This global chemicals and ammunition producer saw a key insider trim their stake after a challenging year for the company’s shares.Teresa M. Vermillion, VP & Treasurer, executed the sale of 4,500 shares of Olin Corporation (OLN 4.71%) via option exercise and immediate disposition, as disclosed in this SEC Form 4 filing.Transaction summaryMetricValueShares sold4,500Transaction value~$93,850.20Post-transaction shares17,199Post-transaction value (direct ownership)~$353,783.43Key questionsWhat is the structure ...