Mark Campbell Winmill, President and CEO at Global Self Storage, Inc. (SELF), bought 10,000 shares at $5.67 ($57K) on 2025-05-19, disclosed to the SEC on 2025-05-20.
Seasonal purchase ($57k) by President and CEO — this insider has traded SELF in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| SELF | BUY | 2025-12-05 | $84K | — | Filing → |
| SELF | BUY | 2024-05-30 | $114K | — | Filing → |
| SELF | BUY | 2023-11-17 | $35K | — | Filing → |