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PRINCIPAL FINANCIAL GROUP INC
> AMPH
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 228,759 | -3,981 | 13,146,780,000 | 4,419,028,000 | $57,470.00 |
| 03/31/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 232,740 | -12,003 | 8,727,752,000 | 8,720,874,000 | $37,500.01 |
| 09/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 244,743 | -11,801 | 6,878,000 | -2,047,000 | $28.10 |
| 06/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 256,544 | -10,360 | 8,925,000 | -657,000 | $34.79 |
| 03/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 266,904 | -14,036 | 9,582,000 | 3,039,000 | $35.90 |
| 12/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 280,940 | 28,772 | 6,543,000 | 1,749,000 | $23.29 |
| 09/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 252,168 | -1,516 | 4,794,000 | -320,000 | $19.01 |
| 06/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 253,684 | 2,280 | 5,114,000 | 508,000 | $20.16 |
| 03/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 251,404 | -224 | 4,606,000 | -454,000 | $18.32 |
| 12/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 251,628 | -9,909 | 5,060,000 | 156,000 | $20.11 |
| 09/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 261,537 | 9,649 | 4,904,000 | -753,000 | $18.75 |
| 06/30/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 251,888 | -8,074 | 5,657,000 | 1,799,000 | $22.46 |
| 03/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 259,962 | -10,752 | 3,858,000 | -1,364,000 | $14.84 |
| 12/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 270,714 | -11,465 | 5,222,000 | -374,000 | $19.29 |
| 09/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 282,179 | -10,498 | 5,596,000 | -582,000 | $19.83 |
| 06/30/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 292,677 | 14,850 | 6,178,000 | 502,000 | $21.11 |
| 03/31/2019 | Amphastar Pharmaceuticals, Inc. | AMPH | 277,827 | -2,863 | 5,676,000 | 90,000 | $20.43 |
| 12/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 280,690 | 575 | 5,586,000 | 197,000 | $19.90 |
| 09/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 280,115 | 488 | 5,389,000 | 1,122,000 | $19.24 |
| 06/30/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 279,627 | 6,199 | 4,267,000 | -860,000 | $15.26 |
| 03/31/2018 | Amphastar Pharmaceuticals, Inc. | AMPH | 273,428 | 5,789 | 5,127,000 | -22,000 | $18.75 |
| 12/31/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 267,639 | -12,689 | 5,149,000 | 140,000 | $19.24 |
| 09/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 280,328 | -3,101 | 5,009,000 | -53,000 | $17.87 |
| 06/30/2017 | Amphastar Pharmaceuticals, Inc. | AMPH | 283,429 | 2,486 | 5,062,000 | -113,000 | $17.86 |
| 12/31/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 280,943 | 23,967 | 5,175,000 | 300,000 | $18.42 |
| 09/30/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 256,976 | 256,976 | 4,875,000 | 4,875,000 | $18.97 |
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