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| 0001104659-24-011926-index.html | 2024-02-08 07:08:19 | |
| 0001104659-24-011926.txt | 2024-02-08 07:08:19 | |
 0001104659-24-011926-xbrl.zip | 11668 | 2024-02-08 07:08:19 |
| FilingSummary.xml | 1638 | 2024-02-08 07:08:19 |
| Financial_Report.xlsx | 5664 | 2024-02-08 07:08:19 |
| imgn-20240207.xsd | 3018 | 2024-02-08 07:08:19 |
| imgn-20240207_lab.xml | 34240 | 2024-02-08 07:08:19 |
| imgn-20240207_pre.xml | 22361 | 2024-02-08 07:08:19 |
| MetaLinks.json | 39244 | 2024-02-08 07:08:19 |
| R1.htm | 38063 | 2024-02-08 07:08:19 |
| report.css | 2766 | 2024-02-08 07:08:19 |
| Show.js | 1084 | 2024-02-08 07:08:19 |
| tm245493d1_8k.htm | 26770 | 2024-02-08 07:08:19 |
| tm245493d1_8k_htm.xml | 3472 | 2024-02-08 07:08:19 |