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National Storage Affiliates (NYSE: NSA) CAO updates holdings in merger

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

National Storage Affiliates Trust Chief Accounting Officer John Esbenshade reported merger-related equity restructurings tied to an Agreement and Plan of Merger with Public Storage. 6,705 LTIP Units were converted and eliminated, 25,901 Class A OP Units were disposed of, and 50 Series A preferred shares became the right to receive an equal number of Public Storage preferred shares.

He also received 2,599 restricted common shares upon LTIP conversion, while 2,649.501 common shares, including certain Restricted Shares, were surrendered to satisfy tax withholding in connection with a share exchange at a 0.1400 Exchange Ratio into Public Storage common shares plus cash in lieu of fractional shares.

Positive

  • None.

Negative

  • None.
Insider Esbenshade John
Role Chief Accounting Officer
Type Security Shares Price Value
Conversion LTIP Units F1, F4, F5, F6, F7 6,705 -- --
Disposition Class A OP Units F5, F6, F8, F7 25,901 -- --
Conversion Common shares of beneficial interest, $0.01 par value F1, F2 2,599 -- --
Disposition Common shares of beneficial interest, $0.01 par value F1, F2 2,649.501 -- --
Disposition Series A Preferred Shares F3 50 -- --
Holdings After Transaction: LTIP Units — 0 shares (Direct); Class A OP Units — 0 shares (Direct); Common shares of beneficial interest, $0.01 par value — 0 shares (Direct); Series A Preferred Shares — 0 shares (Direct)
Footnotes (8)
  1. F1. In connection with the transactions contemplated by the Agreement and Plan of Merger, dated as of March 16, 2026 (the "Merger Agreement"), between the Issuer, Public Storage and certain other parties, each outstanding time-based long term incentive plan unit ("LTIP Unit") of NSA OP, LP (the "Partnership") that was granted to the Reporting Person in 2026 (such LTIP Units, the "2026 time-based LTIP Units") was converted on a one-for-one basis into an equal number of restricted common shares of beneficial interest, $0.01 par value, of the Issuer ("Restricted Shares").
  2. F2. Pursuant to the Merger Agreement, 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. Certain Restricted Shares were surrendered to satisfy statutory minimum federal and state tax obligations associated with the vesting.
  3. F3. Pursuant to the Merger Agreement, each issued and outstanding 6.000% Series A cumulative redeemable preferred share of beneficial interest, par value $0.01 per share of the Issuer was converted into the right to receive one newly issued share of 6.000% Cumulative Preferred Shares of beneficial interest, Series T, par value $0.01 per share, of Public Storage.
  4. F4. Except as otherwise described above in Footnote 1 above with respect to the 2026 time-based LTIP Units, pursuant to the terms of the Merger Agreement, each outstanding and unvested LTIP Unit (other than performance-based LTIP Units granted in 2026) vested in full immediately prior to the effective time of the merger of a subsidiary of Public Storage into the Partnership (the "Partnership Merger"), with any applicable performance-based vesting conditions deemed achieved at target performance levels. Performance-based LTIP Units granted in 2026 and any performance-based LTIP Units that would only vest at maximum performance levels were deemed forfeited.
  5. F5. At the effective time of the Partnership Merger, each vested LTIP Unit that was eligible for conversion was converted into one Class A unit of limited partnership interest in the Partnership ("Class A OP Unit") in accordance with the Merger Agreement.
  6. F6. 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.
  7. F7. N/A.
  8. F8. Includes certain LTIP Units previously reported on a fully converted basis, as Class A OP Units, which were subsequently converted into Restricted Shares (as described in Footnote 1 above) or deemed forfeited (as described in Footnote 4 above).
LTIP Units converted 6,705 LTIP Units Time-based LTIP Units converted and eliminated in merger-related transactions on 2026-07-22
Class A OP Units disposed 25,901 Class A OP Units Class A OP Units disposed of with balance reported as zero on 2026-07-22
Common shares acquired via conversion 2,599 common shares Restricted common shares received on conversion of 2026 time-based LTIP Units
Common shares surrendered for taxes 2,649.501 common shares Common and Restricted Shares surrendered to satisfy statutory tax obligations
Series A preferred shares converted 50 shares 6.000% Series A cumulative redeemable preferred shares converted into rights to receive Public Storage Series T preferred shares
Exchange Ratio to Public Storage common 0.1400 Each NSA common share, including Restricted Shares, converted into 0.1400 Public Storage common shares plus cash for fractional shares
LTIP Unit financial
"each outstanding time-based long term incentive plan unit (LTIP Unit) of NSA OP, LP"
An LTIP unit is a piece of long-term compensation granted to executives or employees that represents a right to future company value, paid in cash, stock, or stock-like units if certain performance goals or time-based vesting conditions are met. Investors care because LTIP units can dilute existing shares when converted to stock, signal how management is paid and incentivized, and affect future cash flow if settled in cash—think of them like delayed bonuses tied to company performance.
Class A OP Unit financial
"each vested LTIP Unit that was eligible for conversion was converted into one Class A OP Unit"
Restricted Shares financial
"was converted on a one-for-one basis into an equal number of restricted common shares of beneficial interest (Restricted Shares)"
Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.
Exchange Ratio financial
"were converted into the right to 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.
Agreement and Plan of Merger financial
"In connection with the transactions contemplated by 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.

FAQ

What transactions did NSA’s Chief Accounting Officer report on 2026-07-22?

NSA’s Chief Accounting Officer John Esbenshade reported merger-related conversions and dispositions on 2026-07-22, including LTIP Units, Class A OP Units, common shares and preferred shares. These changes reflect equity being exchanged or converted in connection with the Public Storage merger structure.

How were NSA LTIP Units treated for John Esbenshade in the NSA (NSA) report?

Time-based LTIP Units granted in 2026 were converted on a one-for-one basis into restricted NSA common shares, then the LTIP Unit position dropped to zero. Most other outstanding and unvested LTIP Units vested, while certain performance-based LTIP Units were deemed forfeited under the merger terms.

What happened to John Esbenshade’s Class A OP Units in NSA (NSA)?

He disposed of 25,901 Class A OP Units, leaving a reported balance of zero. Under the merger terms, each Class A OP Unit became the right to receive Public Storage OP units at the Exchange Ratio or, at the holder’s election, units in NSA OP JV, LLC.

How were NSA common shares exchanged in the Public Storage merger for NSA (NSA)?

NSA common shares, including Restricted Shares, were converted into the right to receive 0.1400 Public Storage common shares plus cash in lieu of fractional shares. Certain Restricted Shares, totaling 2,649.501 shares, were surrendered to satisfy statutory minimum federal and state tax obligations.

What happened to the 6.000% Series A preferred shares in the NSA (NSA) insider report?

50 Series A preferred shares held by John Esbenshade were disposed of, leaving a reported balance of zero. Each such NSA Series A share was converted into the right to receive one newly issued 6.000% Cumulative Preferred Share, Series T, of Public Storage.

Were NSA (NSA) insider transactions reported under a Rule 10b5-1 trading plan?

No. The Rule 10b5-1 checkbox in the report was not selected, and the footnotes do not describe any pre-arranged trading plan. The transactions are described instead as occurring pursuant to the Merger Agreement with Public Storage.

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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*
Esbenshade John

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
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)07/22/2026C2,599(1)A(1)2,649.501(1)(2)D
Common shares of beneficial interest, $0.01 par value(1)07/22/2026D2,649.501(1)D(1)(2)0(2)D
Series A Preferred Shares07/22/2026D50(3)D(3)0(3)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
LTIP Units(1)(4)(1)(4)(5)(6)07/22/2026C6,705(1)(4) (1)(4)(5)(6) (7)Class A OP Units(5)6,705(1)(4)(1)(4)0(1)(4)(5)D
Class A OP Units(5)(6)(6)07/22/2026D25,901(5)(6)(8) (6) (7)Common shares of beneficial interest, $0.01 par value25,901(5)(6)(5)(6)(8)0(5)(6)(8)D
Explanation of Responses:
1. In connection with the transactions contemplated by the Agreement and Plan of Merger, dated as of March 16, 2026 (the "Merger Agreement"), between the Issuer, Public Storage and certain other parties, each outstanding time-based long term incentive plan unit ("LTIP Unit") of NSA OP, LP (the "Partnership") that was granted to the Reporting Person in 2026 (such LTIP Units, the "2026 time-based LTIP Units") was converted on a one-for-one basis into an equal number of restricted common shares of beneficial interest, $0.01 par value, of the Issuer ("Restricted Shares").
2. Pursuant to the Merger Agreement, 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. Certain Restricted Shares were surrendered to satisfy statutory minimum federal and state tax obligations associated with the vesting.
3. Pursuant to the Merger Agreement, each issued and outstanding 6.000% Series A cumulative redeemable preferred share of beneficial interest, par value $0.01 per share of the Issuer was converted into the right to receive one newly issued share of 6.000% Cumulative Preferred Shares of beneficial interest, Series T, par value $0.01 per share, of Public Storage.
4. Except as otherwise described above in Footnote 1 above with respect to the 2026 time-based LTIP Units, pursuant to the terms of the Merger Agreement, each outstanding and unvested LTIP Unit (other than performance-based LTIP Units granted in 2026) vested in full immediately prior to the effective time of the merger of a subsidiary of Public Storage into the Partnership (the "Partnership Merger"), with any applicable performance-based vesting conditions deemed achieved at target performance levels. Performance-based LTIP Units granted in 2026 and any performance-based LTIP Units that would only vest at maximum performance levels were deemed forfeited.
5. At the effective time of the Partnership Merger, each vested LTIP Unit that was eligible for conversion was converted into one Class A unit of limited partnership interest in the Partnership ("Class A OP Unit") in accordance with the Merger Agreement.
6. 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.
7. N/A.
8. Includes certain LTIP Units previously reported on a fully converted basis, as Class A OP Units, which were subsequently converted into Restricted Shares (as described in Footnote 1 above) or deemed forfeited (as described in Footnote 4 above).
/s/ John Esbenshade, 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)