StockData
SELFNasdaqReal Estate Investment TrustsFiscal year ends December 31

Global Self Storage, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$4.99+0.08 (+1.63%)

Close on Oct 19, 2026

Market cap
$56.34M
P/E (TTM)
27.7
Dividend yield
5.81%

About Global Self Storage

Real Estate Investment Trusts, SIC 6798

Global Self Storage, Inc. is a self-administered and self-managed real estate investment trust that owns, operates, manages, acquires, and redevelops self-storage properties across the United States. Operating primarily within the rental operations segment, the company leases traditional, climate-controlled, and vehicle storage units to residential and commercial customers. It also manages properties for third parties through its third-party management platform and provides tenant-focused services such as automated kiosks and reservation support.

As of late 2025, the company's footprint encompasses thirteen properties comprising 7,044 storage units and 966,567 net leasable square feet across Connecticut, Illinois, Indiana, New York, Ohio, Pennsylvania, South Carolina, and Oklahoma. Its portfolio includes an Edmond, Oklahoma property consisting of 619 units and 137,318 leasable square feet operated via third-party management. Global Self Storage is headquartered in Millbrook, New York, and employs 36 personnel.

Summary of the business section of Global Self Storage's latest annual report, written by StockData.

Company profile

Company

Legal name
Global Self Storage, Inc.
Founded
1996
Headquarters
Millbrook, NY
Address
3814 Route 44 12545
Phone
(212) 785-0900
Employees
36, Dec 31, 2025
Industry
Real Estate Investment Trusts
Incorporated in
Maryland
Fiscal year ends
December 31
Auditor
RSM US LLP, Dallas, Texas, United States

Stock & identifiers

Ticker
SELF
Exchange
Nasdaq
IPO date
Feb 7, 1997
Shares outstanding
11M, Aug 6, 2026
Public float
$54.96M, Jun 30, 2025
SEC CIK
1031235
CUSIP
37955N106
ISIN
US37955N1063
EIN
13-3926714

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Mark Campbell WinmillPresident and CEO, Director372,290
Russell KamermanAssistant General Counsel5,925
Thomas OMalleyChief Financial Officer86,167
Donald Klimoski IIGeneral Counsel97,554
Russell E. Burke IiiDirector40,002
William Chester ZacharyDirector18,296
Sally Coonrad CarrollDirector3,776

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Mark Winmill
$693.48K$644.64K$292.65K$101–
FY2024
Mark Winmill
$813.32K$906.45K$354.14K$122–
FY2023
Mark Winmill
$593.07K$592.13K$269.02K$101–
FY2022
Mark Winmill
$526.25K$512.76K$208.56K$90–
FY2021
Mark Winmill
$587.95K$660.45K$247.26K$149–

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Employees

Headcount reported in annual reports

“As of December 31, 2025, the Company had 36 total employees and owned and operated, or managed, through its wholly owned subsidiaries, thirteen stores.”

Corporate history

Events identified from SEC filings

DateEventDetails
Nov 19, 2019Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Oct 11, 2019Auditor changeChange in certifying accountant (8-K Item 4.01)
Jan 5, 2017Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Sep 27, 2016Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Sep 1, 2016Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Feb 9, 2016Name changeName changed from Self Storage Group, Inc. to Global Self Storage, Inc.
Jan 29, 2016ListingRegistration of securities on an exchange (Form 8-A)
Jan 22, 2016Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Jun 30, 2015Spin-offRegistration as a new public company (Form 10), e.g. spin-off
Oct 25, 2013Name changeName changed from GLOBAL INCOME FUND, INC. to Self Storage Group, Inc.
Mar 27, 2008DelistingNotice of delisting from exchange (Form 25)
Aug 13, 1999Name changeName changed from BULL & BEAR GLOBAL INCOME FUND INC/ to GLOBAL INCOME FUND INC
Jan 23, 1997Spin-offRegistration as a new public company (Form 10), e.g. spin-off