 Steven J Quinlan, Vice President And CFO at Neogen NASDAQ:NEOG, made a large buy and sell of company shares on September 30, according to a new SEC filing. What Happened: A Form 4 filing from the U.S. Securities and Exchange Commission states that Steven J Quinlan exercised options to purchase 31,628 Neogen shares at prices ranging from 20.23 to 43.69 per share for a total of 943,970 on September 30. 