Global Self Storage, Inc (SELF) insider trading
Every open-market stock purchase and sale by Global Self Storage, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $475K over the last 12 months (10 buys).
- Last insider buy: Mark Campbell Winmill (CEO), $21.3K, 5 months ago.
Last 12 months: insiders bought $475K (10 buys) and sold $0 (0 sales). Last close $5.01 on Jun 7, 2026.
Recent SELF insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| May 14, 2026 | Mark Campbell Winmill (CEO) | Bought | $21.3K |
| May 12, 2026 | Russell E Burke III (Director) | Bought (not open market) | $499 |
| May 12, 2026 | William Chester Zachary (Director) | Bought (not open market) | $499 |
| Mar 31, 2026 | William Chester Zachary (Director) | Bought (not open market) | $14K |
| Mar 31, 2026 | Russell E Burke III (Director) | Bought (not open market) | $14K |
| Mar 24, 2026 | Mark Campbell Winmill (CEO) | Bought (not open market) | $64.6K |
| Mar 24, 2026 | Donald Klimoski II (General Counsel) | Bought (not open market) | $28.2K |
| Mar 24, 2026 | Thomas OMalley (CFO) | Bought (not open market) | $28.2K |
| Mar 24, 2026 | Russell Kamerman (General Counsel) | Bought (not open market) | $2.5K |
| Dec 5, 2025 | Mark Campbell Winmill (CEO) | Bought | $18.3K |
| Dec 5, 2025 | Mark Campbell Winmill (CEO) | Bought | $4K |
| Dec 4, 2025 | Mark Campbell Winmill (CEO) | Bought | $30.8K |
| Dec 3, 2025 | Mark Campbell Winmill (CEO) | Bought | $30.8K |
| Dec 2, 2025 | Donald Klimoski II (General Counsel) | Bought | $2.3K |
| Dec 1, 2025 | Winmill & Co. Inc (Insider) | Bought | $15.9K |
| Nov 28, 2025 | Winmill & Co. Inc (Insider) | Bought | $17.2K |
| Nov 26, 2025 | Winmill & Co. Inc (Insider) | Bought | $25.2K |
| Nov 25, 2025 | Winmill & Co. Inc (Insider) | Bought | $23.6K |
| Nov 24, 2025 | Winmill & Co. Inc (Insider) | Bought | $20.9K |
| Nov 21, 2025 | Winmill & Co. Inc (Insider) | Bought | $31.7K |
| Nov 20, 2025 | Winmill & Co. Inc (Insider) | Bought | $29.8K |
| Nov 19, 2025 | Winmill & Co. Inc (Insider) | Bought | $32K |
| Nov 18, 2025 | Winmill & Co. Inc (Insider) | Bought | $29K |
| Nov 17, 2025 | Winmill & Co. Inc (Insider) | Bought | $31.9K |
| Nov 14, 2025 | Winmill & Co. Inc (Insider) | Bought | $35.8K |
Who's trading SELF
- Mark Campbell Winmill, CEO: bought $105K (5 buys), last May 14, 2026
- Russell E Burke III, Director: other filings, last May 12, 2026
- William Chester Zachary, Director: other filings, last May 12, 2026
- Donald Klimoski II, General Counsel: bought $2.3K (1 buy), last Mar 24, 2026
- Thomas OMalley, CFO: other filings, last Mar 24, 2026
- Russell Kamerman, General Counsel: other filings, last Mar 24, 2026
- Winmill & Co. Inc, Insider: bought $367K (14 buys), last Dec 1, 2025
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