Christopher M. Killian, SVP & CTO at Eastman Chemical (NYSE:EMN), executed a substantial insider sell on November 7, according to an SEC filing. What Happened: Killian’s decision to sell 3,061 shares of Eastman Chemical was revealed in a Form 4 filing with the U.S. Securities and Exchange Commission on Thursday. The total value of the sale is $321,405. During Friday’s morning session, Eastman Chemical shares up by 0.7%, currently priced at $104.26. Get to Know Eastman Chemical BetterEstablished in 1920 to produce chemicals for Eastman Kodak, Eastman Chemical has grown into a global specialty c…