Quarterly Put Option Transactions in Cerus Corp (CERS)
This table provides information about the institutional ownership of Cerus Corp (CERS). The information is specifically focused on institutions that hold put options of CERUS CORP.
Puts Purchased
Puts Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | 9,600 | 50,000 | 59,600 | 2,100 | 0 | 2,100 | 57,500 | |
| Q4 2021 | 13,300 | 10,600 | 23,900 | — | 23,900 | |||
| Q1 2022 | 107,300 | 0 | 107,300 | 35,500 | 50,000 | 85,500 | 21,800 | |
| Q2 2022 | 73,000 | 75,700 | 148,700 | — | 148,700 | |||
| Q3 2022 | 64,600 | 50,000 | 114,600 | 98,500 | 0 | 98,500 | 16,100 | |
| Q4 2022 | — | 375,700 | 0 | 375,700 | -375,700 | |||
| Q1 2023 | — | 79,700 | 0 | 79,700 | -79,700 | |||
| Q2 2023 | 1,700 | 0 | 1,700 | 6,600 | 0 | 6,600 | -4,900 | |
| Q3 2023 | 8,600 | 0 | 8,600 | — | 8,600 | |||
| Q4 2023 | 6,200 | 0 | 6,200 | 3,400 | 0 | 3,400 | 2,800 | |
| Q1 2024 | 13,600 | 0 | 13,600 | — | 13,600 | |||
| Q2 2024 | 900 | 0 | 900 | 17,900 | 0 | 17,900 | -17,000 | |
| Q3 2024 | 11,600 | 0 | 11,600 | — | 11,600 | |||