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SCHEDULE 13D/A
SCHEDULE 13D/A0001628873-25-000012·Global Self Storage, Inc.
Schedule 13D ownership disclosure
GLOBAL SELF STORAGE INC
Common Stock, $0.01 par value per share · CUSIP: 37955N106
Event date: 2025-12-03
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- Mark Campbell WinmillReported CIK 0001019264
Shares: 947,735.29 · Class: 8.4%
- Thomas Bassett WinmillReported CIK 0001018500
Shares: 587,600 · Class: 5.2%
- Winmill Family Trust
Shares: 586,500 · Class: 5.2%
- Winmill & Co. IncorporatedReported CIK 0000052234
Shares: 586,500 · Class: 5.2%
- Midas Securities Group, Inc.Reported CIK 0001141394
Shares: 438,859 · Class: 3.9%
- TUXIS CORPReported CIK 0000736952
Shares: 303,758 · Class: 2.7%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001628873-25-000012
- Form type
- SCHEDULE 13D/A
- Filer
- Global Self Storage, Inc.
- CIK
- CIK 1031235
- Filed
- Dec 05, 2025
- Reporting period
- Dec 03, 2025
- Description
- Schedule 13D beneficial ownership