Real time Form 13D and 13G transaction reports:
- 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.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-26 3:43 pm Sale | 2026-03-13 | 13G | ARCELLX INC ACLX | The Vanguard Group | 0 0.000% | -3,985,156 (Position Closed) | Filing History |
| 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 History |
| 2026-03-06 10:05 am Sale | 2026-02-27 | 13G | ARCELLX INC ACLX | FMR LLC | 309,117 0.500% | -3,254,611 (-91.33%) | Filing History |
| 2026-02-24 7:19 pm Unchanged | 2026-02-22 | 13D | ARCELLX INC ACLX | New Enterprise Associates 15, L.P. | 3,055,360 5.300% | 0 (Unchanged) | Filing History |
| 2026-02-24 7:07 pm Sale | 2026-02-22 | 13D | ARCELLX INC ACLX | Elghandour Rami | 3,938,771 6.400% | -58,361 (-1.46%) | Filing History |
| 2026-02-23 06:51 am Unchanged | 2026-02-23 | 13D | ARCELLX INC ACLX | GILEAD SCIENCES INC. GILD | 6,720,803 11.500% | 0 (Unchanged) | Filing History |
| 2026-02-17 4:19 pm Sale | 2025-12-31 | 13G | ARCELLX INC ACLX | RA Capital Management, L.P. | 1,267,156 2.200% | -1,520,171 (-54.54%) | Filing History |
| 2026-02-17 4:05 pm Purchase | 2025-12-31 | 13G | ARCELLX INC ACLX | Vestal Point Capital, LP | 2,925,000 5.100% | 2,925,000 (New Position) | Filing History |
| 2026-02-17 4:03 pm Purchase | 2025-12-31 | 13G | ARCELLX INC ACLX | Paradigm BioCapital Advisors LP | 5,724,016 9.900% | 924,016 (+19.25%) | Filing History |
| 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 History |
| 2026-02-05 1:16 pm Sale | 2025-12-31 | 13G | ARCELLX INC ACLX | FMR LLC | 3,563,728 6.200% | -2,197,589 (-38.14%) | Filing History |
| 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 History |
| 2025-11-05 11:26 am Sale | 2025-09-30 | 13G | ARCELLX INC ACLX | FMR LLC | 5,761,317 10.400% | -542,362 (-8.60%) | Filing History |
| 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 History |
| 2025-08-14 9:15 pm Sale | 2025-08-12 | 13D | ARCELLX INC ACLX | New Enterprise Associates 15, L.P. | 3,055,360 5.510% | -689,902 (-18.42%) | Filing History |
| 2025-08-14 4:20 pm Sale | 2025-06-30 | 13G | ARCELLX INC ACLX | Perceptive Advisors LLC | 2,478,000 4.500% | -448,478 (-15.32%) | Filing History |
| 2025-05-15 4:30 pm Sale | 2025-03-31 | 13G | ARCELLX INC ACLX | Perceptive Advisors LLC | 2,926,478 5.300% | -962,191 (-24.74%) | Filing History |
| 2025-05-12 4:15 pm Unchanged | 2025-05-08 | 13D | ARCELLX INC ACLX | New Enterprise Associates 15, L.P. | 3,745,262 6.800% | 0 (Unchanged) | Filing History |
| 2025-05-12 10:24 am Sale | 2025-03-31 | 13G | ARCELLX INC ACLX | FMR LLC | 6,303,679 11.500% | -1,652,954 (-20.77%) | Filing History |
| 2025-04-30 10:55 am Purchase | 2025-03-31 | 13G | ARCELLX INC ACLX | The Vanguard Group | 3,985,156 7.250% | 655,064 (+19.67%) | Filing History |