Global Self Storage (SELF) Affiliate Winmill & Co. Inc. Buys Shares

What Happened
Winmill & Co. Inc., an affiliate of the Winmill Family Trust, purchased a total of 12,135 shares of Global Self Storage, Inc. (SELF) in two open-market transactions. On 2026-08-11 it acquired 5,887 shares at $5.17 each ($30,409) and on 2026-08-12 it acquired 6,248 shares at $5.15 each ($32,192), for a combined cash outlay of about $62,601. These were purchases (transaction code P), i.e., buys rather than sales.

Key Details

• Transaction dates & prices: 2026-08-11 — 5,887 shares @ $5.17; 2026-08-12 — 6,248 shares @ $5.15.
• Total shares bought: 12,135; total value: ~$62,601.
• Shares owned after transaction: Not disclosed in the filing.
• Filing date: 2026-08-12 (appears timely relative to the trade dates).
• Notable footnote: The filing states Winmill & Co. Inc. may be deemed an affiliate. The Winmill Family Trust owns all voting stock of the reporting entity; trustees Thomas B. Winmill, Mark C. Winmill, William Winmill, and Woodworth Winmill may be deemed to have indirect beneficial ownership but disclaim beneficial ownership of these shares.

Context
These were open-market cash purchases (code P) by an affiliate entity, not an option exercise, gift, or withholding event. The filing’s remarks clarify corporate/affiliate relationships and disclaimers — useful for understanding who may have influence but not necessarily who directly controls the purchased shares. The filing includes no indication of a 10b5-1 plan or other special execution method.