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Ghost Tree Capital, LLC
> IMGN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ImmunoGen, Inc. | IMGN | 100,000 | -24,977 | 1,887,000,000 | 1,407,000,000 | $18,870.00 |
| 03/31/2023 | ImmunoGen, Inc. | IMGN | 124,977 | 124,977 | 480,000,000 | 480,000,000 | $3,840.71 |
| 06/30/2018 | ImmunoGen, Inc. | IMGN | 0 | -7,500 | 0 | -225,000 | |
| 03/31/2018 | ImmunoGen, Inc. | IMGN | 7,500 | 7,500 | 225,000 | 225,000 | $30.00 |
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