Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-014334-index-headers.html | 2020-12-11 16:40:46 | |
| 0001558370-20-014334-index.html | 2020-12-11 16:40:46 | |
| 0001558370-20-014334.txt | 2020-12-11 16:40:46 | |
 0001558370-20-014334-xbrl.zip | 9815 | 2020-12-11 16:40:46 |
| FilingSummary.xml | 1691 | 2020-12-11 16:40:46 |
| Financial_Report.xlsx | 5439 | 2020-12-11 16:40:46 |
| imgn-20201210.xsd | 2986 | 2020-12-11 16:40:46 |
| imgn-20201210x8k.htm | 34696 | 2020-12-11 16:40:46 |
| imgn-20201210x8k_htm.xml | 4692 | 2020-12-11 16:40:46 |
| imgn-20201210_lab.xml | 16755 | 2020-12-11 16:40:46 |
| imgn-20201210_pre.xml | 9902 | 2020-12-11 16:40:46 |
| MetaLinks.json | 16668 | 2020-12-11 16:40:46 |
| R1.htm | 38634 | 2020-12-11 16:40:46 |
| report.css | 2766 | 2020-12-11 16:40:46 |
| Show.js | 1084 | 2020-12-11 16:40:46 |