Arcellx, Inc. (ACLX) has 53 open-market insider trades by 11 insiders since 2022. The most active filer is Christopher Heery.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Jill Carroll | Dir | — | 5 | $190.1M | 2024-03-21 |
| Rami Elghandour | — | — | 9 | $36.7M | 2026-03-04 |
| NEA 15 Gp, LLC | 10% Owner | — | 1 | $23.7M | 2022-12-20 |
| Christopher Heery | — | — | 21 | $22.3M | 2026-01-14 |
| SR ONE Capital Partners I, L.P. | 10% Owner | — | 1 | $17.3M | 2023-05-11 |
| Novo Holdings A/S | 10% Owner | — | 1 | $12.5M | 2022-02-08 |
| Michelle Gilson | CFO | — | 9 | $10.2M | 2026-04-16 |
| Mohamad Makhzoumi | 10% Owner | — | 2 | $5.0M | 2022-12-21 |
| David Charles Lubner | Dir | — | 1 | $450K | 2026-01-20 |
| Forest Baskett | 10% Owner | — | 1 | $102K | 2022-12-22 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Rami Elghandour | — | Sell | $10.2M | 2026-02-27 |
| Michelle Gilson | CFO | Sell | $1.3M | 2026-02-25 |
| Michelle Gilson | CFO | Sell | $573K | 2026-02-19 |
| Michelle Gilson | CFO | Sell | $785K | 2026-02-17 |
| David Charles Lubner | Director | Sell | $450K | 2026-01-20 |
| Christopher Heery | — | Sell | $403K | 2026-01-14 |
Companies that share insiders with ACLX, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Christopher Heery | CHIEF MEDICAL OFFICER | Sell | $487K | 2026-01-13 |
| Christopher Heery | CHIEF MEDICAL OFFICER | Sell | $393K | 2026-01-12 |
| Christopher Heery | CHIEF MEDICAL OFFICER | Sell | $31K | 2025-11-17 |
| Michelle Gilson | CFO | Sell | $977K | 2025-10-15 |
| Michelle Gilson | CFO | Sell | $603K | 2025-10-03 |
| Christopher Heery | — | Sell | $2.9M | 2025-09-30 |
| Christopher Heery | CHIEF MEDICAL OFFICER | Sell | $6K | 2025-09-29 |
| Christopher Heery | — | Sell | $2.0M | 2025-09-26 |
| Christopher Heery | — | Sell | $559K | 2025-09-18 |