Within the last three months, Mark Campbell Winmill has bought $29,136.00 of Global Self Storage stock. Most recently, on Tuesday, August 23rd, Mark Campbell Winmill bought 4,800 shares of Global Self Storage stock. The stock was acquired at an average cost of $6.07 per share, with a total value of $29,136.00. Following the completion of the transaction, the chief executive officer now directly owns 176,637 shares of the company's stock, valued at $1,072,186.59. Learn More on Mark Campbell Winmill's trading history.