Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-19-011539-index-headers.html | 2019-12-17 06:37:41 | |
| 0001558370-19-011539-index.html | 2019-12-17 06:37:41 | |
| 0001558370-19-011539.txt | 2019-12-17 06:37:41 | |
 0001558370-19-011539-xbrl.zip | 14143 | 2019-12-17 06:37:41 |
| ex-99d1.htm | 22555 | 2019-12-17 06:37:41 |
 ex-99d1g001.jpg | 158550 | 2019-12-17 06:37:41 |
| FilingSummary.xml | 1746 | 2019-12-17 06:37:41 |
| Financial_Report.xlsx | 5782 | 2019-12-17 06:37:41 |
| imgn-20191217.xsd | 3041 | 2019-12-17 06:37:41 |
| imgn-20191217x8k371e7cb.htm | 37592 | 2019-12-17 06:37:41 |
| imgn-20191217x8k371e7cb_htm.xml | 4692 | 2019-12-17 06:37:41 |
| imgn-20191217_lab.xml | 16757 | 2019-12-17 06:37:41 |
| imgn-20191217_pre.xml | 9904 | 2019-12-17 06:37:41 |
| MetaLinks.json | 16696 | 2019-12-17 06:37:41 |
| R1.htm | 38635 | 2019-12-17 06:37:41 |
| report.css | 2766 | 2019-12-17 06:37:41 |
| Show.js | 1085 | 2019-12-17 06:37:41 |