13D/13G Filings - Arcellx Inc. (ACLX)

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
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Time period
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-05-15
4:30 pm
Sale
2025-03-31 13G Arcellx, Inc.
ACLX
PERCEPTIVE ADVISORS LLC 2,926,478
5.300%
-962,191decrease
(-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%
-1,652,954decrease
(-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%
655,064increase
(+19.67%)
Filing
History
2025-04-17
09:35 am
Sale
2025-03-31 13G Arcellx, Inc.
ACLX
BlackRock Inc.
BLK
3,527,220
6.400%
-719,472decrease
(-16.94%)
Filing
History
2025-02-27
4:23 pm
Purchase
2025-02-27 13D Arcellx, Inc.
ACLX
Rami Elghandour 3,997,132
6.900%
1,146,467increase
(+40.22%)
Filing
History
2025-02-12
09:16 am
Purchase
2024-12-31 13G Arcellx, Inc.
ACLX
FMR LLC 7,956,633
14.700%
1,477,360increase
(+22.80%)
Filing
History
2025-01-30
9:34 pm
Purchase
2024-12-31 13G Arcellx, Inc.
ACLX
The Vanguard Group 3,330,092
6.150%
3,330,092increase
(New Position)
Filing
History
2024-11-22
4:12 pm
Purchase
2024-11-15 13G Arcellx, Inc.
ACLX
RA CAPITAL MANAGEMENT L.P. 2,787,327
5.200%
2,787,327increase
(New Position)
Filing
History
2024-11-14
4:35 pm
Purchase
2024-09-30 13G Arcellx, Inc.
ACLX
Paradigm BioCapital Advisors LP 4,800,000
8.900%
1,141,376increase
(+31.20%)
Filing
History
2024-11-14
4:31 pm
Sale
2024-09-30 13G Arcellx, Inc.
ACLX
PERCEPTIVE ADVISORS LLC 3,888,669
7.200%
-656,140decrease
(-14.44%)
Filing
History
2024-11-12
09:50 am
Purchase
2024-11-08 13G Arcellx, Inc.
ACLX
FMR LLC 6,479,273
12.053%
1,084,778increase
(+20.11%)
Filing
History
2024-11-08
4:40 pm
Purchase
2024-11-03 13D Arcellx, Inc.
ACLX
Rami Elghandour 2,850,665
5.000%
2,850,665increase
(New Position)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-30 13G Arcellx, Inc.
ACLX
BlackRock Inc.
BLK
4,246,692
7.900%
0
(Unchanged)
Filing
History
2024-10-22
3:24 pm
Purchase
2024-09-30 13G Arcellx, Inc.
ACLX
BlackRock Inc.
BLK
4,246,692
7.900%
1,228,154increase
(+40.69%)
Filing
History
2024-04-10
10:06 am
Purchase
2024-04-09 13G Arcellx, Inc.
ACLX
FMR LLC 5,394,495
10.217%
1,015,326increase
(+23.19%)
Filing
History
2024-03-25
6:41 pm
Sale
2024-03-21 13D Arcellx, Inc.
ACLX
SR One Capital Management, LLC 2,346,630
4.440%
-800,000decrease
(-25.42%)
Filing
History
2024-02-14
5:57 pm
Purchase
2023-12-31 13G Arcellx, Inc.
ACLX
Paradigm BioCapital Advisors LP 3,658,624
7.000%
1,235,924increase
(+51.01%)
Filing
History
2024-02-14
4:48 pm
Purchase
2023-12-31 13G Arcellx, Inc.
ACLX
PERCEPTIVE ADVISORS LLC 4,544,809
8.800%
1,946,504increase
(+74.91%)
Filing
History
2024-02-13
11:50 am
Purchase
2023-12-31 13G Arcellx, Inc.
ACLX
SUVRETTA CAPITAL MANAGEMENT LLC 2,435,974
5.000%
85,641increase
(+3.64%)
Filing
History
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