Avidity Partners Management LP 13D and 13G filings for Syndax Pharmaceuticals, 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 |
| 2024-02-13 9:44 pm Sale | 2023-12-31 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 3,950,000 4.700% | -2,768,142 (-41.20%) | Filing |
| 2023-02-14 3:47 pm Purchase | 2022-12-31 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 6,718,142 9.700% | 1,474,123 (+28.11%) | Filing |
| 2022-02-11 8:54 pm Purchase | 2021-12-31 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 5,244,019 9.900% | 494,019 (+10.40%) | Filing |
| 2021-04-20 4:34 pm Purchase | 2021-04-20 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 4,750,000 9.900% | 1,442,000 (+43.59%) | Filing |
| 2021-02-16 11:32 am Purchase | 2020-12-31 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 3,308,000 7.100% | 708,000 (+27.23%) | Filing |
| 2020-11-04 5:05 pm Purchase | 2020-11-03 | 13G | Syndax Pharmaceuticals, Inc. SNDX | Avidity Partners Management LP | 2,600,000 6.700% | 2,600,000 (New Position) | Filing |