# EDGAR Filing Document

**Accession Number:** 0001031235
**File Stem:** 0001193125-26-191486
**Filing Date:** 2026-4
**Character Count:** 2319
**Document Hash:** 977682e215d5cba9ad643e38aefdb44b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-191486.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001193125-26-191486

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Global Self Storage, Inc.
- **CENTRAL INDEX KEY:** 0001031235
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 133926714
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-12681
- **FILM NUMBER:** 26915772

**BUSINESS ADDRESS:**
- **STREET 1:** 3814 ROUTE 44
- **CITY:** MILLBROOK
- **STATE:** NY
- **ZIP:** 12545
- **BUSINESS PHONE:** 2127850900

**MAIL ADDRESS:**
- **STREET 1:** 3814 ROUTE 44
- **CITY:** MILLBROOK
- **STATE:** NY
- **ZIP:** 12545

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Self Storage Group, Inc.
- **DATE OF NAME CHANGE:** 20131118

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GLOBAL INCOME FUND, INC.
- **DATE OF NAME CHANGE:** 20060215

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GLOBAL INCOME FUND INC
- **DATE OF NAME CHANGE:** 19990830

**UNITED STATES <br>SECURITIES AND EXCHANGE COMMISSION <br>Washington, D.C. 20549**

**SCHEDULE 14A**

**Proxy Statement Pursuant to Section 14(a) of <br>the Securities Exchange Act of 1934 (Amendment No.)**

Filed by the Registrant🗹

Filed by a Party other than the Registrant □

Check the appropriate box:

□Preliminary Proxy Statement

□**Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

□Definitive Proxy Statement

🗹 Definitive Additional Materials

□ Soliciting Material under §240.14a-12

**Global Self Storage, Inc.**

(Name of Registrant as Specified in Its Charter)

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(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

🗹No fee required.

□Fee paid previously with preliminary materials.

□Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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