Form 4: Winmill & Co. Boosts Stake in Global Self Storage

Winmill & Co. Inc., a 10% owner and affiliate, reported increasing its beneficial ownership in Global Self Storage, Inc. through recent common stock purchases.

Summary

• Winmill & Co. Inc., a 10% owner and affiliate of Global Self Storage, Inc. (SELF), acquired additional common stock.
• On November 28, 2025, 3,342 shares of common stock were acquired at a price of $5.1552 per share.
• On December 1, 2025, an additional 3,062 shares of common stock were acquired at a price of $5.1774 per share.
• Following these transactions, Winmill & Co. Inc. beneficially owns a total of 147,641 shares of Global Self Storage, Inc. common stock.

Sentiment

Score: 7

Explanation: The acquisition of additional shares by a 10% owner and affiliate generally indicates confidence in the company's future performance and valuation, which is a positive signal for investors.

Positives

• A significant shareholder and affiliate, Winmill & Co. Inc., increased its stake in Global Self Storage, Inc., signaling confidence in the company's future.
• The purchases were made at market prices, indicating a belief in the current valuation or future appreciation.

Future Outlook

No forward-looking statements or guidance were provided in this Form 4 filing, which focuses solely on changes in beneficial ownership.

Management Comments

• The Reporting Person may be deemed to be an affiliate of the Issuer.
• The Winmill Family Trust owns all of the voting stock of the Reporting Person.
• Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill are trustees of the Winmill Family Trust and may be deemed to have indirect beneficial ownership of the Reporting Person's shares as a result of their status as controlling persons of the Winmill Family Trust and the Reporting Person.
• Each of Thomas B. Winmill, Mark C. Winmill, William Winmill, Woodworth Winmill, and the Winmill Family Trust disclaims beneficial ownership of these shares.

Industry Context

The self-storage industry, in which Global Self Storage, Inc. operates, has seen consistent demand, often considered a resilient sector. Insider purchases by significant shareholders like Winmill & Co. Inc. can be interpreted as a positive signal regarding the company's prospects within this industry.

Related Party Transactions

• Winmill & Co. Inc. is deemed an affiliate of Global Self Storage, Inc.
• The Winmill Family Trust owns all voting stock of Winmill & Co. Inc.
• Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill are trustees of the Winmill Family Trust and controlling persons of Winmill & Co. Inc., potentially having indirect beneficial ownership, though they disclaim it.

Stakeholder Impact

• Shareholders: May view the increased stake by a significant owner as a positive indicator of future stock performance and management confidence.
• Management: The continued investment by an affiliate could reinforce alignment of interests.

Key Dates

Recommendation

The insider buying by Winmill & Co. Inc., a 10% owner and affiliate, is a positive signal indicating confidence in Global Self Storage, Inc.'s valuation and future prospects. While this alone does not warrant a 'buy' recommendation without a broader financial analysis, it provides a favorable data point for existing shareholders and those considering an investment, suggesting a 'hold' position is appropriate to monitor further developments.

Keywords

Global Self Storage, SELF, Winmill & Co., insider buying, Form 4, beneficial ownership, common stock, equity acquisition, affiliate transaction