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
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | Elghandour Rami | director, officer: SEE REMARKS | Sell | 89,916 | $113.92 | $10.24M | 276,051 |
| Feb 25, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 11,219 | $113.82 | $1.28M | 33,938 |
| Feb 19, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 16,668 | $68.29 | $1.14M | 50,662 |
| Feb 18, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 11,291 | $69.51 | $784.8K | 57,691 |
| Feb 17, 2026 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 11,291 | $69.51 | $784.8K | 0 |
| Jan 20, 2026 | Lubner David Charles | Director | Sell | 6,000 | $75.00 | $450.0K | 0 |
| Jan 14, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 11,764 | $68.51 | $806.0K | 23,749-33% |
| Jan 13, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 14,874 | $65.51 | $974.4K | 29,631-33% |
| Jan 12, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 12,262 | $64.15 | $786.6K | 37,068 |
| Nov 17, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 340 | $90.00 | $30.6K | 0 |
| Oct 15, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 5,364 | $91.04 | $488.3K | 0 |
| Oct 3, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 5,946 | $86.04 | $511.6K | 0 |
| Sep 30, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 21,034 | $81.28 | $1.71M | 0 |
| Sep 29, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 73 | $80.16 | $5.9K | 0 |
| Sep 26, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 12,396 | $80.12 | $993.2K | 0 |
| Sep 18, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 3,643 | $80.01 | $291.5K | 0 |
| Aug 28, 2025 | Elghandour Rami | SEE REMARKS | Sell | 546,938 | $70.25 | $38.42M0.9% OS | 0 |
| Jun 10, 2025 | Patel Kavita | Director | Sell | 1,500 | $67.36 | $101.0K | 0 |
| May 23, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 12,235 | $64.14 | $784.8K | 0 |
| May 20, 2025 | Patel Kavita | Director | Sell | 1,500 | $58.43 | $87.6K | 0 |
| Apr 29, 2025 | Patel Kavita | Director | Sell | 1,500 | $64.20 | $96.3K | 0 |
| Apr 8, 2025 | Patel Kavita | Director | Sell | 1,500 | $57.50 | $86.3K | 0 |
| Mar 18, 2025 | Patel Kavita | Director | Sell | 1,500 | $71.64 | $107.5K | 0 |
| Feb 26, 2025 | Elghandour Rami | SEE REMARKS | Sell | 38,300 | $62.02 | $2.38M | 0 |
| Feb 25, 2025 | Patel Kavita | Director | Sell | 1,500 | $63.16 | $94.7K | 0 |
| Feb 24, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 10,155 | $63.79 | $647.8K | 0 |
| Feb 4, 2025 | Patel Kavita | Director | Sell | 1,500 | $64.57 | $96.9K | 0 |
| Jan 14, 2025 | Patel Kavita | Director | Sell | 1,500 | $65.87 | $98.8K | 0 |
| Jan 7, 2025 | Elghandour Rami | SEE REMARKS | Sell | 30,311 | $74.69 | $2.26M | 0 |
| Jan 7, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 18,009 | $75.24 | $1.36M | 0 |
| Jan 7, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 7,783 | $74.69 | $581.3K | 0 |
| Jan 2, 2025 | Elghandour Rami | SEE REMARKS | Sell | 28,633 | $78.40 | $2.24M | 0 |
| Jan 2, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 10,604 | $78.40 | $831.4K | 0 |
| Jan 2, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 6,362 | $78.40 | $498.8K | 0 |
| Dec 24, 2024 | Patel Kavita | Director | Sell | 1,500 | $76.97 | $115.5K | 0 |
| Dec 3, 2024 | Patel Kavita | Director | Sell | 1,500 | $91.88 | $137.8K | 0 |
| Nov 15, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 1,761 | $88.87 | $156.5K | 0 |
| Nov 12, 2024 | Patel Kavita | Director | Sell | 1,500 | $106.33 | $159.5K | 0 |
| Nov 8, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 12,354 | $100.55 | $1.24M | 0 |
| Nov 7, 2024 | Patel Kavita | Director | Sell | 57,479 | $103.90 | $5.97M | 0 |
| Oct 22, 2024 | Patel Kavita | Director | Sell | 1,500 | $89.69 | $134.5K | 0 |
| Oct 1, 2024 | Patel Kavita | Director | Sell | 1,500 | $82.24 | $123.4K | 0 |
| Sep 17, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 15,000 | $77.73 | $1.17M | 0 |
| Sep 10, 2024 | Patel Kavita | Director | Sell | 1,500 | $74.41 | $111.6K | 0 |
| Sep 5, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 3,421 | $70.02 | $239.5K | 0 |
| Sep 3, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 27,451 | $67.03 | $1.84M | 0 |
| Aug 26, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 21,684 | $71.12 | $1.54M | 0 |
| Aug 20, 2024 | Patel Kavita | Director | Sell | 1,500 | $65.88 | $98.8K | 0 |
| Aug 16, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 5,450 | $65.05 | $354.5K | 0 |
| Aug 1, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 20,000 | $60.42 | $1.21M | 0 |
Showing 1–50 of 94
1 / 2
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.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | Elghandour Rami | director, officer: SEE REMARKS | Sell | 89,916 | $113.92 | $10.24M | 276,051 |
| Feb 25, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 11,219 | $113.82 | $1.28M | 33,938 |
| Feb 19, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 16,668 | $68.29 | $1.14M | 50,662 |
| Feb 18, 2026 | Gilson Michelle | officer: CHIEF FINANCIAL OFFICER | Sell | 11,291 | $69.51 | $784.8K | 57,691 |
| Feb 17, 2026 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 11,291 | $69.51 | $784.8K | 0 |
| Jan 20, 2026 | Lubner David Charles | Director | Sell | 6,000 | $75.00 | $450.0K | 0 |
| Jan 14, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 11,764 | $68.51 | $806.0K | 23,749-33% |
| Jan 13, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 14,874 | $65.51 | $974.4K | 29,631-33% |
| Jan 12, 2026 | Heery Christopher | officer: CHIEF MEDICAL OFFICER | Sell | 12,262 | $64.15 | $786.6K | 37,068 |
| Nov 17, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 340 | $90.00 | $30.6K | 0 |
| Oct 15, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 5,364 | $91.04 | $488.3K | 0 |
| Oct 3, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 5,946 | $86.04 | $511.6K | 0 |
| Sep 30, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 21,034 | $81.28 | $1.71M | 0 |
| Sep 29, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 73 | $80.16 | $5.9K | 0 |
| Sep 26, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 12,396 | $80.12 | $993.2K | 0 |
| Sep 18, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 3,643 | $80.01 | $291.5K | 0 |
| Aug 28, 2025 | Elghandour Rami | SEE REMARKS | Sell | 546,938 | $70.25 | $38.42M0.9% OS | 0 |
| Jun 10, 2025 | Patel Kavita | Director | Sell | 1,500 | $67.36 | $101.0K | 0 |
| May 23, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 12,235 | $64.14 | $784.8K | 0 |
| May 20, 2025 | Patel Kavita | Director | Sell | 1,500 | $58.43 | $87.6K | 0 |
| Apr 29, 2025 | Patel Kavita | Director | Sell | 1,500 | $64.20 | $96.3K | 0 |
| Apr 8, 2025 | Patel Kavita | Director | Sell | 1,500 | $57.50 | $86.3K | 0 |
| Mar 18, 2025 | Patel Kavita | Director | Sell | 1,500 | $71.64 | $107.5K | 0 |
| Feb 26, 2025 | Elghandour Rami | SEE REMARKS | Sell | 38,300 | $62.02 | $2.38M | 0 |
| Feb 25, 2025 | Patel Kavita | Director | Sell | 1,500 | $63.16 | $94.7K | 0 |
| Feb 24, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 10,155 | $63.79 | $647.8K | 0 |
| Feb 4, 2025 | Patel Kavita | Director | Sell | 1,500 | $64.57 | $96.9K | 0 |
| Jan 14, 2025 | Patel Kavita | Director | Sell | 1,500 | $65.87 | $98.8K | 0 |
| Jan 7, 2025 | Elghandour Rami | SEE REMARKS | Sell | 30,311 | $74.69 | $2.26M | 0 |
| Jan 7, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 18,009 | $75.24 | $1.36M | 0 |
| Jan 7, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 7,783 | $74.69 | $581.3K | 0 |
| Jan 2, 2025 | Elghandour Rami | SEE REMARKS | Sell | 28,633 | $78.40 | $2.24M | 0 |
| Jan 2, 2025 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 10,604 | $78.40 | $831.4K | 0 |
| Jan 2, 2025 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 6,362 | $78.40 | $498.8K | 0 |
| Dec 24, 2024 | Patel Kavita | Director | Sell | 1,500 | $76.97 | $115.5K | 0 |
| Dec 3, 2024 | Patel Kavita | Director | Sell | 1,500 | $91.88 | $137.8K | 0 |
| Nov 15, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 1,761 | $88.87 | $156.5K | 0 |
| Nov 12, 2024 | Patel Kavita | Director | Sell | 1,500 | $106.33 | $159.5K | 0 |
| Nov 8, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 12,354 | $100.55 | $1.24M | 0 |
| Nov 7, 2024 | Patel Kavita | Director | Sell | 57,479 | $103.90 | $5.97M | 0 |
| Oct 22, 2024 | Patel Kavita | Director | Sell | 1,500 | $89.69 | $134.5K | 0 |
| Oct 1, 2024 | Patel Kavita | Director | Sell | 1,500 | $82.24 | $123.4K | 0 |
| Sep 17, 2024 | Gilson Michelle | CHIEF FINANCIAL OFFICER | Sell | 15,000 | $77.73 | $1.17M | 0 |
| Sep 10, 2024 | Patel Kavita | Director | Sell | 1,500 | $74.41 | $111.6K | 0 |
| Sep 5, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 3,421 | $70.02 | $239.5K | 0 |
| Sep 3, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 27,451 | $67.03 | $1.84M | 0 |
| Aug 26, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 21,684 | $71.12 | $1.54M | 0 |
| Aug 20, 2024 | Patel Kavita | Director | Sell | 1,500 | $65.88 | $98.8K | 0 |
| Aug 16, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 5,450 | $65.05 | $354.5K | 0 |
| Aug 1, 2024 | Heery Christopher | CHIEF MEDICAL OFFICER | Sell | 20,000 | $60.42 | $1.21M | 0 |
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