InsiderFlow

ACLX

Arcellx, Inc.$115.07+0.00 ()
Prev Close$115.03·MCap$6.73B·P/E·Vol·Yield

Buys (12M)

0

$0.00

Sells (12M)

15

$20.98M

Net Activity

Net Seller

$20.98M

Active Insiders

4

last 12 mo

Over the past 12 months, insider activity at Arcellx, Inc. (ACLX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 15 insider sales totaling $20.98M. The most recent insider transaction was by Elghandour Rami (director, officer: SEE REMARKS), who sold $10.24M worth of shares on Feb 27, 2026. Arcellx, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $6.73B.

ACLX Insider Trading Activity

DateInsiderTypeValue
Feb 27, 2026 Elghandour RamiSell$10.24M
Feb 25, 2026 Gilson MichelleSell$1.28M
Feb 19, 2026 Gilson MichelleSell$1.14M
Feb 18, 2026 Gilson MichelleSell$784.8K
Feb 17, 2026 Gilson MichelleSell$784.8K
Jan 20, 2026 Lubner David CharlesSell$450.0K
Jan 14, 2026 Heery ChristopherSell$806.0K
Jan 13, 2026 Heery ChristopherSell$974.4K
Jan 12, 2026 Heery ChristopherSell$786.6K
Nov 17, 2025 Heery ChristopherSell$30.6K
Oct 15, 2025 Gilson MichelleSell$488.3K
Oct 3, 2025 Gilson MichelleSell$511.6K
Sep 30, 2025 Heery ChristopherSell$1.71M
Sep 29, 2025 Heery ChristopherSell$5.9K
Sep 26, 2025 Heery ChristopherSell$993.2K
Sep 18, 2025 Heery ChristopherSell$291.5K
Aug 28, 2025 Elghandour RamiSell$38.42M0.9% OS
Jun 10, 2025 Patel KavitaSell$101.0K
May 23, 2025 Gilson MichelleSell$784.8K
May 20, 2025 Patel KavitaSell$87.6K
Apr 29, 2025 Patel KavitaSell$96.3K
Apr 8, 2025 Patel KavitaSell$86.3K
Mar 18, 2025 Patel KavitaSell$107.5K
Feb 26, 2025 Elghandour RamiSell$2.38M
Feb 25, 2025 Patel KavitaSell$94.7K
Feb 24, 2025 Heery ChristopherSell$647.8K
Feb 4, 2025 Patel KavitaSell$96.9K
Jan 14, 2025 Patel KavitaSell$98.8K
Jan 7, 2025 Elghandour RamiSell$2.26M
Jan 7, 2025 Gilson MichelleSell$1.36M
Jan 7, 2025 Heery ChristopherSell$581.3K
Jan 2, 2025 Elghandour RamiSell$2.24M
Jan 2, 2025 Gilson MichelleSell$831.4K
Jan 2, 2025 Heery ChristopherSell$498.8K
Dec 24, 2024 Patel KavitaSell$115.5K
Dec 3, 2024 Patel KavitaSell$137.8K
Nov 15, 2024 Gilson MichelleSell$156.5K
Nov 12, 2024 Patel KavitaSell$159.5K
Nov 8, 2024 Gilson MichelleSell$1.24M
Nov 7, 2024 Patel KavitaSell$5.97M
Oct 22, 2024 Patel KavitaSell$134.5K
Oct 1, 2024 Patel KavitaSell$123.4K
Sep 17, 2024 Gilson MichelleSell$1.17M
Sep 10, 2024 Patel KavitaSell$111.6K
Sep 5, 2024 Heery ChristopherSell$239.5K
Sep 3, 2024 Heery ChristopherSell$1.84M
Aug 26, 2024 Heery ChristopherSell$1.54M
Aug 20, 2024 Patel KavitaSell$98.8K
Aug 16, 2024 Heery ChristopherSell$354.5K
Aug 1, 2024 Heery ChristopherSell$1.21M
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ACLX Insider Buying Activity

The following table shows recent insider purchases of Arcellx, Inc. (ACLX) stock reported via SEC Form 4 filings.

No insider buying activity found for ACLX in the last 12 months.

ACLX Insider Selling Activity

The following table shows recent insider sales of Arcellx, Inc. (ACLX) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Feb 27, 2026 Elghandour RamiSell$10.24M
Feb 25, 2026 Gilson MichelleSell$1.28M
Feb 19, 2026 Gilson MichelleSell$1.14M
Feb 18, 2026 Gilson MichelleSell$784.8K
Feb 17, 2026 Gilson MichelleSell$784.8K
Jan 20, 2026 Lubner David CharlesSell$450.0K
Jan 14, 2026 Heery ChristopherSell$806.0K
Jan 13, 2026 Heery ChristopherSell$974.4K
Jan 12, 2026 Heery ChristopherSell$786.6K
Nov 17, 2025 Heery ChristopherSell$30.6K
Oct 15, 2025 Gilson MichelleSell$488.3K
Oct 3, 2025 Gilson MichelleSell$511.6K
Sep 30, 2025 Heery ChristopherSell$1.71M
Sep 29, 2025 Heery ChristopherSell$5.9K
Sep 26, 2025 Heery ChristopherSell$993.2K
Sep 18, 2025 Heery ChristopherSell$291.5K
Aug 28, 2025 Elghandour RamiSell$38.42M0.9% OS
Jun 10, 2025 Patel KavitaSell$101.0K
May 23, 2025 Gilson MichelleSell$784.8K
May 20, 2025 Patel KavitaSell$87.6K
Apr 29, 2025 Patel KavitaSell$96.3K
Apr 8, 2025 Patel KavitaSell$86.3K
Mar 18, 2025 Patel KavitaSell$107.5K
Feb 26, 2025 Elghandour RamiSell$2.38M
Feb 25, 2025 Patel KavitaSell$94.7K
Feb 24, 2025 Heery ChristopherSell$647.8K
Feb 4, 2025 Patel KavitaSell$96.9K
Jan 14, 2025 Patel KavitaSell$98.8K
Jan 7, 2025 Elghandour RamiSell$2.26M
Jan 7, 2025 Gilson MichelleSell$1.36M
Jan 7, 2025 Heery ChristopherSell$581.3K
Jan 2, 2025 Elghandour RamiSell$2.24M
Jan 2, 2025 Gilson MichelleSell$831.4K
Jan 2, 2025 Heery ChristopherSell$498.8K
Dec 24, 2024 Patel KavitaSell$115.5K
Dec 3, 2024 Patel KavitaSell$137.8K
Nov 15, 2024 Gilson MichelleSell$156.5K
Nov 12, 2024 Patel KavitaSell$159.5K
Nov 8, 2024 Gilson MichelleSell$1.24M
Nov 7, 2024 Patel KavitaSell$5.97M
Oct 22, 2024 Patel KavitaSell$134.5K
Oct 1, 2024 Patel KavitaSell$123.4K
Sep 17, 2024 Gilson MichelleSell$1.17M
Sep 10, 2024 Patel KavitaSell$111.6K
Sep 5, 2024 Heery ChristopherSell$239.5K
Sep 3, 2024 Heery ChristopherSell$1.84M
Aug 26, 2024 Heery ChristopherSell$1.54M
Aug 20, 2024 Patel KavitaSell$98.8K
Aug 16, 2024 Heery ChristopherSell$354.5K
Aug 1, 2024 Heery ChristopherSell$1.21M

ACLX Insiders

Elghandour Rami

SEE REMARKS

Sold $62.20M
10 tradesLast: Feb 27, 2026
Gilson Michelle

officer: CHIEF FINANCIAL OFFICER

Sold $13.40M
17 tradesLast: Feb 25, 2026
Lubner David Charles

Director

Sold $450.0K
1 tradesLast: Jan 20, 2026
Heery Christopher

officer: CHIEF MEDICAL OFFICER

Sold $29.92M
37 tradesLast: Jan 14, 2026
Patel Kavita

Director

Sold $8.34M
19 tradesLast: Jun 10, 2025
Ware Olivia C

Director

Sold $1.16M
2 tradesLast: Apr 16, 2024
Carroll Jill

Director

Bought $25.00MSold $103.30M
5 tradesLast: Mar 21, 2024
SANDELL SCOTT D

10% Owner

Sold $11.7K
2 tradesLast: Dec 23, 2022
BASKETT FOREST

10% Owner

Sold $51.2K
1 tradesLast: Dec 20, 2022