What are the terms of the 2025 performance-based share award at Global Self Storage (SELF)?

One 5,527-share award will be earned based on achieving certain 2025 performance targets. Once earned, it vests 6.25% quarterly over four years, retroactive from 2025, and carries full voting and dividend rights even before vesting is completed.

How is the 2026 performance-based share award for SELF’s General Counsel structured?

A second 5,527-share award is tied to achieving specified 2026 performance targets. After those targets are met, the shares vest 6.25% quarterly over four years, retroactive from 2026, with Klimoski retaining voting and dividend rights on all granted shares, including unvested ones.

Global Self Storage (SELF) grants GC 11,054 performance-based shares

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Klimoski Donald II reported acquisition or exercise transactions in this Form 4 filing.

Global Self Storage, Inc. General Counsel Donald Klimoski II received two equity awards totaling 11,054 shares of common stock on March 24, 2026, at prices of $5.08 and $5.10 per share. These shares are tied to achieving 2025 and 2026 performance targets and will vest 6.25% quarterly over four years, retroactive from each respective year. Klimoski has voting and dividend rights on all awarded shares, including unvested portions, and now directly holds 97,554 common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Klimoski Donald II

Role General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,527	$5.08	$28K
Grant/Award	Common Stock	5,527	$5.10	$28K

Holdings After Transaction: Common Stock — 92,027 shares (Direct)

Footnotes (1)

Shares earned based on achieving certain 2025 performance targets. The shares will vest 6.25% quarterly retroactively from 2025 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares. Shares will be earned based upon achieving certain 2026 performance targets, then will vest 6.25% quarterly retroactively from 2026 over a four year period. The Reporting Person has dividend and voting rights on all of these shares, including unvested shares.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/25/2026 - 04:59 PM

SEC Form 4

FORM 4

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
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

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^*

Klimoski Donald II

(Last)

(First)

(Middle)

3814 ROUTE 44

(Street)

MILLBROOK

NEW YORK

12545

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Global Self Storage, Inc. [ SELF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/24/2026		A		5,527⁽¹⁾	A	$5.08	92,027	D
Common Stock	03/24/2026		A		5,527⁽²⁾	A	$5.1	97,554	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares earned based on achieving certain 2025 performance targets. The shares will vest 6.25% quarterly retroactively from 2025 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares.

2. Shares will be earned based upon achieving certain 2026 performance targets, then will vest 6.25% quarterly retroactively from 2026 over a four year period. The Reporting Person has dividend and voting rights on all of these shares, including unvested shares.

	Donald Klimoski II	03/25/2026
	** Signature of Reporting Person	Date
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Global Self Storage (SELF) report for Donald Klimoski II?

Global Self Storage reported that General Counsel Donald Klimoski II received two awards totaling 11,054 common shares on March 24, 2026. These are compensation-related grants, not open-market purchases, and are linked to specific 2025 and 2026 performance targets and multi-year vesting.

How many Global Self Storage (SELF) shares does Donald Klimoski II now hold?

After the reported awards, Donald Klimoski II directly holds 97,554 Global Self Storage common shares. This total reflects the inclusion of the second 5,527-share grant and shows his cumulative equity stake following the March 24, 2026 performance-based awards.

Were the Global Self Storage (SELF) awards open-market purchases or compensation grants?

The transactions are classified as “A” code grants, described as grant, award, or other acquisition. They represent compensation-related equity awards, not open-market stock purchases, and are contingent on performance goals and multi-year vesting schedules set for 2025 and 2026.

What rights does Donald Klimoski II have on unvested Global Self Storage (SELF) shares?

Klimoski has full voting and dividend rights on all awarded shares, including unvested portions. This means he can vote and receive dividends on the performance-based grants immediately, even though the shares vest gradually over four-year periods from 2025 and 2026.