP Units that were converted into 503 Class A OP Units on June 10, 2025) is 91,700 Class A OP Units, which includes those Class A OP Units previously reported and the Class A OP Units reported herein (together with those securities convertible into, or exchangeable for, such Class A OP Units as specified therein). Excludes 9,211 previously reported LTIP Units granted on February 27, 2023 pursuant to a 2023 LTIP Unit Agreement, which did not vest upon the expiration of the performance period on January 1, 2026.
(6)	This filing shall not be deemed to be an admission that the Reporting Person is the beneficial owner of any of the securities reported herein, and the Reporting Person disclaims beneficial ownership of such securities except to the extent of the Reporting Person's pecuniary interest therein.
(7)	Pursuant to the Partnership Agreement, upon the achievement of certain conditions, a holder of LTIP Units of the Partnership is entitled to convert such LTIP Units into Class A OP Units of the Partnership on a one-for-one basis.
(8)	Consists of 3,403 LTIP Units held by the Reporting Person which were converted into 3,403 Class A OP Units as described in footnote 7 above.
(9)	Following the reported transactions, the Reporting Person has total direct beneficial ownership in 6,476 vested LTIP Units and 51,024 unvested LTIP Units. The Reporting Person previously reported the 3,403 LTIP Units that were converted into Class A OP Units as described in this Form 4 as Class A OP Units on an as-converted basis. Accordingly, rows 2 and 3 of this Form 4 are being filed on a voluntary basis solely to provide notice of the conversion of the Reporting Person's 3,403 LTIP Units into 3,403 Class A OP Units.

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