Institutions Holding Call Options on Merrimack Pharmaceuticals Inc (MACK)

This table provides information about the call option holders of Merrimack Pharmaceuticals Inc (MACK). We have compiled data on the institutions that hold call options on the stock, with a total of 0 call options outstanding, which have been reported (via 13F filing form) to have a value of $0 at the end of the reported quarter. These call option holders have the right, but not the obligation, to buy AAPL shares at a specified price within a certain time frame.