ACLX Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 6.24%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $20,786,950.01

Arcellx Insider Trading History Chart

Arcellx Share Price & Price History

^$62.02

▲ +1.33 (2.19%)

As of 04/17/2025 05:00 PM ET

Days: 30 | 90 | 365

Arcellx Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
4/8/2025	Kavita Patel	Director	Sell	1,500	$57.50	$86,250.00
3/18/2025	Kavita Patel	Director	Sell	1,500	$71.64	$107,460.00
2/26/2025	Rami Elghandour	Insider	Sell	38,300	$62.02	$2,375,366.00	149,186
2/25/2025	Kavita Patel	Director	Sell	1,500	$63.16	$94,740.00
2/24/2025	Christopher Heery	Insider	Sell	10,155	$63.79	$647,787.45	37,486
2/4/2025	Kavita Patel	Director	Sell	1,500	$64.57	$96,855.00
1/14/2025	Kavita Patel	Director	Sell	1,500	$65.87	$98,805.00
1/8/2025	Christopher Heery	Insider	Sell	3,553	$73.69	$261,820.57	25,085
1/6/2025	Christopher Heery	Insider	Sell	3,061	$77.17	$236,217.37	32,456
1/3/2025	Christopher Heery	Insider	Sell	3,301	$79.55	$262,594.55	35,517
12/24/2024	Kavita Patel	Director	Sell	1,500	$76.97	$115,455.00
12/3/2024	Kavita Patel	Director	Sell	1,500	$91.88	$137,820.00
11/11/2024	Kavita Patel	Director	Sell	15,238	$105.92	$1,614,008.96
11/8/2024	Kavita Patel	Director	Sell	33,763	$104.14	$3,516,078.82
10/22/2024	Kavita Patel	Director	Sell	1,500	$89.69	$134,535.00
9/17/2024	Michelle Gilson	CFO	Sell	15,000	$77.73	$1,165,950.00	6,915
9/10/2024	Kavita Patel	Director	Sell	1,500	$74.41	$111,615.00
9/5/2024	Christopher Heery	Insider	Sell	3,421	$70.02	$239,538.42	9,278
9/3/2024	Christopher Heery	Insider	Sell	27,451	$67.03	$1,840,040.53	9,278
8/26/2024	Christopher Heery	Insider	Sell	21,684	$71.12	$1,542,166.08	9,278
7/30/2024	Kavita Patel	Director	Sell	1,500	$61.97	$92,955.00
7/16/2024	Christopher Heery	Insider	Sell	10,901	$65.30	$711,835.30	9,278
7/11/2024	Christopher Heery	Insider	Sell	3,671	$60.01	$220,296.71	9,278
7/9/2024	Kavita Patel	Director	Sell	1,500	$56.63	$84,945.00
7/1/2024	Christopher Heery	Insider	Sell	20,000	$55.39	$1,107,800.00	9,278
6/27/2024	Kavita Patel	Director	Sell	10,000	$54.27	$542,700.00
6/26/2024	Michelle Gilson	CFO	Sell	12,877	$53.70	$691,494.90	6,915
6/12/2024	Christopher Heery	Insider	Sell	20,000	$55.13	$1,102,600.00	9,278
5/24/2024	Michelle Gilson	CFO	Sell	12,121	$50.71	$614,655.91	19,792
5/1/2024	Christopher Heery	Insider	Sell	18,168	$51.33	$932,563.44	8,938
4/16/2024	Olivia C. Ware	Director	Sell	9,402	$55.55	$522,281.10
4/1/2024	Rami Elghandour	Insider	Sell	23,086	$67.09	$1,548,839.74	69,253
3/26/2024	Christopher Heery	Insider	Sell	5,450	$69.11	$376,649.50	8,938
3/22/2024	Christopher Heery	Insider	Sell	41,365	$70.18	$2,902,995.70	8,938
3/21/2024	Jill Carroll	Director	Sell	504,263	$70.55	$35,575,754.65	1,479,148
3/18/2024	Michelle Gilson	CFO	Sell	6,825	$69.34	$473,245.50	9,485
3/15/2024	Olivia C. Ware	Director	Sell	9,000	$70.40	$633,600.00
2/12/2024	Christopher Heery	Insider	Sell	2,967	$64.46	$191,252.82	30,303
2/8/2024	Christopher Heery	Insider	Sell	3,456	$62.29	$215,274.24	36,958
1/4/2024	Christopher Heery	Insider	Sell	7,598	$55.27	$419,941.46	17,859
1/4/2024	Michelle Gilson	CFO	Sell	8,514	$55.27	$470,568.78	16,310
8/4/2023	Christopher Heery	Insider	Sell	3,000	$35.38	$106,140.00	7,795
7/3/2023	Christopher Heery	Insider	Sell	3,000	$31.75	$95,250.00	7,795
5/31/2023	Jill Carroll	Director	Sell	315,164	$41.50	$13,079,306.00	2,513,230
5/31/2023	Rami Elghandour	Insider	Sell	2,600	$44.27	$115,102.00	36,169
5/24/2023	Michelle Gilson	CFO	Sell	8,704	$42.46	$369,571.84	15,485
5/11/2023	Jill Carroll	Director	Sell	638,417	$45.01	$28,735,149.17	2,828,394
5/11/2023	Sr One Capital Management, Llc	Major Shareholder	Sell	1,012,833	$45.01	$45,587,613.33	1,658,780
5/9/2023	Christopher Heery	Insider	Sell	500	$45.00	$22,500.00	9,992
5/5/2023	Christopher Heery	Insider	Sell	1,200	$45.00	$54,000.00	10,492
5/3/2023	Christopher Heery	Insider	Sell	3,000	$43.44	$130,320.00	11,692
4/24/2023	Christopher Heery	Insider	Sell	20,000	$40.00	$800,000.00	11,692
4/19/2023	Christopher Heery	Insider	Sell	15,642	$35.01	$547,626.42	11,692
4/3/2023	Christopher Heery	Insider	Sell	3,000	$30.71	$92,130.00	15,589
2/9/2023	Christopher Heery	Insider	Sell	6,966	$30.77	$214,343.82	15,589
2/3/2023	Christopher Heery	insider	Sell	1,255	$35.11	$44,063.05
1/3/2023	Christopher Heery	insider	Sell	2,500	$31.11	$77,775.00
12/23/2022	Scott D Sandell	Major Shareholder	Sell	390	$31.67	$12,351.30
12/21/2022	Scott D Sandell	Major Shareholder	Sell	179	$30.74	$5,502.46
12/13/2022	Christopher Heery	insider	Sell	12,500	$30.03	$375,375.00
6/21/2022	Enterprise Associates 15 New	Major Shareholder	Buy	312,500	$16.00	$5,000,000.00	6,745,262

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

Arcellx Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/17/2025	Exchange Traded Concepts LLC	1,751	$0.12M	0.0%	-19.5%	0.003%
4/15/2025	Avanza Fonder AB	1,643	$0.11M	0.0%	-31.5%	0.003%
4/15/2025	GAMMA Investing LLC	494	$32K	0.0%	+104.1%	0.001%
4/14/2025	Harbor Capital Advisors Inc.	22,836	$1.50M	0.1%	-2.7%	0.042%
4/11/2025	Congress Asset Management Co.	25,107	$1.65M	0.0%	-0.8%	0.046%
4/8/2025	Rhumbline Advisers	63,751	$4.18M	0.0%	+6.4%	0.116%
4/7/2025	GAMMA Investing LLC	32,406	$21.26M	0.0%	+13,290.9%	0.059%
3/24/2025	Wellington Management Group LLP	19,693	$1.51M	0.0%	-6.1%	0.036%
3/18/2025	California State Teachers Retirement System	30,961	$2.37M	0.0%	-0.7%	0.056%
2/19/2025	GF Fund Management CO. LTD.	1,135	$87K	0.0%	N/A	0.002%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	267,384	$20.51M	0.0%	-5.5%	0.494%
2/17/2025	Voloridge Investment Management LLC	178,198	$13.67M	0.0%	+5.3%	0.330%
2/17/2025	Woodline Partners LP	125,649	$9.64M	0.1%	+13.2%	0.232%
2/17/2025	Vestal Point Capital LP	475,000	$36.43M	2.2%	-29.6%	0.878%
2/17/2025	Soleus Capital Management L.P.	121,031	$9.28M	0.6%	+30.1%	0.224%
2/17/2025	Squarepoint Ops LLC	5,330	$0.41M	0.0%	-46.7%	0.010%
2/17/2025	Wexford Capital LP	17,994	$1.38M	0.2%	-46.2%	0.033%
2/17/2025	Two Sigma Advisers LP	5,600	$0.43M	0.0%	+24.4%	0.010%
2/17/2025	Two Sigma Investments LP	6,900	$0.53M	0.0%	-72.5%	0.013%
2/17/2025	Tema Etfs LLC	7,468	$0.57M	0.2%	N/A	0.014%
2/17/2025	Sherbrooke Park Advisers LLC	3,805	$0.29M	0.1%	N/A	0.007%
2/17/2025	Rafferty Asset Management LLC	71,037	$5.45M	0.0%	+27.4%	0.131%
2/17/2025	ProShare Advisors LLC	14,700	$1.13M	0.0%	+29.8%	0.027%
2/17/2025	Paradigm Biocapital Advisors LP	4,371,601	$335.26M	11.7%	-8.9%	8.084%
2/17/2025	Parkman Healthcare Partners LLC	44,492	$3.41M	0.5%	-33.1%	0.082%
2/17/2025	Nuveen Asset Management LLC	111,786	$8.57M	0.0%	-7.5%	0.207%
2/17/2025	Nicholas Investment Partners LP	48,086	$3.69M	0.3%	+31.4%	0.089%
2/17/2025	Millennium Management LLC	22,370	$1.72M	0.0%	+123.7%	0.041%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	27,363	$2.10M	0.0%	+6.2%	0.051%
2/17/2025	Integral Health Asset Management LLC	100,000	$7.67M	0.7%	-63.6%	0.185%
2/17/2025	Jacobs Levy Equity Management Inc.	78,584	$6.03M	0.0%	-1.7%	0.145%
2/17/2025	Janus Henderson Group PLC	1,557,092	$119.47M	0.1%	-22.6%	2.880%
2/17/2025	Gotham Asset Management LLC	10,508	$0.81M	0.0%	-19.2%	0.019%
2/17/2025	FORA Capital LLC	4,064	$0.31M	0.0%	-68.6%	0.008%
2/17/2025	Deutsche Bank AG	344,529	$26.42M	0.0%	-26.0%	0.637%
2/17/2025	Brevan Howard Capital Management LP	6,079	$0.47M	0.0%	N/A	0.011%
2/17/2025	Bamco Inc. NY	348,333	$26.71M	0.1%	+1.6%	0.644%
2/17/2025	Bellevue Group AG	3,000	$0.23M	0.0%	-25.0%	0.006%
2/17/2025	BNP Paribas Financial Markets	19,965	$1.53M	0.0%	N/A	0.037%
2/17/2025	Ameriprise Financial Inc.	10,171	$0.78M	0.0%	-8.5%	0.019%
2/17/2025	Algert Global LLC	6,844	$0.53M	0.0%	N/A	0.013%
2/17/2025	Allostery Investments LP	35,000	$2.68M	2.8%	N/A	0.065%
2/17/2025	Acuta Capital Partners LLC	10,743	$0.82M	0.8%	-82.7%	0.020%
2/14/2025	Mercer Global Advisors Inc. ADV	3,619	$0.28M	0.0%	N/A	0.007%
2/14/2025	RA Capital Management L.P.	2,787,327	$213.76M	2.8%	+50.5%	5.154%
2/14/2025	Samsara BioCapital LLC	253,641	$19.45M	2.6%	-28.3%	0.469%
2/14/2025	Schonfeld Strategic Advisors LLC	32,737	$2.51M	0.0%	N/A	0.061%
2/14/2025	Northern Trust Corp	410,733	$31.50M	0.0%	+6.9%	0.759%
2/14/2025	The Manufacturers Life Insurance Company	98,314	$7.54M	0.0%	+15.9%	0.182%
2/14/2025	Artia Global Partners LP	229,785	$17.62M	6.3%	N/A	0.425%
2/14/2025	Decheng Capital LLC	84,377	$6.47M	1.4%	+298.4%	0.156%
2/14/2025	Virtus ETF Advisers LLC	852	$65K	0.0%	-48.4%	0.002%
2/14/2025	Lord Abbett & CO. LLC	974,832	$74.76M	0.2%	+9.3%	1.803%
2/14/2025	Voya Investment Management LLC	136,203	$10.45M	0.0%	-7.1%	0.252%
2/14/2025	T. Rowe Price Investment Management Inc.	705,922	$54.14M	0.0%	-25.3%	1.305%
2/14/2025	Price T Rowe Associates Inc. MD	2,121,322	$162.69M	0.0%	+11.6%	3.923%
2/14/2025	Dark Forest Capital Management LP	16,067	$1.23M	0.2%	-41.8%	0.030%
2/14/2025	Hsbc Holdings PLC	6,383	$0.50M	0.0%	+114.7%	0.012%
2/14/2025	Tower Research Capital LLC TRC	7,984	$0.61M	0.0%	+1,081.1%	0.015%
2/14/2025	MetLife Investment Management LLC	26,058	$2M	0.0%	+4.3%	0.048%
2/14/2025	Capital World Investors	252,878	$19.39M	0.0%	N/A	0.468%
2/14/2025	Dimensional Fund Advisors LP	305,088	$23.40M	0.0%	+156.2%	0.564%
2/14/2025	First Trust Advisors LP	134,197	$10.29M	0.0%	+274.3%	0.248%
2/14/2025	Gilead Sciences Inc.	6,720,803	$515.42M	33.2%	N/A	12.429%
2/13/2025	EAM Investors LLC	43,009	$3.30M	0.5%	N/A	0.080%
2/13/2025	Affinity Asset Advisors LLC	425,000	$32.59M	4.4%	+6.3%	0.786%
2/13/2025	Jump Financial LLC	4,359	$0.33M	0.0%	N/A	0.008%
2/13/2025	Guggenheim Capital LLC	8,303	$0.64M	0.0%	N/A	0.015%
2/13/2025	Walleye Capital LLC	10,659	$0.82M	0.0%	N/A	0.020%
2/13/2025	Mariner LLC	6,980	$0.54M	0.0%	+37.8%	0.013%
2/13/2025	Barclays PLC	91,595	$7.03M	0.0%	+7.4%	0.169%
2/13/2025	Covestor Ltd	1,448	$0.11M	0.1%	-10.4%	0.003%
2/13/2025	Martingale Asset Management L P	20,096	$1.54M	0.0%	-5.1%	0.037%
2/13/2025	Renaissance Technologies LLC	49,100	$3.77M	0.0%	N/A	0.091%
2/13/2025	Legal & General Group Plc	43,033	$3.30M	0.0%	-3.2%	0.080%
2/13/2025	Invesco Ltd.	26,550	$2.04M	0.0%	+15.7%	0.049%
2/13/2025	FMR LLC	7,956,633	$610.19M	0.0%	+22.8%	14.713%
2/13/2025	Federated Hermes Inc.	156,094	$11.97M	0.0%	+141.4%	0.289%
2/13/2025	Russell Investments Group Ltd.	269,386	$20.66M	0.0%	-16.0%	0.498%
2/13/2025	Envestnet Asset Management Inc.	2,747	$0.21M	0.0%	-26.7%	0.005%
2/13/2025	Rhenman & Partners Asset Management AB	43,500	$3.34M	0.3%	+35.9%	0.080%
2/13/2025	Wells Fargo & Company MN	26,638	$2.04M	0.0%	+35.7%	0.049%
2/12/2025	Landscape Capital Management L.L.C.	2,793	$0.21M	0.0%	N/A	0.005%
2/12/2025	Bryce Point Capital LLC	7,475	$0.57M	0.2%	N/A	0.014%
2/12/2025	Trexquant Investment LP	7,237	$0.56M	0.0%	N/A	0.013%
2/12/2025	Headlands Technologies LLC	529	$41K	0.0%	N/A	0.001%
2/12/2025	Geode Capital Management LLC	979,026	$75.10M	0.0%	+0.4%	1.810%
2/12/2025	Franklin Resources Inc.	52,297	$4.01M	0.0%	-7.9%	0.097%
2/12/2025	Alliancebernstein L.P.	51,250	$3.93M	0.0%	-10.8%	0.095%
2/12/2025	Wellington Management Group LLP	19,693	$1.51M	0.0%	-6.1%	0.036%
2/12/2025	Pictet Asset Management Holding SA	4,945	$0.38M	0.0%	+40.5%	0.009%
2/12/2025	Norges Bank	27,251	$2.09M	0.0%	N/A	0.050%
2/12/2025	NEOS Investment Management LLC	7,468	$0.57M	0.0%	-37.3%	0.014%
2/12/2025	JPMorgan Chase & Co.	224,456	$17.21M	0.0%	-10.3%	0.415%
2/11/2025	Corebridge Financial Inc.	21,430	$1.64M	0.0%	-7.0%	0.040%
2/11/2025	Vanguard Group Inc.	3,330,092	$255.39M	0.0%	+35.3%	6.158%
2/11/2025	KLP Kapitalforvaltning AS	6,600	$0.51M	0.0%	N/A	0.012%
2/11/2025	Sei Investments Co.	9,688	$0.74M	0.0%	+99.3%	0.018%
2/11/2025	American Century Companies Inc.	29,446	$2.26M	0.0%	N/A	0.054%
2/11/2025	Teacher Retirement System of Texas	9,556	$0.73M	0.0%	+18.7%	0.018%

Data available starting January 2016

See Full Table

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.

Today's Range

Now: $62.02

$60.25

$62.11

50 Day Range

MA: $64.91

$53.60

$72.74

52 Week Range

Now: $62.02

$47.88

$107.37

Volume

833,012 shs

Average Volume

559,462 shs

Market Capitalization

$3.41 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.33

Who are the company insiders with the largest holdings of Arcellx?: Arcellx's top insider investors include:
Jill Carroll (Director)
Sr One Capital Management, Llc (Major Shareholder)
Rami Elghandour (Insider)
Christopher Heery (Insider)
Michelle Gilson (CFO)
Kavita Patel (Director)
Olivia C Ware (Director)
Learn More about top insider investors at Arcellx.
Who are the major institutional investors of Arcellx?: Arcellx's top institutional shareholders include:
Rhumbline Advisers — 0.12%
GAMMA Investing LLC — 0.06%
Congress Asset Management Co. — 0.05%
Harbor Capital Advisors Inc. — 0.04%
Exchange Traded Concepts LLC — 0.00%
Avanza Fonder AB — 0.00%
Learn More about top institutional investors of Arcellx stock.
Which institutional investors are selling Arcellx stock?: During the previous quarter, ACLX stock was sold by these institutional investors:
Avanza Fonder AB
Harbor Capital Advisors Inc.
Exchange Traded Concepts LLC
Congress Asset Management Co.
Within the previous year, company insiders that have sold Arcellx company stock include:
Jill Carroll (Director)
Sr One Capital Management, Llc (Major Shareholder)
Rami Elghandour (Insider)
Christopher Heery (Insider)
Learn More investors selling Arcellx stock.
Which institutional investors are buying Arcellx stock?: Within the previous quarter, ACLX stock was acquired by institutional investors including:
GAMMA Investing LLC
Rhumbline Advisers
GAMMA Investing LLC