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

Winmill & Co. Inc., a 10% owner and affiliate, reported open market purchases of Global Self Storage, Inc. common stock on November 25 and 26, 2025.

Summary

• Winmill & Co. Inc., identified as a 10% owner and affiliate of Global Self Storage, Inc. (SELF), reported two separate purchases of common stock.
• On November 25, 2025, Winmill & Co. Inc. acquired 4,547 shares of common stock at a price of $5.1829 per share.
• Following this transaction, the reporting person beneficially owned 136,364 shares.
• On November 26, 2025, an additional 4,873 shares of common stock were purchased at $5.1662 per share.
• After the second transaction, Winmill & Co. Inc.'s total beneficial ownership increased to 141,237 shares.
• The Winmill Family Trust owns all voting stock of Winmill & Co. Inc., and its trustees (Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill) may be deemed to have indirect beneficial ownership.
• Each of the individual trustees and the Winmill Family Trust disclaims beneficial ownership of these shares.

Sentiment

Score: 8

Explanation: The sentiment is positive due to significant insider buying by a 10% owner and affiliate, indicating strong confidence in the company's value and future prospects.

Positives

• Increased beneficial ownership by a significant shareholder (10% owner and affiliate) signals confidence in the company's future prospects.
• The purchases were made in the open market, indicating a direct investment decision at prevailing market prices.

Future Outlook

This filing does not contain any forward-looking statements or guidance from the company.

Industry Context

Insider buying, particularly by a significant shareholder or affiliate, is often interpreted by the market as a positive signal, suggesting that those closest to the company believe its shares are undervalued or expect positive developments. In the self-storage REIT sector, such transactions can reflect confidence in the company's asset performance, growth strategy, or overall market conditions.

Related Party Transactions

• Winmill & Co. Inc., a 10% owner and affiliate of Global Self Storage, Inc., engaged in open market purchases of the issuer's common stock.
• The Winmill Family Trust, which owns all voting stock of Winmill & Co. Inc., and its trustees (Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill) are deemed to have indirect beneficial ownership, though they disclaim such ownership.

Stakeholder Impact

• Shareholders may view the increased insider ownership as a positive indicator of management and significant investor confidence, potentially leading to increased investor interest and share price stability or appreciation.
• The transactions demonstrate continued commitment from a major stakeholder.

Key Dates

Recommendation

The purchases by Winmill & Co. Inc., a 10% owner and affiliate, represent a strong vote of confidence from a well-informed party. Insider buying is generally a bullish signal, suggesting that those with deep knowledge of the company believe the stock is undervalued or anticipate positive future performance. This action warrants a 'buy' recommendation for investors looking for positive insider sentiment.

Keywords

Global Self Storage, SELF, Winmill & Co., Insider Buying, Form 4, Beneficial Ownership, Common Stock, Self Storage REIT