WINMILL MARK CAMPBELL 13D and 13G filings for Global Self Storage, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-12-05 4:26 pm Purchase | 2025-12-03 | 13D | GLOBAL SELF STORAGE INC SELF | WINMILL MARK CAMPBELL | 947,735 8.400% | 123,858 (+15.03%) | Filing |
| 2025-05-21 4:01 pm Purchase | 2025-05-21 | 13D | GLOBAL SELF STORAGE INC SELF | WINMILL MARK CAMPBELL | 823,877 7.300% | 343,469 (+71.50%) | Filing |