Parent Directory| Name | Size | Last Modified |
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| 0001558370-23-015834-index.html | 2023-09-18 06:35:37 | |
| 0001558370-23-015834.txt | 2023-09-18 06:35:37 | |
 0001558370-23-015834-xbrl.zip | 15507 | 2023-09-18 06:35:37 |
| FilingSummary.xml | 1752 | 2023-09-18 06:35:37 |
| Financial_Report.xlsx | 5690 | 2023-09-18 06:35:37 |
| imgn-20230918.xsd | 4031 | 2023-09-18 06:35:37 |
| imgn-20230918x8k.htm | 43635 | 2023-09-18 06:35:37 |
| imgn-20230918x8k_htm.xml | 4642 | 2023-09-18 06:35:37 |
| imgn-20230918xex99d1.htm | 14191 | 2023-09-18 06:35:37 |
 imgn-20230918xex99d1001.jpg | 7018 | 2023-09-18 06:35:37 |
| imgn-20230918_def.xml | 3238 | 2023-09-18 06:35:37 |
| imgn-20230918_lab.xml | 16596 | 2023-09-18 06:35:37 |
| imgn-20230918_pre.xml | 9755 | 2023-09-18 06:35:37 |
| MetaLinks.json | 16842 | 2023-09-18 06:35:37 |
| R1.htm | 38114 | 2023-09-18 06:35:37 |
| report.css | 2767 | 2023-09-18 06:35:37 |
| Show.js | 1085 | 2023-09-18 06:35:37 |