Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-23-002468-index-headers.html | 2023-03-01 06:38:10 | |
| 0001558370-23-002468-index.html | 2023-03-01 06:38:10 | |
| 0001558370-23-002468.txt | 2023-03-01 06:38:10 | |
 0001558370-23-002468-xbrl.zip | 13685 | 2023-03-01 06:38:10 |
| FilingSummary.xml | 2210 | 2023-03-01 06:38:10 |
| Financial_Report.xlsx | 6647 | 2023-03-01 06:38:10 |
| imgn-20230228.xsd | 4052 | 2023-03-01 06:38:10 |
| imgn-20230228x8k.htm | 46174 | 2023-03-01 06:38:10 |
| imgn-20230228x8k_htm.xml | 4642 | 2023-03-01 06:38:10 |
| imgn-20230228xex99d1.htm | 14140 | 2023-03-01 06:38:10 |
 imgn-20230228xex99d1001.jpg | 7018 | 2023-03-01 06:38:10 |
| imgn-20230228_def.xml | 3234 | 2023-03-01 06:38:10 |
| imgn-20230228_lab.xml | 630 | 2023-03-01 06:38:10 |
| imgn-20230228_pre.xml | 10100 | 2023-03-01 06:38:10 |
| MetaLinks.json | 97185 | 2023-03-01 06:38:10 |
| R1.htm | 38096 | 2023-03-01 06:38:10 |
| R2.htm | 21142 | 2023-03-01 06:38:10 |
| report.css | 2767 | 2023-03-01 06:38:10 |
| Show.js | 1085 | 2023-03-01 06:38:10 |