Sec Form 4 Filing - Nordhagen Arlen Dale @ National Storage Affiliates Trust - 2019-06-01

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Nordhagen Arlen Dale 2. Issuer Name and Ticker or Trading Symbol National Storage Affiliates Trust [ NSA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O NATIONAL STORAGE AFFILIATES TRUST, 8400 EAST PRENTICE AVENUE, 9TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 06/01/2019 (Street) GREENWOOD VILLAGE, CO80111 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 ) 06/01/2019 A 95,170 ( 2 ) ( 1 ) ( 3 ) Common shares of beneficial interest, $0.01 par value 95,170 ( 1 ) ( 2 ) $ 29.77 2,714,756 ( 4 ) I See footnote ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Nordhagen Arlen Dale C/O NATIONAL STORAGE AFFILIATES TRUST 8400 EAST PRENTICE AVENUE, 9TH FLOOR GREENWOOD VILLAGE, CO80111 X Chief Executive Officer Signatures Arlen Dale Nordhagen, by Jason Parsont, his Attorney-in-fact 06/04/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Beginning after June 1, 2020, the Reporting Person will have the right to cause NSA OP, LP (the "Partnership") to redeem all or a portion of the Reporting Person's Class A common units of limited partner interest (the "Class A OP Units") of the Partnership reported in this Form 4 for cash in an amount equal to the market value of an equivalent number of common shares of beneficial interest of National Storage Affiliates Trust (the "Issuer"), or at the Issuer's option, common shares of beneficial interest on a one-for-one basis, subject to certain adjustments. ( 2 )Represents the Reporting Person's proportionate interest in Class A OP Units issued to Ground Up Development, LLC ("Ground Up"). Following receipt of such units from the Partnership on June 1, 2019, Ground Up made a pro rata distribution on the same day of such units to its members, including 95,170 Class A OP Units to Nordhagen LLLP ("Nordhagen LLLP"), an entity in which the Reporting Person has or shares voting and investment power. 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. ( 3 )N/A ( 4 )The Reporting Person's total direct and indirect beneficial ownership of Class A OP Units following the transactions reported in the table above is 2,714,756 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 in such previous reports). The 2,714,756 Class A OP Units do not include derivative securities of other classes or non-derivative securities of the Reporting Person that were previously reported.

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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