Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-20-007129-index-headers.html | 2020-01-27 16:13:00 | |
| 0001104659-20-007129-index.html | 2020-01-27 16:13:00 | |
| 0001104659-20-007129.txt | 2020-01-27 16:13:00 | |
 0001104659-20-007129-xbrl.zip | 14367 | 2020-01-27 16:13:00 |
| FilingSummary.xml | 1642 | 2020-01-27 16:13:00 |
| Financial_Report.xlsx | 5762 | 2020-01-27 16:13:00 |
| imgn-20200127.xsd | 3189 | 2020-01-27 16:13:00 |
| imgn-20200127_lab.xml | 34591 | 2020-01-27 16:13:00 |
| imgn-20200127_pre.xml | 22712 | 2020-01-27 16:13:00 |
| MetaLinks.json | 38740 | 2020-01-27 16:13:00 |
| R1.htm | 38584 | 2020-01-27 16:13:00 |
| report.css | 2766 | 2020-01-27 16:13:00 |
| Show.js | 1085 | 2020-01-27 16:13:00 |
| tm205916-1_8k.htm | 27009 | 2020-01-27 16:13:00 |
| tm205916-1_8k_htm.xml | 3469 | 2020-01-27 16:13:00 |
| tm205916d1_ex99-1.htm | 7826 | 2020-01-27 16:13:00 |
 tm205916d1_ex99-1img01.jpg | 10144 | 2020-01-27 16:13:00 |