T. Rowe Price Investment Management, Inc. 13D and 13G filings for Arcellx, 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 |
| 2026-03-06 12:57 pm Sale | 2026-02-28 | 13G | ARCELLX INC ACLX | T. Rowe Price Investment Management, Inc. | 2,653,848 4.500% | -7,906,577 (-74.87%) | Filing |
| 2026-02-17 10:28 am Purchase | 2025-12-31 | 13G | ARCELLX INC ACLX | T. Rowe Price Investment Management, Inc. | 10,560,425 18.300% | 955,791 (+9.95%) | Filing |
| 2025-12-05 12:52 pm Purchase | 2025-11-30 | 13G | ARCELLX INC ACLX | T. Rowe Price Investment Management, Inc. | 9,604,634 16.600% | 3,328,727 (+53.04%) | Filing |
| 2025-09-08 1:36 pm Purchase | 2025-08-31 | 13G | ARCELLX INC ACLX | T. Rowe Price Investment Management, Inc. | 6,275,907 11.300% | 6,275,907 (New Position) | Filing |