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National Storage Affiliates Trust (NYSE: NSA): Public Storage merger

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

National Storage Affiliates Trust director Charles F. Wu reported issuer dispositions dated July 22, 2026. He returned 4,703 common shares of beneficial interest and 22,998 Class A OP Units, after which he reported no directly held NSA common shares or Class A OP Units. Pursuant to a March 16, 2026 Agreement and Plan of Merger with Public Storage, NSA common shares were converted into the right to receive 0.1400 newly issued Public Storage common shares plus cash in lieu of any fractional shares, and each Class A OP Unit was converted into Public Storage OP, L.P. common units at the same exchange ratio or, at the holder’s election, redeemed for one unit in NSA OP JV, LLC, which holds 80% of a joint venture owning specified real estate assets.

Positive

  • None.

Negative

  • None.
Insider Wu Charles F
Role Director
Type Security Shares Price Value
Disposition Class A OP Units F2, F3 22,998 -- --
Disposition Common shares of beneficial interest, $0.01 par value F1 4,703 -- --
Holdings After Transaction: Class A OP Units — 0 shares (Direct); Common shares of beneficial interest, $0.01 par value — 0 shares (Direct)
Footnotes (3)
  1. F1. Pursuant to the Agreement and Plan of Merger, dated as of March 16, 2026 (the "Merger Agreement"), between the Issuer, Public Storage and certain other parties, common shares of beneficial interest, $0.01 par value of the Issuer, inclusive of restricted shares, were converted into the right to receive 0.1400 (the "Exchange Ratio") newly issued common shares of beneficial interest, par value $0.10 per share, of Public Storage and cash in lieu of any fractional shares.
  2. F2. Pursuant to the Merger Agreement, each Class A OP Unit issued and outstanding immediately prior to the effective time of the Partnership Merger was (i) automatically converted into the right to receive a number of newly issued common units in Public Storage OP, L.P., equal to the Exchange Ratio or (ii), at the election of holders of Class A OP Units, redeemed in exchange for one newly issued unit in NSA OP JV, LLC which holds 80% of the equity of the joint venture with Public Storage that holds certain identified real estate assets contributed by the Partnership.
  3. F3. N/A.
Common shares disposed 4,703 shares Common shares of beneficial interest disposed to the issuer on July 22, 2026
Class A OP Units disposed 22,998 units Class A OP Units of National Storage Affiliates Trust disposed to the issuer on July 22, 2026
Exchange ratio 0.1400 Each NSA common share converted into the right to receive 0.1400 Public Storage common shares
Merger agreement date March 16, 2026 Agreement and Plan of Merger dated as of March 16, 2026 between NSA, Public Storage and others
Joint venture equity interest 80% NSA OP JV, LLC holds 80% of the equity of the joint venture with Public Storage
Agreement and Plan of Merger regulatory
"Pursuant to the Agreement and Plan of Merger, dated as of March 16, 2026"
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
Exchange Ratio financial
"receive 0.1400 (the "Exchange Ratio") newly issued common shares"
The exchange ratio is the number used to decide how many shares of one company you get for each share you own in another company during a merger or acquisition. It’s like a recipe that tells you how to swap shares fairly, ensuring both companies’ values are balanced. This ratio matters because it determines how ownership divides between the companies' shareholders.
Class A OP Unit financial
"each Class A OP Unit issued and outstanding immediately prior to the effective time"
cash in lieu of any fractional shares financial
"and cash in lieu of any fractional shares"
joint venture financial
"holds 80% of the equity of the joint venture with Public Storage"
A joint venture is when two or more companies team up to work on a specific project or business idea, sharing both the risks and the rewards. It’s like friends starting a lemonade stand together—each contributes resources and they split the profits, making it easier to succeed than going alone.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What did National Storage Affiliates Trust (NSA) director Charles F. Wu dispose of in this Form 4?

Charles F. Wu disposed of 4,703 common shares of beneficial interest and 22,998 Class A OP Units, both reported as dispositions to the issuer. After these transactions, he reported no directly held NSA common shares or Class A OP Units remaining.

How is the Public Storage merger reflected in the NSA Form 4 for Charles F. Wu?

The filing ties Wu’s dispositions to an Agreement and Plan of Merger dated March 16, 2026 with Public Storage. NSA common shares were converted into the right to receive 0.1400 Public Storage common shares plus cash for fractional shares, with similar treatment for Class A OP Units.

What is the 0.1400 exchange ratio mentioned for NSA in the merger with Public Storage?

The 0.1400 exchange ratio means each NSA common share of beneficial interest was converted into the right to receive 0.1400 newly issued Public Storage common shares. Cash is paid in lieu of any fractional shares resulting from applying this exchange ratio.

What happened to Charles F. Wu’s direct NSA holdings after these reported transactions?

Following the reported issuer dispositions, Wu’s holdings of NSA common shares and Class A OP Units were reduced to zero in this filing. Both the 4,703 common shares and 22,998 Class A OP Units show 0 securities directly owned after the transactions.

How were NSA Class A OP Units treated under the partnership merger involving Public Storage?

Under the merger, each Class A OP Unit was automatically converted into Public Storage OP, L.P. common units based on the 0.1400 exchange ratio or, at the holder’s election, redeemed for one unit in NSA OP JV, LLC, which holds 80% of a related real estate joint venture.
SEC Form 4
FORM 4UNITED 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
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
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*
Wu Charles F

(Last)(First)(Middle)
C/O NATIONAL STORAGE AFFILIATES TRUST
8400 EAST PRENTICE AVENUE, 9TH FLOOR

(Street)
GREENWOOD VILLAGE COLORADO 80111

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
National Storage Affiliates Trust [ NSA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/22/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common shares of beneficial interest, $0.01 par value(1)07/22/2026D4,703D(1)0(1)D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class A OP Units(2)(2)07/22/2026D22,998(2) (2) (3)Common shares of beneficial interest, $0.01 par value22,998(2)(2)0(2)D
Explanation of Responses:
1. Pursuant to the Agreement and Plan of Merger, dated as of March 16, 2026 (the "Merger Agreement"), between the Issuer, Public Storage and certain other parties, common shares of beneficial interest, $0.01 par value of the Issuer, inclusive of restricted shares, were converted into the right to receive 0.1400 (the "Exchange Ratio") newly issued common shares of beneficial interest, par value $0.10 per share, of Public Storage and cash in lieu of any fractional shares.
2. Pursuant to the Merger Agreement, each Class A OP Unit issued and outstanding immediately prior to the effective time of the Partnership Merger was (i) automatically converted into the right to receive a number of newly issued common units in Public Storage OP, L.P., equal to the Exchange Ratio or (ii), at the election of holders of Class A OP Units, redeemed in exchange for one newly issued unit in NSA OP JV, LLC which holds 80% of the equity of the joint venture with Public Storage that holds certain identified real estate assets contributed by the Partnership.
3. N/A.
/s/ Charles F. Wu, by Zoya F. Afridi, his Attorney-in-fact07/22/2026
** Signature of Reporting PersonDate
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)