Quarterly Put Option Transactions in Keryx Biopharmaceuticals Inc (KERX)
This table provides information about the institutional ownership of Keryx Biopharmaceuticals Inc (KERX). The information is specifically focused on institutions that hold put options of KERYX BIOPHARMACEUTICALS INC.
Puts Purchased
Puts Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||