ACORN BIOVENTURES, L.P. 13D and 13G filings for Y-mAbs Therapeutics, 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 |
| 2025-08-20 12:32 pm Sale | 2025-08-19 | 13G | Y-MABS THERAPEUTICS INC YMAB | ACORN BIOVENTURES, L.P. | 2,796,297 6.200% | -300,000 (-9.69%) | Filing |
| 2025-08-15 10:31 am Purchase | 2025-08-14 | 13G | Y-MABS THERAPEUTICS INC YMAB | ACORN BIOVENTURES, L.P. | 3,096,297 7.000% | 334,472 (+12.11%) | Filing |
| 2023-04-03 1:46 pm Purchase | 2023-03-15 | 13G | Y-MABS THERAPEUTICS INC YMAB | ACORN BIOVENTURES, L.P. | 2,326,528 5.300% | 2,326,528 (New Position) | Filing |