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ARDSLEY ADVISORY PARTNERS LP
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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Altimmune, Inc. | ALT | 1,042,050 | -405,200 | 3,678,437,000 | -2,428,958,000 | $3,530.00 |
| 03/31/2023 | Altimmune, Inc. | ALT | 1,447,250 | 519,300 | 6,107,395,000 | 6,095,545,000 | $4,220.00 |
| 09/30/2022 | Altimmune, Inc. | ALT | 927,950 | -411,050 | 11,850,000 | -3,816,000 | $12.77 |
| 06/30/2022 | Altimmune, Inc. | ALT | 1,339,000 | -14,000 | 15,666,000 | 7,426,000 | $11.70 |
| 03/31/2022 | Altimmune, Inc. | ALT | 1,353,000 | 299,000 | 8,240,000 | -1,415,000 | $6.09 |
| 12/31/2021 | Altimmune, Inc. | ALT | 1,054,000 | 26,500 | 9,655,000 | -2,059,000 | $9.16 |
| 09/30/2021 | Altimmune, Inc. | ALT | 1,027,500 | 726,000 | 11,714,000 | 8,729,000 | $11.40 |
| 06/30/2021 | Altimmune, Inc. | ALT | 301,500 | 301,500 | 2,985,000 | 2,985,000 | $9.90 |
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