Quarterly Call Option Transactions in Amphastar Pharmaceuticals, Inc. (AMPH)
This table provides information about the institutional ownership of Amphastar Pharmaceuticals, Inc. (AMPH) during . The information is specifically focused on institutions that hold call options of Amphastar Pharmaceuticals, Inc..
Calls Purchased
Calls Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | — | — | 0 | |||||
| Q4 2021 | — | — | 0 | |||||
| Q1 2022 | 0 | 49,700 | 49,700 | — | 49,700 | |||
| Q2 2022 | 56,600 | 0 | 56,600 | — | 56,600 | |||
| Q3 2022 | 11,100 | 0 | 11,100 | 12,200 | 0 | 12,200 | -1,100 | |
| Q4 2022 | — | 22,600 | 0 | 22,600 | -22,600 | |||
| Q1 2023 | 14,500 | 0 | 14,500 | 2,400 | 0 | 2,400 | 12,100 | |
| Q2 2023 | 1,200 | 0 | 1,200 | 12,100 | 0 | 12,100 | -10,900 | |
| Q3 2023 | 2,300 | 0 | 2,300 | 25,300 | 0 | 25,300 | -23,000 | |
| Q4 2023 | 25,900 | 0 | 25,900 | — | 25,900 | |||
| Q1 2024 | 6,400 | 0 | 6,400 | — | 6,400 | |||
| Q2 2024 | — | 31,100 | 0 | 31,100 | -31,100 | |||
| Q3 2024 | 31,500 | 17,300 | 48,800 | — | 48,800 | |||