WINMILL MARK CAMPBELL (CIK 1019264) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-11). Recent activity: Buy SELF (1,600 shares), Buy SELF (2,058 shares), Buy SELF (50 shares), Buy SELF (292 shares), Buy SELF (4,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-11 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 1,600 | $8,256 |
| 2026-09-11 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 2,058 | $10,619 |
| 2026-09-11 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 50 | $258 |
| 2026-09-11 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 292 | $1,507 |
| 2026-05-15 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 4,000 | $21,320 |
| 2026-03-25 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 12,672 | $64,374 |
| 2026-03-25 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 12,672 | $64,627 |
| 2025-12-05 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 6,000 | $30,780 |
| 2025-12-05 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 6,000 | $30,840 |
| 2025-12-05 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 800 | $4,040 |
| 2025-12-05 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 3,600 | $18,324 |
| 2025-05-20 | Global Self Storage, Inc. (SELF) | President and CEO | Buy | 10,000 | $56,700 |
来源：SEC Form 4 申报文件 · 截至 2026-09-11