| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2024-03-28 | BAKER BROS. ADVISORS LP | IGM Biosciences, Inc. | 4,145,706 | 12.4% | EDGAR |
| SC 13G/A | 2024-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | IGM Biosciences, Inc. | 3,262,209 | 9.9% | EDGAR |
| SC 13G/A | 2024-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | IGM Biosciences, Inc. | 3,403,714 | 10.3% | EDGAR |
| SC 13G/A | 2024-02-09 | Artal International S.C.A. | IGM Biosciences, Inc. | 3,100,422 | 9.4% | EDGAR |
| SC 13G | 2024-02-09 | FMR LLC | IGM Biosciences, Inc. | 1,698,506 | 5.2% | EDGAR |
| SC 13D/A | 2023-12-15 | BAKER BROS. ADVISORS LP | IGM Biosciences, Inc. | 3,744,669 | 11.4% | EDGAR |
| SC 13D/A | 2023-07-19 | Topsoe Holding A/S | IGM Biosciences, Inc. | 10,400,564 | 31.8% | EDGAR |
| SC 13D/A | 2023-06-28 | BAKER BROS. ADVISORS LP | IGM Biosciences, Inc. | 3,277,567 | 10.0% | EDGAR |
| SC 13D/A | 2023-06-28 | Redmile Group, LLC | IGM Biosciences, Inc. | 3,291,092 | 9.9% | EDGAR |
| SC 13D/A | 2023-06-13 | Redmile Group, LLC | IGM Biosciences, Inc. | 3,033,497 | 10.3% | EDGAR |
| SC 13G/A | 2023-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | IGM Biosciences, Inc. | 2,206,407 | 7.6% | EDGAR |
| SC 13G/A | 2023-02-13 | Artal International S.C.A. | IGM Biosciences, Inc. | 2,450,000 | 8.4% | EDGAR |
| SC 13D/A | 2022-10-05 | Redmile Group, LLC | IGM Biosciences, Inc. | 3,377,090 | 11.6% | EDGAR |
| SC 13D/A | 2022-04-05 | Redmile Group, LLC | IGM Biosciences, Inc. | 3,362,460 | 12.9% | EDGAR |
| SC 13D/A | 2022-04-05 | BAKER BROS. ADVISORS LP | IGM Biosciences, Inc. | 3,169,894 | 11.6% | EDGAR |
| SC 13G/A | 2022-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | IGM Biosciences, Inc. | 2,371,275 | 9.1% | EDGAR |
| SC 13G/A | 2022-02-11 | Artal International S.C.A. | IGM Biosciences, Inc. | 1,500,000 | 5.8% | EDGAR |
| SC 13G | 2021-09-27 | Artal International S.C.A. | IGM Biosciences, Inc. | 1,325,000 | 5.2% | EDGAR |
| SC 13G | 2021-02-16 | PRICE T ROWE ASSOCIATES INC /MD/ | IGM Biosciences, Inc. | 1,328,784 | 5.2% | EDGAR |
| SC 13G/A | 2021-02-11 | JANUS HENDERSON GROUP PLC | IGM Biosciences, Inc. | 501,745 | 1.6% | EDGAR |