Lam Research Corporation (NASDAQ:LRCX - Get Free Report) Director Bethany Mayer sold 9,557 shares of Lam Research stock in a transaction on Wednesday, September 9th. The shares were sold at an average price of $314.74, for a total value of $3,007,970.18. Following the completion of the transaction, the director directly owned 20,995 shares of the company's stock, valued at $6,607,966.30. This represents a 31.28% decrease in their ownership of th…