John James Sullivan has not been actively trading shares of Mesa Laboratories within the last three months. Most recently, John James Sullivan sold 5,192 shares of the business's stock in a transaction on Tuesday, June 7th. The shares were sold at an average price of $207.76, for a transaction totalling $1,078,689.92. Following the completion of the sale, the director now directly owns 23,857 shares of the company's stock, valued at $4,956,530.32. Learn More on John James Sullivan's trading history.