Semtech Corporation (NASDAQ:SMTC - Get Free Report) Director Paul Walsh, Jr. sold 500 shares of Semtech stock in a transaction that occurred on Wednesday, October 21st. The stock was sold at an average price of $139.44, for a total value of $69,720.00. Following the completion of the transaction, the director directly owned 26,100 shares in the company, valued at $3,639,384. This trade represents a 1.88% decrease in their ownership of the stock.…