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Bank of New York Mellon Corp
> AMPH
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 342,121 | -5,091 | 19,661,694,000 | 6,641,242,000 | $57,470.00 |
| 03/31/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 347,212 | 1,196 | 13,020,452,000 | 3,325,085,000 | $37,500.01 |
| 12/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 346,016 | 346,016 | 9,695,367,000 | 9,695,367,000 | $28,020.00 |
| 09/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -365,846 | 0 | -12,727,000 | |
| 06/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 365,846 | -35,559 | 12,727,000 | -1,682,000 | $34.79 |
| 03/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 401,405 | 30,462 | 14,409,000 | 5,770,000 | $35.90 |
| 12/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 370,943 | 6,943 | 8,639,000 | 1,719,000 | $23.29 |
| 09/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 364,000 | 8,452 | 6,920,000 | -247,000 | $19.01 |
| 06/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 355,548 | -30,804 | 7,167,000 | -602,000 | $20.16 |
| 03/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -386,352 | 0 | -7,769,000 | |
| 12/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 386,352 | 327 | 7,769,000 | 532,000 | $20.11 |
| 09/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 386,025 | 8,421 | 7,237,000 | -1,244,000 | $18.75 |
| 06/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 377,604 | 4,624 | 8,481,000 | 2,946,000 | $22.46 |
| 03/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 372,980 | -15,785 | 5,535,000 | -1,963,000 | $14.84 |
| 12/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 388,765 | 5,444 | 7,498,000 | -104,000 | $19.29 |
| 09/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 383,321 | -6,577 | 7,602,000 | -628,000 | $19.83 |
| 06/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 389,898 | -10,482 | 8,230,000 | 51,000 | $21.11 |
| 03/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 400,380 | -46,748 | 8,179,000 | -719,000 | $20.43 |
| 12/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 447,128 | 28,225 | 8,898,000 | 838,000 | $19.90 |
| 09/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 418,903 | 10,837 | 8,060,000 | 1,833,000 | $19.24 |
| 06/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 408,066 | -6,322 | 6,227,000 | -1,543,000 | $15.26 |
| 03/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 414,388 | 9,599 | 7,770,000 | -18,000 | $18.75 |
| 12/31/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 404,789 | -51,367 | 7,788,000 | -364,000 | $19.24 |
| 09/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 456,156 | -22,490 | 8,152,000 | -397,000 | $17.87 |
| 06/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 478,646 | -41,156 | 8,549,000 | 1,013,000 | $17.86 |
| 03/31/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 519,802 | 53,214 | 7,536,000 | -1,059,000 | $14.50 |
| 12/31/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 466,588 | 31,864 | 8,595,000 | 349,000 | $18.42 |
| 09/30/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 434,724 | 434,724 | 8,246,000 | 8,246,000 | $18.97 |
| 06/30/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 190,849 | 62,731 | 3,076,000 | 1,539,000 | $16.12 |
| 03/31/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 128,118 | 3,176 | 1,537,000 | -241,000 | $12.00 |
| 12/31/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 124,942 | 0 | 1,778,000 | 317,000 | $14.23 |
| 09/30/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 124,942 | 2,429 | 1,461,000 | -693,000 | $11.69 |
| 06/30/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 122,513 | 122,513 | 2,154,000 | 2,154,000 | $17.58 |
| 03/31/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 34,791 | 7,574 | 521,000 | 205,000 | $14.98 |
| 12/31/2014 | Amphastar Pharmaceuticals, Inc. | AMPH | 27,217 | 6,175 | 316,000 | 70,000 | $11.61 |
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