Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-000801-index-headers.html | 2020-02-14 06:36:58 | |
| 0001558370-20-000801-index.html | 2020-02-14 06:36:58 | |
| 0001558370-20-000801.txt | 2020-02-14 06:36:58 | |
 0001558370-20-000801-xbrl.zip | 20282 | 2020-02-14 06:36:58 |
| ex-99d1.htm | 264461 | 2020-02-14 06:36:58 |
 ex-99d1g001.jpg | 158550 | 2020-02-14 06:36:58 |
| FilingSummary.xml | 1746 | 2020-02-14 06:36:58 |
| Financial_Report.xlsx | 5785 | 2020-02-14 06:36:58 |
| imgn-20191101.xsd | 3039 | 2020-02-14 06:36:58 |
| imgn-20191101x8kaa42b3c.htm | 34951 | 2020-02-14 06:36:58 |
| imgn-20191101x8kaa42b3c_htm.xml | 4646 | 2020-02-14 06:36:58 |
| imgn-20191101_lab.xml | 16755 | 2020-02-14 06:36:58 |
| imgn-20191101_pre.xml | 9902 | 2020-02-14 06:36:58 |
| MetaLinks.json | 16692 | 2020-02-14 06:36:58 |
| R1.htm | 38634 | 2020-02-14 06:36:58 |
| report.css | 2766 | 2020-02-14 06:36:58 |
| Show.js | 1084 | 2020-02-14 06:36:58 |