Insider Shareholders with Direct Ownership of Arcellx, Inc. (ACLX)
This section provides a comprehensive overview of the insiders with direct ownership of Arcellx, Inc. (ACLX). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
Arcellx, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
New Enterprise Associates 15, L.P.
> 10% Shareholder |
6,745,262 | 2,000,000 | 4,745,262 $406 Million | 3 |
Dec 20, 2022
Reduced 29.65%
|
|
Novo Holdings
> 10% Shareholder |
4,016,878 | 0 | 4,016,878 $344 Million | 1 |
Feb 08, 2022
Added 17.18%
|
| 1,511,265 | 768,448 | 617,919 $52.9 Million | 20 |
Aug 28, 2025
Reduced 46.95%
|
|
| 21,659 | 0 | 21,659 $1.85 Million | 1 |
Feb 08, 2022
Added 50.0%
|
|
|
Michelle Gilson
CHIEF FINANCIAL OFFICER |
158,997 | 136,314 | 8,466 $724,858 | 26 |
Oct 15, 2025
Reduced 38.79%
|
|
Christopher Heery
CHIEF MEDICAL OFFICER |
546,316 | 485,618 | 624 $53,426 | 72 |
Sep 30, 2025
Reduced 71.03%
|
|
Mohamad Makhzoumi
> 10% Shareholder |
283 | 0 | 283 $24,230 | 1 |
Dec 20, 2022
Added 50.0%
|
| 1,925 | 0 | 226 $19,350 | 3 |
Dec 20, 2022
Added 50.0%
|
|
|
Nea Partners 15, L.P.
> 10% Shareholder |
30,000 | 30,000 | 0 $0 | 2 |
Dec 20, 2022
Reduced 100.0%
|
| 18,402 | 18,402 | 0 $0 | 4 |
Apr 16, 2024
Reduced 100.0%
|
|
| 92,979 | 92,979 | 0 $0 | 42 |
Jun 10, 2025
Reduced 100.0%
|