Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 28 Apr 2026
- Price
- $114.82
- Ownership
- By foundation
Rami Elghandour
Insider Reports History
- Reporting-owner location
- Redwood City, CA
- Latest reporting-owner signature
-
/s/ Michelle Gilson, as Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Rami Elghandour
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 28 Apr 2026
- Price
- $114.82
- Ownership
- By trust
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 28 Apr 2026
- Price
- $114.82
- Ownership
- Direct
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Restricted Stock Unit
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 28 Apr 2026
- Price
- $63.16
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Performance-based Restricted Stock Unit
- Shares / value
- 0
- Estimated value
- Report date
- 28 Apr 2026
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Stock Option (right to buy)
- Shares / value
- 0
- Estimated value
- Report date
- 28 Apr 2026
- Price
- Ownership
- By trust
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
President, CEO and Chairman of the Board, Director
Arcellx, Inc.
- Security class
- Stock Option (right to buy)
- Shares / value
- 0
- Estimated value
- Report date
- 28 Apr 2026
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Insider Reports Filed by Rami Elghandour
4
ACLX
Arcellx, Inc.
- Report period
- 28 Apr 2026
- Transactions
- 19
- Transaction value
- $0
- Accepted by SEC
- 28 Apr 2026, 16:23
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 04 Mar 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 04 Mar 2026, 20:09
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 27 Feb 2026
- Transactions
- 4
- Transaction value
- -$10,243,267
- Accepted by SEC
- 27 Feb 2026, 19:48
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 11 Feb 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 13 Feb 2026, 19:50
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 11 Feb 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 13 Feb 2026, 19:49
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 02 Jan 2026
- Transactions
- 7
- Transaction value
- $0
- Accepted by SEC
- 06 Jan 2026, 20:15
- Role
- Officer, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 28 Aug 2025
- Transactions
- 1
- Transaction value
- -$38,422,394
- Accepted by SEC
- 29 Aug 2025, 16:21
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 27 Feb 2025
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 27 Feb 2025, 16:10
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 26 Feb 2025
- Transactions
- 5
- Transaction value
- -$2,375,517
- Accepted by SEC
- 26 Feb 2025, 20:13
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 07 Feb 2025
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 11 Feb 2025, 19:25
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 07 Jan 2025
- Transactions
- 4
- Transaction value
- -$2,263,942
- Accepted by SEC
- 10 Jan 2025, 21:34
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4/A
ACLX
Arcellx, Inc.
- Report period
- 02 Jan 2025
- Transactions
- 4
- Transaction value
- -$2,368,198
- Accepted by SEC
- 10 Jan 2025, 21:25
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 01 Apr 2024
- Transactions
- 3
- Transaction value
- -$1,548,887
- Accepted by SEC
- 03 Apr 2024, 16:44
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 08 Feb 2024
- Transactions
- 3
- Transaction value
- -$2,410,740
- Accepted by SEC
- 12 Feb 2024, 19:43
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 07 Feb 2024
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 09 Feb 2024, 16:05
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 04 Jan 2024
- Transactions
- 1
- Transaction value
- -$1,606,804
- Accepted by SEC
- 08 Jan 2024, 16:02
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 02 Jan 2024
- Transactions
- 4
- Transaction value
- $0
- Accepted by SEC
- 04 Jan 2024, 19:29
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 31 May 2023
- Transactions
- 1
- Transaction value
- -$115,099
- Accepted by SEC
- 02 Jun 2023, 17:10
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 07 Feb 2023
- Transactions
- 3
- Transaction value
- -$967,423
- Accepted by SEC
- 09 Feb 2023, 18:24
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 03 Jan 2023
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 05 Jan 2023, 15:43
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 28 Sep 2022
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 30 Sep 2022, 16:12
- Role
- President, CEO and Chairman of the Board Exhibit 24 - Power of Attorney, Director
- Next action
- Open filing details
4
ACLX
Arcellx, Inc.
- Report period
- 03 Feb 2022
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 07 Feb 2022, 16:55
- Role
- President, CEO and Chairman of the Board, Director
- Next action
- Open filing details
3
ACLX
Arcellx, Inc.
- Report period
- 03 Feb 2022
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 03 Feb 2022, 16:19
- Role
- President, CEO and Chairman of the Board Exhibit 24 - Power of Attorney, Director
- Next action
- Open filing details