Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-008296-index-headers.html | 2020-07-22 16:10:47 | |
| 0001558370-20-008296-index.html | 2020-07-22 16:10:47 | |
| 0001558370-20-008296.txt | 2020-07-22 16:10:47 | |
 0001558370-20-008296-xbrl.zip | 14043 | 2020-07-22 16:10:47 |
| FilingSummary.xml | 1733 | 2020-07-22 16:10:47 |
| Financial_Report.xlsx | 5441 | 2020-07-22 16:10:47 |
| imgn-20200720.xsd | 3037 | 2020-07-22 16:10:47 |
| imgn-20200720x8k.htm | 46070 | 2020-07-22 16:10:47 |
| imgn-20200720x8k_htm.xml | 4646 | 2020-07-22 16:10:47 |
| imgn-20200720xex99d1.htm | 12000 | 2020-07-22 16:10:47 |
 imgn-20200720xex99d1001.jpg | 5021 | 2020-07-22 16:10:47 |
| imgn-20200720_lab.xml | 16753 | 2020-07-22 16:10:47 |
| imgn-20200720_pre.xml | 9900 | 2020-07-22 16:10:47 |
| MetaLinks.json | 16664 | 2020-07-22 16:10:47 |
| R1.htm | 38634 | 2020-07-22 16:10:47 |
| report.css | 2767 | 2020-07-22 16:10:47 |
| Show.js | 1085 | 2020-07-22 16:10:47 |