Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-008826-index-headers.html | 2020-07-31 08:41:24 | |
| 0001558370-20-008826-index.html | 2020-07-31 08:41:24 | |
| 0001558370-20-008826.txt | 2020-07-31 08:41:24 | |
 0001558370-20-008826-xbrl.zip | 19511 | 2020-07-31 08:41:24 |
| FilingSummary.xml | 1733 | 2020-07-31 08:41:24 |
| Financial_Report.xlsx | 5442 | 2020-07-31 08:41:24 |
| imgn-20200731.xsd | 3039 | 2020-07-31 08:41:24 |
| imgn-20200731x8k.htm | 37121 | 2020-07-31 08:41:24 |
| imgn-20200731x8k_htm.xml | 4646 | 2020-07-31 08:41:24 |
| imgn-20200731xex99d1.htm | 203728 | 2020-07-31 08:41:24 |
 imgn-20200731xex99d1001.jpg | 5023 | 2020-07-31 08:41:24 |
| imgn-20200731_lab.xml | 16755 | 2020-07-31 08:41:24 |
| imgn-20200731_pre.xml | 9902 | 2020-07-31 08:41:24 |
| MetaLinks.json | 16664 | 2020-07-31 08:41:24 |
| R1.htm | 38634 | 2020-07-31 08:41:24 |
| report.css | 2767 | 2020-07-31 08:41:24 |
| Show.js | 1085 | 2020-07-31 08:41:24 |