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TANG CAPITAL MANAGEMENT LLC
> IMGN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ImmunoGen, Inc. | IMGN | 1,300,000 | 25,147 | 24,531,000,000 | 18,207,729,000 | $18,870.00 |
| 12/31/2022 | ImmunoGen, Inc. | IMGN | 1,274,853 | -225,147 | 6,323,271,000 | 6,316,101,000 | $4,960.00 |
| 09/30/2022 | ImmunoGen, Inc. | IMGN | 1,500,000 | 0 | 7,170,000 | 420,000 | $4.78 |
| 06/30/2022 | ImmunoGen, Inc. | IMGN | 1,500,000 | 0 | 6,750,000 | -390,000 | $4.50 |
| 03/31/2022 | ImmunoGen, Inc. | IMGN | 1,500,000 | 0 | 7,140,000 | -3,990,000 | $4.76 |
| 12/31/2021 | ImmunoGen, Inc. | IMGN | 1,500,000 | 1,500,000 | 11,130,000 | 11,130,000 | $7.42 |
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