ACLX Insider Trading

Insider Ownership Percentage: 8.35%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $16,080,120.76

Arcellx Insider Trading History Chart

This chart shows the insider buying and selling history at Arcellx by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Arcellx Share Price & Price History

Current Price: $64.69
Price Change: Price Decrease of -1.16 (-1.76%)
As of 07/1/2025 05:00 PM ET

This chart shows the closing price history over time for ACLX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Arcellx Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/10/2025Kavita PatelDirectorSell1,500$67.36$101,040.00View SEC Filing Icon  
5/20/2025Kavita PatelDirectorSell1,500$58.43$87,645.00View SEC Filing Icon  
4/29/2025Kavita PatelDirectorSell1,500$64.20$96,300.00View SEC Filing Icon  
4/8/2025Kavita PatelDirectorSell1,500$57.50$86,250.00View SEC Filing Icon  
3/18/2025Kavita PatelDirectorSell1,500$71.64$107,460.00View SEC Filing Icon  
2/26/2025Rami ElghandourInsiderSell38,300$62.02$2,375,366.00149,186View SEC Filing Icon  
2/25/2025Kavita PatelDirectorSell1,500$63.16$94,740.00View SEC Filing Icon  
2/24/2025Christopher HeeryInsiderSell10,155$63.79$647,787.4537,486View SEC Filing Icon  
2/4/2025Kavita PatelDirectorSell1,500$64.57$96,855.00View SEC Filing Icon  
1/14/2025Kavita PatelDirectorSell1,500$65.87$98,805.00View SEC Filing Icon  
1/8/2025Christopher HeeryInsiderSell3,553$73.69$261,820.5725,085View SEC Filing Icon  
1/6/2025Christopher HeeryInsiderSell3,061$77.17$236,217.3732,456View SEC Filing Icon  
1/3/2025Christopher HeeryInsiderSell3,301$79.55$262,594.5535,517View SEC Filing Icon  
12/24/2024Kavita PatelDirectorSell1,500$76.97$115,455.00View SEC Filing Icon  
12/3/2024Kavita PatelDirectorSell1,500$91.88$137,820.00View SEC Filing Icon  
11/11/2024Kavita PatelDirectorSell15,238$105.92$1,614,008.96View SEC Filing Icon  
11/8/2024Kavita PatelDirectorSell33,763$104.14$3,516,078.82View SEC Filing Icon  
10/22/2024Kavita PatelDirectorSell1,500$89.69$134,535.00View SEC Filing Icon  
9/17/2024Michelle GilsonCFOSell15,000$77.73$1,165,950.006,915View SEC Filing Icon  
9/10/2024Kavita PatelDirectorSell1,500$74.41$111,615.00View SEC Filing Icon  
9/5/2024Christopher HeeryInsiderSell3,421$70.02$239,538.429,278View SEC Filing Icon  
9/3/2024Christopher HeeryInsiderSell27,451$67.03$1,840,040.539,278View SEC Filing Icon  
8/26/2024Christopher HeeryInsiderSell21,684$71.12$1,542,166.089,278View SEC Filing Icon  
7/30/2024Kavita PatelDirectorSell1,500$61.97$92,955.00View SEC Filing Icon  
7/16/2024Christopher HeeryInsiderSell10,901$65.30$711,835.309,278View SEC Filing Icon  
7/11/2024Christopher HeeryInsiderSell3,671$60.01$220,296.719,278View SEC Filing Icon  
7/9/2024Kavita PatelDirectorSell1,500$56.63$84,945.00View SEC Filing Icon  
7/1/2024Christopher HeeryInsiderSell20,000$55.39$1,107,800.009,278View SEC Filing Icon  
6/27/2024Kavita PatelDirectorSell10,000$54.27$542,700.00View SEC Filing Icon  
6/26/2024Michelle GilsonCFOSell12,877$53.70$691,494.906,915View SEC Filing Icon  
6/12/2024Christopher HeeryInsiderSell20,000$55.13$1,102,600.009,278View SEC Filing Icon  
5/24/2024Michelle GilsonCFOSell12,121$50.71$614,655.9119,792View SEC Filing Icon  
5/1/2024Christopher HeeryInsiderSell18,168$51.33$932,563.448,938View SEC Filing Icon  
4/16/2024Olivia C. WareDirectorSell9,402$55.55$522,281.10View SEC Filing Icon  
4/1/2024Rami ElghandourInsiderSell23,086$67.09$1,548,839.7469,253View SEC Filing Icon  
3/26/2024Christopher HeeryInsiderSell5,450$69.11$376,649.508,938View SEC Filing Icon  
3/22/2024Christopher HeeryInsiderSell41,365$70.18$2,902,995.708,938View SEC Filing Icon  
3/21/2024Jill CarrollDirectorSell504,263$70.55$35,575,754.651,479,148View SEC Filing Icon  
3/18/2024Michelle GilsonCFOSell6,825$69.34$473,245.509,485View SEC Filing Icon  
3/15/2024Olivia C. WareDirectorSell9,000$70.40$633,600.00View SEC Filing Icon  
2/12/2024Christopher HeeryInsiderSell2,967$64.46$191,252.8230,303View SEC Filing Icon  
2/8/2024Christopher HeeryInsiderSell3,456$62.29$215,274.2436,958View SEC Filing Icon  
1/4/2024Christopher HeeryInsiderSell7,598$55.27$419,941.4617,859View SEC Filing Icon  
1/4/2024Michelle GilsonCFOSell8,514$55.27$470,568.7816,310View SEC Filing Icon  
8/4/2023Christopher HeeryInsiderSell3,000$35.38$106,140.007,795View SEC Filing Icon  
7/3/2023Christopher HeeryInsiderSell3,000$31.75$95,250.007,795View SEC Filing Icon  
5/31/2023Jill CarrollDirectorSell315,164$41.50$13,079,306.002,513,230View SEC Filing Icon  
5/31/2023Rami ElghandourInsiderSell2,600$44.27$115,102.0036,169View SEC Filing Icon  
5/24/2023Michelle GilsonCFOSell8,704$42.46$369,571.8415,485View SEC Filing Icon  
5/11/2023Jill CarrollDirectorSell638,417$45.01$28,735,149.172,828,394View SEC Filing Icon  
5/11/2023Sr One Capital Management, LlcMajor ShareholderSell1,012,833$45.01$45,587,613.331,658,780View SEC Filing Icon  
5/9/2023Christopher HeeryInsiderSell500$45.00$22,500.009,992View SEC Filing Icon  
5/5/2023Christopher HeeryInsiderSell1,200$45.00$54,000.0010,492View SEC Filing Icon  
5/3/2023Christopher HeeryInsiderSell3,000$43.44$130,320.0011,692View SEC Filing Icon  
4/24/2023Christopher HeeryInsiderSell20,000$40.00$800,000.0011,692View SEC Filing Icon  
4/19/2023Christopher HeeryInsiderSell15,642$35.01$547,626.4211,692View SEC Filing Icon  
4/3/2023Christopher HeeryInsiderSell3,000$30.71$92,130.0015,589View SEC Filing Icon  
2/9/2023Christopher HeeryInsiderSell6,966$30.77$214,343.8215,589View SEC Filing Icon  
2/3/2023Christopher HeeryinsiderSell1,255$35.11$44,063.05View SEC Filing Icon  
1/3/2023Christopher HeeryinsiderSell2,500$31.11$77,775.00View SEC Filing Icon  
12/23/2022Scott D SandellMajor ShareholderSell390$31.67$12,351.30View SEC Filing Icon  
12/21/2022Scott D SandellMajor ShareholderSell179$30.74$5,502.46View SEC Filing Icon  
12/13/2022Christopher HeeryinsiderSell12,500$30.03$375,375.00View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Arcellx (NASDAQ:ACLX)

96.03% of Arcellx stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ACLX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Arcellx Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/18/2025Voya Investment Management LLC277,102$18.18M0.0%+103.4%0.503%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers63,751$4.18M0.0%+6.4%0.116%Search for SEC Filing on Google Icon
5/28/2025Strs Ohio14,300$0.94M0.0%N/A0.026%Search for SEC Filing on Google Icon
5/20/2025Intech Investment Management LLC21,967$1.44M0.0%+27.7%0.040%Search for SEC Filing on Google Icon
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC264,756$17.37M0.0%-1.0%0.480%Search for SEC Filing on Google Icon
5/16/2025Woodline Partners LP165,305$10.84M0.1%+31.6%0.300%Search for SEC Filing on Google Icon
5/16/2025Empowered Funds LLC26,954$1.77M0.0%N/A0.049%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.174,788$11.47M0.0%-39.7%0.317%Search for SEC Filing on Google Icon
5/16/2025Parkman Healthcare Partners LLC67,390$4.42M0.5%+51.5%0.122%Search for SEC Filing on Google Icon
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.28,753$1.89M0.0%+5.1%0.052%Search for SEC Filing on Google Icon
5/16/2025Cormorant Asset Management LP1,050,000$68.88M5.2%-19.2%1.905%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC17,140$1.12M0.0%-15.3%0.031%Search for SEC Filing on Google Icon
5/16/2025Advisors Asset Management Inc.8,861$0.58M0.0%+15.8%0.016%Search for SEC Filing on Google Icon
5/16/2025Allostery Investments LP44,000$2.89M4.2%+25.7%0.080%Search for SEC Filing on Google Icon
5/16/2025ADAR1 Capital Management LLC13,962$0.92M0.2%+252.4%0.025%Search for SEC Filing on Google Icon
5/15/2025Vestal Point Capital LP2,387,720$156.63M11.2%+402.7%4.336%Search for SEC Filing on Google Icon
5/15/2025RA Capital Management L.P.3,036,527$199.20M3.3%+8.9%5.514%Search for SEC Filing on Google Icon
5/15/2025Dark Forest Capital Management LP71,070$4.66M0.2%+342.3%0.129%Search for SEC Filing on Google Icon
5/15/2025Quarry LP2,900$0.19M0.0%N/A0.005%Search for SEC Filing on Google Icon
5/15/2025Paradigm Biocapital Advisors LP4,492,032$294.68M13.9%+2.8%8.157%Search for SEC Filing on Google Icon
5/15/2025Tema Etfs LLC28,450$1.87M0.6%+281.0%0.052%Search for SEC Filing on Google Icon
5/14/2025Affinity Asset Advisors LLC530,000$34.77M3.3%+24.7%0.962%Search for SEC Filing on Google Icon
5/14/2025Rafferty Asset Management LLC58,507$3.84M0.0%-17.6%0.106%Search for SEC Filing on Google Icon
5/14/2025MetLife Investment Management LLC25,610$1.68M0.0%-1.7%0.047%Search for SEC Filing on Google Icon
5/14/2025Price T Rowe Associates Inc. MD1,839,624$120.68M0.0%-13.3%3.340%Search for SEC Filing on Google Icon
5/14/2025Martingale Asset Management L P11,405$0.75M0.0%-43.2%0.021%Search for SEC Filing on Google Icon
5/14/2025Candriam S.C.A.70,538$4.63M0.0%-63.8%0.128%Search for SEC Filing on Google Icon
5/14/2025T. Rowe Price Investment Management Inc.1,665,138$109.23M0.1%+135.9%3.024%Search for SEC Filing on Google Icon
5/14/2025EntryPoint Capital LLC3,774$0.25M0.1%N/A0.007%Search for SEC Filing on Google Icon
5/14/2025BI Asset Management Fondsmaeglerselskab A S761$50K0.0%N/A0.001%Search for SEC Filing on Google Icon
5/14/2025Hsbc Holdings PLC5,074$0.31M0.0%-20.5%0.009%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP18,439$1.21M0.0%-6.4%0.033%Search for SEC Filing on Google Icon
5/13/2025Northern Trust Corp403,841$26.49M0.0%-1.7%0.733%Search for SEC Filing on Google Icon
5/13/2025Raymond James Financial Inc.128,778$8.45M0.0%-1.4%0.234%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.54,321$3.56M0.0%+84.5%0.099%Search for SEC Filing on Google Icon
5/13/2025Sector Gamma AS35,000$2.30M0.7%N/A0.064%Search for SEC Filing on Google Icon
5/13/2025Lord Abbett & CO. LLC664,526$43.59M0.2%-31.8%1.207%Search for SEC Filing on Google Icon
5/13/2025E Fund Management Co. Ltd.5,468$0.36M0.0%+8.3%0.010%Search for SEC Filing on Google Icon
5/13/2025Russell Investments Group Ltd.152,023$9.97M0.0%-43.6%0.276%Search for SEC Filing on Google Icon
5/12/2025Knott David M Jr15,000$0.98M0.5%N/A0.027%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC111,786$7.33M0.0%N/A0.203%Search for SEC Filing on Google Icon
5/12/2025Invesco Ltd.30,242$1.98M0.0%+13.9%0.055%Search for SEC Filing on Google Icon
5/12/2025Covestor Ltd2,137$0.14M0.1%+47.6%0.004%Search for SEC Filing on Google Icon
5/12/2025Swiss National Bank62,900$4.13M0.0%-0.8%0.114%Search for SEC Filing on Google Icon
5/9/2025Deutsche Bank AG343,694$22.55M0.0%-0.2%0.624%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.336,949$22.10M0.0%-1.8%0.612%Search for SEC Filing on Google Icon
5/9/2025Vanguard Group Inc.3,985,156$261.43M0.0%+19.7%7.236%Search for SEC Filing on Google Icon
5/8/2025US Bancorp DE1,197$79K0.0%-80.1%0.002%Search for SEC Filing on Google Icon
5/8/2025Decheng Capital LLC50,000$3.28M0.9%-40.7%0.091%Search for SEC Filing on Google Icon
5/8/2025Federated Hermes Inc.46,224$3.03M0.0%-70.4%0.084%Search for SEC Filing on Google Icon
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank 9,579$0.63M0.0%-2.6%0.017%Search for SEC Filing on Google Icon
5/7/2025TD Asset Management Inc168,320$11.04M0.0%+2.7%0.306%Search for SEC Filing on Google Icon
5/6/2025Neo Ivy Capital Management3,948$0.26M0.1%N/A0.007%Search for SEC Filing on Google Icon
5/6/2025Readystate Asset Management LP45,058$2.96M0.1%N/A0.082%Search for SEC Filing on Google Icon
5/5/2025Allianz Asset Management GmbH10,000$0.66M0.0%-9.9%0.018%Search for SEC Filing on Google Icon
5/5/2025Atle Fund Management AB44,171$2.90M1.3%+5.0%0.080%Search for SEC Filing on Google Icon
5/2/2025Victory Capital Management Inc.178,110$11.68M0.0%-3.3%0.323%Search for SEC Filing on Google Icon
5/2/2025SBI Securities Co. Ltd.3,596$0.24M0.0%-12.8%0.007%Search for SEC Filing on Google Icon
5/1/2025New York State Common Retirement Fund13,323$0.87M0.0%-34.2%0.024%Search for SEC Filing on Google Icon
5/1/2025Xponance Inc.3,278$0.22M0.0%+6.2%0.006%Search for SEC Filing on Google Icon
4/30/2025China Universal Asset Management Co. Ltd.11,021$0.72M0.1%-3.9%0.020%Search for SEC Filing on Google Icon
4/29/2025Bank of New York Mellon Corp143,617$9.42M0.0%-0.5%0.261%Search for SEC Filing on Google Icon
4/29/2025GF Fund Management CO. LTD.1,384$91K0.0%+21.9%0.003%Search for SEC Filing on Google Icon
4/28/2025Principal Financial Group Inc.3,495$0.23M0.0%-5.0%0.006%Search for SEC Filing on Google Icon
4/28/2025Teacher Retirement System of Texas8,732$0.57M0.0%-8.6%0.016%Search for SEC Filing on Google Icon
4/25/2025Amalgamated Bank1,508$99K0.0%+12.0%0.003%Search for SEC Filing on Google Icon
4/24/2025Allspring Global Investments Holdings LLC7,702$0.47M0.0%+54.0%0.014%Search for SEC Filing on Google Icon
4/17/2025Exchange Traded Concepts LLC1,751$0.12M0.0%-19.5%0.003%Search for SEC Filing on Google Icon
4/15/2025Avanza Fonder AB1,643$0.11M0.0%-31.5%0.003%Search for SEC Filing on Google Icon
4/15/2025GAMMA Investing LLC494$32K0.0%+104.1%0.001%Search for SEC Filing on Google Icon
4/14/2025Harbor Capital Advisors Inc.22,836$1.50M0.1%-2.7%0.042%Search for SEC Filing on Google Icon
4/11/2025Congress Asset Management Co.25,107$1.65M0.0%-0.8%0.046%Search for SEC Filing on Google Icon
4/8/2025Rhumbline Advisers63,751$4.18M0.0%+6.4%0.116%Search for SEC Filing on Google Icon
4/7/2025GAMMA Investing LLC32,406$21.26M0.0%+13,290.9%0.059%Search for SEC Filing on Google Icon
3/24/2025Wellington Management Group LLP19,693$1.51M0.0%-6.1%0.036%Search for SEC Filing on Google Icon
3/18/2025California State Teachers Retirement System30,961$2.37M0.0%-0.7%0.056%Search for SEC Filing on Google Icon
2/19/2025GF Fund Management CO. LTD.1,135$87K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC267,384$20.51M0.0%-5.5%0.494%Search for SEC Filing on Google Icon
2/17/2025Voloridge Investment Management LLC178,198$13.67M0.0%+5.3%0.330%Search for SEC Filing on Google Icon
2/17/2025Woodline Partners LP125,649$9.64M0.1%+13.2%0.232%Search for SEC Filing on Google Icon
2/17/2025Vestal Point Capital LP475,000$36.43M2.2%-29.6%0.878%Search for SEC Filing on Google Icon
2/17/2025Soleus Capital Management L.P.121,031$9.28M0.6%+30.1%0.224%Search for SEC Filing on Google Icon
2/17/2025Squarepoint Ops LLC5,330$0.41M0.0%-46.7%0.010%Search for SEC Filing on Google Icon
2/17/2025Wexford Capital LP17,994$1.38M0.2%-46.2%0.033%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Advisers LP5,600$0.43M0.0%+24.4%0.010%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP6,900$0.53M0.0%-72.5%0.013%Search for SEC Filing on Google Icon
2/17/2025Tema Etfs LLC7,468$0.57M0.2%N/A0.014%Search for SEC Filing on Google Icon
2/17/2025Sherbrooke Park Advisers LLC3,805$0.29M0.1%N/A0.007%Search for SEC Filing on Google Icon
2/17/2025Rafferty Asset Management LLC71,037$5.45M0.0%+27.4%0.131%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC14,700$1.13M0.0%+29.8%0.027%Search for SEC Filing on Google Icon
2/17/2025Paradigm Biocapital Advisors LP4,371,601$335.26M11.7%-8.9%8.084%Search for SEC Filing on Google Icon
2/17/2025Parkman Healthcare Partners LLC44,492$3.41M0.5%-33.1%0.082%Search for SEC Filing on Google Icon
2/17/2025Nuveen Asset Management LLC111,786$8.57M0.0%-7.5%0.207%Search for SEC Filing on Google Icon
2/17/2025Nicholas Investment Partners LP48,086$3.69M0.3%+31.4%0.089%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC22,370$1.72M0.0%+123.7%0.041%Search for SEC Filing on Google Icon
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.27,363$2.10M0.0%+6.2%0.051%Search for SEC Filing on Google Icon
2/17/2025Integral Health Asset Management LLC100,000$7.67M0.7%-63.6%0.185%Search for SEC Filing on Google Icon
2/17/2025Jacobs Levy Equity Management Inc.78,584$6.03M0.0%-1.7%0.145%Search for SEC Filing on Google Icon
2/17/2025Janus Henderson Group PLC1,557,092$119.47M0.1%-22.6%2.880%Search for SEC Filing on Google Icon
2/17/2025Gotham Asset Management LLC10,508$0.81M0.0%-19.2%0.019%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Arcellx logo
Arcellx, Inc., together with its subsidiary, engages in the development of various immunotherapies for patients with cancer and other incurable diseases in the United States. The company's lead ddCAR product candidate is anitocabtagene autoleucel, which is in phase 2 clinical trial for the treatment of patients with relapsed or refractory multiple myeloma (rrMM). It also develops ACLX-001, a product candidate in Phase 1 clinical trials targeting BCMA to treat rrMM; and ACLX-002, which is in Phase 1 clinical trials that targets CD123 for treating relapsed or refractory acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). In addition, the company's preclinical product includes ACLX-003 for the treatment of AML and MDS. Further, it focuses on the development of product candidates for solid tumor programs. It has a strategic alliance with Kite Pharma, Inc. to co-develop and co-commercialize anitocabtagene autoleucel. The company was formerly known as Encarta Therapeutics, Inc. and changed its name to Arcellx, Inc. in January 2016. Arcellx, Inc. was incorporated in 2014 and is headquartered in Redwood City, California.
Read More on Arcellx

Today's Range

Now: $64.69
Low: $63.13
High: $65.81

50 Day Range

MA: $63.03
Low: $52.77
High: $68.10

52 Week Range

Now: $64.69
Low: $47.86
High: $107.37

Volume

478,234 shs

Average Volume

610,374 shs

Market Capitalization

$3.57 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.28

Who are the company insiders with the largest holdings of Arcellx?

Arcellx's top insider investors include:
  1. Jill Carroll (Director)
  2. Rami Elghandour (Insider)
  3. Christopher Heery (Insider)
  4. Michelle Gilson (CFO)
  5. Kavita Patel (Director)
  6. Olivia C Ware (Director)
Learn More about top insider investors at Arcellx.
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