Topsoe Holding A/S 13D and 13G filings for IGM Biosciences, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-08-18 4:31 pm Sale | 2025-08-14 | 13D | IGM Biosciences, Inc. IGMS | Topsoe Holding A/S | 0 0.000% | -10,543,303 (Position Closed) | Filing |
| 2023-07-19 4:13 pm Sale | 2023-06-26 | 13D | IGM Biosciences, Inc. IGMS | Topsoe Holding A/S | 10,543,303 32.200% | -2,194,091 (-17.23%) | Filing |
| 2020-12-16 5:29 pm Purchase | 2020-12-11 | 13D | IGM Biosciences, Inc. IGMS | Topsoe Holding A/S | 12,737,394 45.900% | 123,688 (+0.98%) | Filing |