Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-000846-index-headers.html | 2020-02-14 16:46:49 | |
| 0001558370-20-000846-index.html | 2020-02-14 16:46:49 | |
| 0001558370-20-000846.txt | 2020-02-14 16:46:49 | |
 0001558370-20-000846-xbrl.zip | 9059 | 2020-02-14 16:46:49 |
| FilingSummary.xml | 1717 | 2020-02-14 16:46:49 |
| Financial_Report.xlsx | 5785 | 2020-02-14 16:46:49 |
| imgn-20200113.xsd | 3037 | 2020-02-14 16:46:49 |
| imgn-20200113x8k3d7e658.htm | 31874 | 2020-02-14 16:46:49 |
| imgn-20200113x8k3d7e658_htm.xml | 4646 | 2020-02-14 16:46:49 |
| imgn-20200113_lab.xml | 16753 | 2020-02-14 16:46:49 |
| imgn-20200113_pre.xml | 9900 | 2020-02-14 16:46:49 |
| MetaLinks.json | 16692 | 2020-02-14 16:46:49 |
| R1.htm | 38634 | 2020-02-14 16:46:49 |
| report.css | 2766 | 2020-02-14 16:46:49 |
| Show.js | 1085 | 2020-02-14 16:46:49 |