Quarterly Call Option Transactions in Merrimack Pharmaceuticals Inc (MACK)
This table provides information about the institutional ownership of Merrimack Pharmaceuticals Inc (MACK) during . The information is specifically focused on institutions that hold call options of MERRIMACK PHARMACEUTICALS INC.
Calls Purchased
Calls Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q1 2021 | — | 271,500 | 0 | 271,500 | -271,500 | |||
| Q2 2021 | — | — | 0 | |||||
| Q3 2021 | 15,600 | 0 | 15,600 | — | 15,600 | |||
| Q4 2021 | — | 7,300 | 0 | 7,300 | -7,300 | |||
| Q1 2022 | 500 | 0 | 500 | 14,100 | 0 | 14,100 | -13,600 | |
| Q2 2022 | — | 0 | 14,600 | 14,600 | -14,600 | |||
| Q3 2022 | 8,500 | 20,400 | 28,900 | — | 28,900 | |||
| Q4 2022 | 320,200 | 36,400 | 356,600 | — | 356,600 | |||
| Q1 2023 | 3,900 | 0 | 3,900 | 19,100 | 0 | 19,100 | -15,200 | |
| Q2 2023 | 27,500 | 0 | 27,500 | 218,900 | 0 | 218,900 | -191,400 | |
| Q3 2023 | 6,600 | 100,000 | 106,600 | 28,400 | 0 | 28,400 | 78,200 | |
| Q4 2023 | 44,400 | 0 | 44,400 | 49,200 | 0 | 49,200 | -4,800 | |
| Q1 2024 | 22,400 | 0 | 22,400 | 69,900 | 0 | 69,900 | -47,500 | |