Quarterly Put Option Transactions in Mersana Therapeutics, Inc. (MRSN)
This table provides information about the institutional ownership of Mersana Therapeutics, Inc. (MRSN). The information is specifically focused on institutions that hold put options of Mersana Therapeutics, Inc..
Puts Purchased
Puts Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | 0 | 111,200 | 111,200 | 0 | 112,500 | 112,500 | -1,300 | |
| Q4 2021 | 1,700 | 0 | 1,700 | — | 1,700 | |||
| Q1 2022 | — | 22,200 | 0 | 22,200 | -22,200 | |||
| Q2 2022 | — | 0 | 31,700 | 31,700 | -31,700 | |||
| Q3 2022 | — | — | 0 | |||||
| Q4 2022 | 0 | 80,000 | 80,000 | — | 80,000 | |||
| Q1 2023 | 12,000 | 36,300 | 48,300 | — | 48,300 | |||
| Q2 2023 | 226,400 | 133,210 | 359,610 | — | 359,610 | |||
| Q3 2023 | 1 | 0 | 1 | 58,000 | 0 | 58,000 | -57,999 | |
| Q4 2023 | — | 36,100 | 0 | 36,100 | -36,100 | |||
| Q1 2024 | 0 | 136,100 | 136,100 | 8,600 | 0 | 8,600 | 127,500 | |
| Q2 2024 | 16,100 | 11,300 | 27,400 | 120,700 | 0 | 120,700 | -93,300 | |
| Q3 2024 | 38,900 | 383,200 | 422,100 | — | 422,100 | |||