Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-007992-index-headers.html | 2020-07-02 16:16:07 | |
| 0001558370-20-007992-index.html | 2020-07-02 16:16:07 | |
| 0001558370-20-007992.txt | 2020-07-02 16:16:07 | |
 0001558370-20-007992-xbrl.zip | 28316 | 2020-07-02 16:16:07 |
| FilingSummary.xml | 1733 | 2020-07-02 16:16:07 |
| Financial_Report.xlsx | 5440 | 2020-07-02 16:16:07 |
| imgn-20200629.xsd | 3035 | 2020-07-02 16:16:07 |
| imgn-20200629x8k.htm | 37508 | 2020-07-02 16:16:07 |
| imgn-20200629x8k_htm.xml | 4646 | 2020-07-02 16:16:07 |
| imgn-20200629xex10d1.htm | 170144 | 2020-07-02 16:16:07 |
| imgn-20200629_lab.xml | 16751 | 2020-07-02 16:16:07 |
| imgn-20200629_pre.xml | 9898 | 2020-07-02 16:16:07 |
| MetaLinks.json | 16664 | 2020-07-02 16:16:07 |
| R1.htm | 38634 | 2020-07-02 16:16:07 |
| report.css | 2767 | 2020-07-02 16:16:07 |
| Show.js | 1084 | 2020-07-02 16:16:07 |