Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-19-011219-index-headers.html | 2019-11-26 16:45:43 | |
| 0001558370-19-011219-index.html | 2019-11-26 16:45:43 | |
| 0001558370-19-011219.txt | 2019-11-26 16:45:43 | |
 0001558370-19-011219-xbrl.zip | 9059 | 2019-11-26 16:45:43 |
| FilingSummary.xml | 1712 | 2019-11-26 16:45:43 |
| Financial_Report.xlsx | 5783 | 2019-11-26 16:45:43 |
| imgn-20191120.xsd | 3267 | 2019-11-26 16:45:43 |
| imgn-20191120x8kcdcf465.htm | 32473 | 2019-11-26 16:45:43 |
| imgn-20191120x8kcdcf465_htm.xml | 4692 | 2019-11-26 16:45:43 |
| imgn-20191120_lab.xml | 15501 | 2019-11-26 16:45:43 |
| imgn-20191120_pre.xml | 10512 | 2019-11-26 16:45:43 |
| MetaLinks.json | 16702 | 2019-11-26 16:45:43 |
| R1.htm | 38564 | 2019-11-26 16:45:43 |
| report.css | 2767 | 2019-11-26 16:45:43 |
| Show.js | 1084 | 2019-11-26 16:45:43 |