Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Mark Campbell Winmill currently holds 335,638.29 shares of Global Self Storage, Inc. (SELF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Campbell Winmill has been a net buyer of SELF stock. They have purchased $633.0K and sold $75.5K worth of shares.
Mark Campbell Winmill's most recent insider trade was on Dec 5, 2025, when they purchased 800 shares at $5.05 per share.
Mark Campbell Winmill serves as Executive at Global Self Storage, Inc. (SELF). They have executed 93 insider transactions totaling $708.5K over their tenure at the company.
Mark Campbell Winmill holds the position of Executive at Global Self Storage, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Mark Campbell Winmill has shown a buying trading pattern, with $633.0K in total purchases and $75.5K in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Mark Campbell Winmill was on Mar 25, 2024, when they purchased $164.4K worth of SELF shares. This transaction involved 38,054 shares at $4.32 per share.
Mark Campbell Winmill currently owns 335,638.29 shares of Global Self Storage, Inc. (SELF), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Mark Campbell Winmill's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Mark Campbell Winmill has 93 Form 4 filings on record as an insider at Global Self Storage, Inc..
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