Form: 4

Statement of changes in beneficial ownership of securities

May 5, 2015

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 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
OSGOOD STEVEN G
  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
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
6745 ENGLE ROAD, SUITE 300
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2015
(Street)

MIDDLEBURG HEIGHTS, OH 44130
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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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) 05/01/2015   A   80,140 (3)     (1)   (4) Common shares of beneficial interest, $0.01 par value 80,140 (3) $ 13.1 80,140 (5) I See Footnote (3)
Class A OP Units (1) (2) (1) (2)               (1)   (4) Common shares of beneficial interest, $0.01 par value 14,400   14,400 (5) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
OSGOOD STEVEN G
6745 ENGLE ROAD
SUITE 300
MIDDLEBURG HEIGHTS, OH 44130
  X      

Signatures

 Steven G. Osgood, by Jason Parsont, its Attorney-in-fact   05/05/2015
**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) One year after the date of the completion of the initial public offering of the Issuer, 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 in the Partnership ("Class A OP Units") for cash in an amount equal to the market value of an equivalent number of the Issuer's common shares, or at the Issuer's option, common shares on a one-for-one basis, subject to certain adjustments.
(2) The Class A OP Units in this row include 4,800 Class A OP Units issuable upon the conversion of 4,800 vested long-term incentive plan units in the Partnership ("LTIP units") and 9,600 Class A OP Units issuable upon conversion of 9,600 unvested LTIP units. The unvested LTIP units were granted to the Reporting Person under the Issuer's 2013 Long-Term Incentive Plan, and vest along a schedule at certain times prior to December 31, 2017. upon the achievement of certain performance goals, or upon the completion of the Issuer's initial public offering.
(3) Consists of the Reporting Person's pecuniary interest in Class A OP Units held by Square Foot Sunbelt LLC, for which the Reporting Person has or shares voting and investment power.
(4) N/a
(5) The Reporting Person's total direct and indirect beneficial ownership following the reported transaction above is 94,540 Class A OP Units, which includes 4,800 Class A OP Units issuable upon the conversion of 4,800 vested LTIP units and 9,600 Class A OP Units issuable upon conversion of 9,600 unvested LTIP units.

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