Form 4 Filing by WINMILL & CO. INC

WINMILL & CO. INC. reported two transactions of Common Stock on August 25, 2026, and August 26, 2026. On August 25, 7,547 shares were acquired at a price of $5.6572 per share, resulting in a post-transaction ownership of 220,751 shares. On August 26, an additional 7,761 shares were acquired at $5.6381 per share, increasing the total post-transaction ownership to 228,512 shares. The filing indicates that the Reporting Person may be deemed an affiliate of the Issuer, Global Self Storage, Inc. The Winmill Family Trust, of which Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill are trustees, owns all voting stock of the Reporting Person. These trustees may be deemed to have indirect beneficial ownership, but they disclaim beneficial ownership of these shares.