WINMILL MARK CAMPBELL - Insider Non-Derivative Transactions at Global Self Storage, Inc. (SELF) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 5, 2025, WINMILL MARK CAMPBELL's relationship to Global Self Storage, Inc. (SELF) is Director,Officer (President and CEO), and currently has 339,238.29 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other SELF insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
WINMILL MARK CAMPBELL - Insider Non-Derivative Transactions of SELF Common Stock
WINMILL MARK CAMPBELL - Insider Non-Derivative Transactions at SELF
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 6, 2025 | P -- (Common Stock) | 800 | 5.05 | 335638.29 |
| Dec 6, 2025 | P -- (Common Stock) | 3600 | 5.09 | 339238.29 |
| Dec 5, 2025 | P -- (Common Stock) | 6000 | 5.14 | 334838.29 |
| Dec 4, 2025 | P -- (Common Stock) | 6000 | 5.13 | 328838.29 |
| May 20, 2025 | P -- (Common Stock) | 10000 | 5.67 | 322838.29 |
| Mar 26, 2025 | Acquisition -- (Common Stock) | 12672 | 5.08 | 300166.29 |
| Mar 26, 2025 | Acquisition -- (Common Stock) | 12672 | 4.32 | 312838.29 |
| May 31, 2024 | P -- (Common Stock) | 20000 | 4.97 | 287494.29 |
| May 29, 2024 | P -- (Common Stock) | 2400 | 4.9 | 266995.29 |
| May 29, 2024 | P -- (Common Stock) | 24 | 4.91 | 267019.29 |
| May 29, 2024 | P -- (Common Stock) | 375 | 4.91 | 267394.29 |
| May 29, 2024 | P -- (Common Stock) | 100 | 4.9 | 267494.29 |
| Mar 26, 2024 | Acquisition -- (Common Stock) | 12672 | 4.32 | 223074.29 |
| Mar 26, 2024 | Acquisition -- (Common Stock) | 3467 | 4.32 | 226541.29 |
| Mar 26, 2024 | Acquisition -- (Common Stock) | 38054 | 4.32 | 264595.29 |
| Nov 17, 2023 | P -- (Common Stock) | 1200 | 4.82 | 204402.29 |
| Nov 17, 2023 | P -- (Common Stock) | 489 | 4.81 | 204891.29 |
| Nov 17, 2023 | P -- (Common Stock) | 1511 | 4.81 | 206402.29 |
| Nov 17, 2023 | P -- (Common Stock) | 2000 | 4.87 | 208402.29 |
| Nov 17, 2023 | P -- (Common Stock) | 1000 | 4.81 | 209402.29 |
| Nov 17, 2023 | P -- (Common Stock) | 1000 | 4.84 | 210402.29 |
| Aug 18, 2023 | P -- (Common Stock) | 1000 | 5.07 | 203202.29 |
| May 16, 2023 | P -- (Common Stock) | 1500 | 5.1 | 195902.29 |
| May 16, 2023 | P -- (Common Stock) | 745 | 5.1 | 196647.29 |
| May 16, 2023 | P -- (Common Stock) | 100 | 5.13 | 196747.29 |
| May 16, 2023 | P -- (Common Stock) | 655 | 5.15 | 197402.29 |
| May 16, 2023 | P -- (Common Stock) | 200 | 5.13 | 197602.29 |
| May 16, 2023 | P -- (Common Stock) | 1300 | 5.15 | 198902.29 |
| May 16, 2023 | P -- (Common Stock) | 1500 | 5.1 | 200402.29 |
| May 16, 2023 | P -- (Common Stock) | 1800 | 5.13 | 202202.29 |
| Mar 28, 2023 | Acquisition -- (Common Stock) | 12672 | 5.11 | 192309.29 |
| Mar 28, 2023 | Acquisition -- (Common Stock) | 2093 | 5.52 | 194402.29 |
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