Overview Financials News + Filings Key Docs Charts Transactions Holdings Ownership Insiders
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BlackRock Inc.
> ALPN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 2,281,692 | 728,772 | 23,455,795,000 | 11,467,252,000 | $10,280.00 |
| 03/31/2023 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 1,552,920 | 625,197 | 11,988,543,000 | 11,981,864,000 | $7,720.00 |
| 09/30/2022 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 927,723 | 49,355 | 6,679,000 | -797,000 | $7.20 |
| 06/30/2022 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 878,368 | 155,230 | 7,476,000 | 989,000 | $8.51 |
| 03/31/2022 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 723,138 | -5,710 | 6,487,000 | -3,608,000 | $8.97 |
| 12/31/2021 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 728,848 | 181,066 | 10,095,000 | 4,251,000 | $13.85 |
| 09/30/2021 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 547,782 | 3,627 | 5,844,000 | 946,000 | $10.67 |
| 06/30/2021 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 544,155 | 517,399 | 4,898,000 | 4,614,000 | $9.00 |
| 03/31/2021 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 26,756 | 1,001 | 284,000 | -41,000 | $10.61 |
| 12/31/2020 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 25,755 | -4,990 | 325,000 | 55,000 | $12.62 |
| 09/30/2020 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 30,745 | 841 | 270,000 | -21,000 | $8.78 |
| 06/30/2020 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 29,904 | 6,363 | 291,000 | 223,000 | $9.73 |
| 03/31/2020 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 23,541 | -540 | 68,000 | -24,000 | $2.89 |
| 12/31/2019 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 24,081 | -120 | 92,000 | -4,000 | $3.82 |
| 09/30/2019 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 24,201 | -660 | 96,000 | 95,895 | $3.97 |
| 06/30/2019 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 24,861 | -85 | 105 | -170,895 | $0.00 |
| 03/31/2019 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 24,946 | -854 | 171,000 | 77,000 | $6.85 |
| 12/31/2018 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 25,800 | -244 | 94,000 | -71,000 | $3.64 |
| 09/30/2018 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 26,044 | 549 | 165,000 | -27,000 | $6.34 |
| 06/30/2018 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 25,495 | 3,532 | 192,000 | 15,000 | $7.53 |
| 03/31/2018 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 21,963 | -153 | 177,000 | -70,000 | $8.06 |
| 12/31/2017 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 22,116 | 755 | 247,000 | 0 | $11.17 |
| 09/30/2017 | ALPINE IMMUNE SCIENCES, INC. | ALPN | 21,361 | 21,361 | 247,000 | 247,000 | $11.56 |
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