Quick Takeaways
- Rami Elghandour filed SCHEDULE 13D/A for Arcellx, Inc. Common stock, par value $0.001 per share (ACLX).
- Disclosed ownership: 6.4%.
- Date of event: 22 Feb 2026.
Rami Elghandour - 22 Feb 2026 SCHEDULE 13D/A Report for Arcellx, Inc. Common stock, par value $0.001 per share (ACLX)
- Filing Manager
- Rami Elghandour
- Reporting Manager
- Rami Elghandour
- Symbol
- ACLX
- Shares outstanding
- 61,543,297 shares
- Disclosed Ownership
- 3,938,771 shares
- Ownership
- 6.4%
- Form type
- SCHEDULE 13D/A
- Filing time
- 24 Feb 2026, 19:07:10 UTC
- Date of event
- 22 Feb 2026
- Previous filing
- 27 Feb 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Rami Elghandour disclosed 6.4% ownership in Arcellx, Inc. Common stock, par value $0.001 per share (ACLX) on 22 Feb 2026."
What Changed
- Previous schedule filing date: 27 Feb 2025.
- Current filing was accepted on 24 Feb 2026, 19:07.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Rami Elghandour | 6.4% | 3,938,771 | 3,522,271 | 416,500 | /s/ Rami Elghandour | Rami Elghandour | 0001613689 |