Global Self Storage Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Global Self Storage Inc.
- Former names
- Self Storage Group, Inc. Global Income Fund, INC. Bull & Bear Global Income Fund INC/
- Ownership
- Public
- Status
- Active
- SIC code
- 6798 — Real Estate Investment Trusts
- Jurisdiction of incorporation
- Maryland
- Headquarters city
- Millbrook
- Headquarters state / province
- New York
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- SELF
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001031235
- EIN
- 13-3926714
Board of directors
-
Mark Campbell Winmill · Director · President and CEOSince 2023
-
Russell E. Burke III · DirectorSince 2023
-
Sally Coonrad Carroll · DirectorSince 2023
-
William Chester Zachary · DirectorSince 2023
Chief executives
Mark Campbell Winmill
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $940,645
- 37 purchases by 4 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 10, 2026 | Mark Campbell Winmill Director, Officer (President and CEO) | Open-market purchase | +50 | $5.16 | $258 |
| Sep 10, 2026 | Mark Campbell Winmill Director, Officer (President and CEO) | Open-market purchase | +292 | $5.16 | $1,507 |
| Sep 9, 2026 | Mark Campbell Winmill Director, Officer (President and CEO) | Open-market purchase | +1,600 | $5.16 | $8,256 |
| Sep 9, 2026 | Mark Campbell Winmill Director, Officer (President and CEO) | Open-market purchase | +2,058 | $5.16 | $10,619 |
| Aug 26, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +7,761 | $5.64 | $43,757 |
| Aug 25, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +7,547 | $5.66 | $42,695 |
| Aug 24, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +8,022 | $5.62 | $45,046 |
| Aug 21, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +7,117 | $5.45 | $38,805 |
| Aug 20, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +6,901 | $5.42 | $37,417 |
| Aug 19, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +6,877 | $5.40 | $37,163 |
| Aug 18, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +5,736 | $5.32 | $30,507 |
| Aug 17, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +7,117 | $5.33 | $37,936 |
| Aug 14, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +6,029 | $5.23 | $31,511 |
| Aug 13, 2026 | Russell E. Burke III Director | Open-market purchase | +1,625 | $5.21 | $8,459 |
| Aug 13, 2026 | WINMILL & CO. INC See "Explanation of Responses" | Open-market purchase | +5,629 | $5.20 | $29,277 |
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