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Cubist Systematic Strategies, LLC
> AMPH
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 121,026 | 61,052 | 6,955,364,000 | 4,706,332,000 | $57,470.00 |
| 03/31/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 59,974 | 46,014 | 2,249,032,000 | 1,857,873,000 | $37,500.12 |
| 12/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 13,960 | -18,370 | 391,159,000 | 390,251,000 | $28,019.99 |
| 09/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 32,330 | -79,827 | 908,000 | -2,994,000 | $28.09 |
| 06/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 112,157 | -28,072 | 3,902,000 | -1,132,000 | $34.79 |
| 03/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 140,229 | 101,720 | 5,034,000 | 4,137,000 | $35.90 |
| 12/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 38,509 | 18,146 | 897,000 | 486,000 | $23.29 |
| 06/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 20,363 | 20,363 | 411,000 | 411,000 | $20.18 |
| 09/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -41,009 | 0 | -921,000 | |
| 06/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 41,009 | 26,527 | 921,000 | 706,000 | $22.46 |
| 03/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 14,482 | 4,218 | 215,000 | 17,000 | $14.85 |
| 12/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 10,264 | -33,193 | 198,000 | -664,000 | $19.29 |
| 09/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 43,457 | 11,052 | 862,000 | 178,000 | $19.84 |
| 06/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 32,405 | 32,405 | 684,000 | 684,000 | $21.11 |
| 03/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -12,105 | 0 | -241,000 | |
| 12/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 12,105 | 12,105 | 241,000 | 241,000 | $19.91 |
| 09/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -19,324 | 0 | -295,000 | |
| 06/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 19,324 | 19,324 | 295,000 | 295,000 | $15.27 |
| 03/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -1,123 | 0 | -22,000 | |
| 12/31/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 1,123 | 1,123 | 22,000 | 22,000 | $19.59 |
| 09/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -87 | 0 | -2,000 | |
| 06/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 87 | 87 | 2,000 | 2,000 | $22.99 |
| 03/31/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -14,073 | 0 | -163,000 | |
| 12/31/2014 | Amphastar Pharmaceuticals, Inc. | AMPH | 14,073 | 14,073 | 163,000 | 163,000 | $11.58 |
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