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| 0001104659-24-013712-index.html | 2024-02-12 07:52:11 | |
| 0001104659-24-013712.txt | 2024-02-12 07:52:11 | |
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| FilingSummary.xml | 1638 | 2024-02-12 07:52:11 |
| Financial_Report.xlsx | 5690 | 2024-02-12 07:52:11 |
| imgn-20240212.xsd | 3018 | 2024-02-12 07:52:11 |
| imgn-20240212_lab.xml | 34240 | 2024-02-12 07:52:11 |
| imgn-20240212_pre.xml | 22361 | 2024-02-12 07:52:11 |
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| R1.htm | 39580 | 2024-02-12 07:52:11 |
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| tm245856d1_8k.htm | 39478 | 2024-02-12 07:52:11 |
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| tm245856d1_ex3-1.htm | 12619 | 2024-02-12 07:52:11 |
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| tm245856d1_ex3-2.htm | 88602 | 2024-02-12 07:52:11 |