ARCH Venture Fund IX, L.P. 13D and 13G filings for Lyell Immunopharma, 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 |
| 2026-05-15 4:05 pm Purchase | 2026-03-31 | 13G | LYELL IMMUNOPHARMA INC LYEL | ARCH Venture Fund IX, L.P. | 3,247,162 13.900% | 488,090 (+17.69%) | Filing |
| 2025-11-14 4:30 pm Purchase | 2025-09-30 | 13G | LYELL IMMUNOPHARMA INC LYEL | ARCH Venture Fund IX, L.P. | 2,759,072 13.000% | 929,186 (+50.78%) | Filing |