Form 4 Tracker
Arcellx, Inc.
ACLX

20 insider filings · Latest: Apr 28, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 25, 2025Feb 25 9:37 PMKAVITA K PATEL
Proposed Sale
7,500$63.01$472.6K

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Feb 24, 2025Feb 25 12:57 AMHeery Christopher
Proposed Sale
10,155$63.79$647.8K

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Jan 7, 2025Jan 8 2:39 AMHeery Christopher
Proposed Sale
8,100$75.53$611.8K

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Jan 7, 2025Jan 8 2:38 AMGilson Michelle
Proposed Sale
9,100$75.53$687.3K

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Jan 7, 2025Jan 8 2:37 AMElghandour Rami
Proposed Sale
32,000$75.53$2.4M

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Jan 7, 2025Jan 7 9:25 PMMICHELLE GILSON
Proposed Sale
9,252$75.01$694.0K

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Jan 3, 2025Jan 4 1:52 AMHeery Christopher
Proposed Sale
7,000$79.55$556.8K

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Jan 3, 2025Jan 4 1:50 AMGilson Michelle
Proposed Sale
13,000$79.55$1.0M

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Jan 3, 2025Jan 4 1:47 AMElghandour Rami
Proposed Sale
33,000$79.55$2.6M

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Nov 8, 2024Nov 8 9:41 PMKAVITA K PATEL
Proposed Sale
45,003$99.16$4.5M

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Oct 22, 2024Oct 22 8:23 PMKAVITA K PATEL
Proposed Sale
7,500$90.28$677.1K

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Sep 17, 2024Sep 17 8:39 PMMICHELLE GILSON
Proposed Sale
15,000$77.01$1.2M

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Aug 26, 2024Aug 26 8:24 PMCHRISTOPHER HEERY
Proposed Sale
48,907$69.38$3.4M

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Nov 7, 2024KAVITA K PATEL
Proposed Sale
13,976$92.98$1.3M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 28, 2026Apr 28 10:22 PMJill CarrollDirector
Disposition
28,644$63.680(D)

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Apr 28, 2026Apr 28 8:34 PMAli BehbahaniDirector
Disposition
28,644$63.680(D)

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Apr 28, 2026Apr 28 8:31 PMOlivia C WareDirector
Disposition
65,450$63.680(D)

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Apr 28, 2026Apr 28 8:30 PMKavita PatelDirector
Disposition
76,234$63.680(D)

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Apr 28, 2026Apr 28 8:29 PMKristin MyersDirector
Disposition
18,613$69.870(D)

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Apr 28, 2026Apr 28 8:28 PMDavid Charles LubnerDirector
Disposition
195,007$63.680(D)

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Apr 28, 2026Apr 28 8:26 PMAndrew H GalliganDirector
Disposition
18,613$69.870(D)

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Apr 28, 2026Apr 28 8:25 PMMichelle GilsonCHIEF FINANCIAL OFFICER
Grant/Award
59,02859,028(D)

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Apr 28, 2026Apr 28 8:25 PMMichelle GilsonCHIEF FINANCIAL OFFICER
Disposition
467,753$56.150(D)

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Apr 28, 2026Apr 28 8:24 PMChristopher HeeryCHIEF MEDICAL OFFICER
Grant/Award
45,13845,138(D)

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Apr 28, 2026Apr 28 8:24 PMChristopher HeeryCHIEF MEDICAL OFFICER
Disposition
528,320$56.150(D)

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Apr 28, 2026Apr 28 8:23 PMElghandour RamiDirector, President, CEO and Chairman of the Board
Disposition
4,339,525$56.150(I)

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Apr 28, 2026Apr 28 8:23 PMElghandour RamiDirector, President, CEO and Chairman of the Board
Grant/Award
571,021138,888(D)

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Apr 16, 2026Apr 17 9:00 PMMichelle GilsonCHIEF FINANCIAL OFFICER
Option Exercise
2,110$8.6640,205(D)

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Apr 15, 2026Apr 17 9:00 PMMichelle GilsonCHIEF FINANCIAL OFFICER
Option Exercise
36,000$8.6642,315(D)

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Jan 20, 2026Jan 21 12:59 AMDavid Charles LubnerDirector
Option Exercise
6,000$6.2859,405(D)

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