ACMR Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 31.24%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $40,594,215.61

ACM Research Insider Trading History Chart

ACM Research Share Price & Price History

^$18.52

▼ -2.28 (-10.96%)

As of 04/29/2025 05:00 PM ET

Days: 30 | 90 | 365

ACM Research Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/17/2025	Chenming Hu	Director	Sell	163,308	$30.00	$4,899,240.00	100,002
3/14/2025	Haiping Dun	Director	Sell	9,518	$29.00	$276,022.00	755,090
3/13/2025	David H. Wang	Insider	Sell	37,500	$27.30	$1,023,750.00	672,708
3/11/2025	David H. Wang	Insider	Sell	56,250	$26.57	$1,494,562.50	747,708
2/6/2025	Sotheara Cheav	Insider	Sell	22,598	$23.00	$519,754.00	100,002
11/26/2024	David H. Wang	Insider	Sell	56,250	$17.89	$1,006,312.50	654,256
11/22/2024	David H. Wang	Insider	Sell	56,250	$19.08	$1,073,250.00	710,506
11/22/2024	Haiping Dun	Director	Sell	15,000	$19.12	$286,800.00	774,148
10/8/2024	Xiao Xing	Director	Sell	90,396	$21.13	$1,910,067.48	2,338,510
10/7/2024	Science & Technology Shanghai	Major Shareholder	Sell	275,000	$24.07	$6,619,250.00	2,428,906
10/4/2024	Mark Mckechnie	Insider	Sell	16,516	$22.00	$363,352.00	900
10/4/2024	Xiao Xing	Director	Sell	700,000	$21.41	$14,987,000.00	2,703,906
10/2/2024	Science & Technology Shanghai	Major Shareholder	Sell	26,300	$20.01	$526,263.00	3,403,906
10/1/2024	Xiao Xing	Director	Sell	8,304	$20.19	$167,657.76	3,430,206
6/7/2024	Jian Wang	Insider	Sell	30,000	$22.07	$662,100.00	253,158
5/29/2024	David H. Wang	Insider	Sell	86,090	$22.62	$1,947,355.80	504,018
5/29/2024	Haiping Dun	Director	Sell	19,239	$22.63	$435,378.57	855,090
5/22/2024	David H. Wang	Insider	Sell	90,000	$22.81	$2,052,900.00	590,108
5/22/2024	Haiping Dun	Director	Sell	15,000	$22.88	$343,200.00	874,329
3/14/2024	Haiping Dun	Director	Sell	19,434	$27.70	$538,321.80	855,090
3/13/2024	Sotheara Cheav	Insider	Sell	5,000	$29.09	$145,450.00	105,002
3/8/2024	David H. Wang	Insider	Sell	90,000	$30.36	$2,732,400.00	591,107
3/8/2024	Haiping Dun	Director	Sell	15,000	$30.36	$455,400.00	874,524
2/28/2024	Lisa Feng	Insider	Sell	7,500	$25.20	$189,000.00	50,001
2/28/2024	Tracy Liu	Director	Sell	12,500	$25.20	$315,000.00	110,772
1/12/2024	Mark Mckechnie	Insider	Sell	10,000	$22.00	$220,000.00	900
12/26/2023	Lisa Feng	Insider	Sell	7,500	$20.00	$150,000.00	50,001
12/26/2023	Tracy Liu	Director	Sell	10,000	$20.00	$200,000.00	110,772
11/22/2023	David H. Wang	Insider	Sell	90,000	$17.68	$1,591,200.00	588,794
11/22/2023	Haiping Dun	Director	Sell	15,000	$17.66	$264,900.00	874,074
10/11/2023	Mark Mckechnie	Insider	Sell	11,250	$20.00	$225,000.00	900
9/12/2023	David H. Wang	Insider	Sell	90,000	$18.06	$1,625,400.00	589,134
9/1/2023	Mark Mckechnie	Insider	Sell	30,000	$18.00	$540,000.00	900
8/23/2023	Fuping Chen	insider	Sell	105,000	$15.00	$1,575,000.00
8/22/2023	Haiping Dun	Director	Sell	32,098	$13.85	$444,557.30	855,090
7/3/2023	Lisa Feng	Insider	Sell	22,500	$15.00	$337,500.00	50,001
6/6/2023	Sotheara Cheav	Insider	Sell	39,000	$10.00	$390,000.00	110,002
6/1/2023	Haiping Dun	Director	Sell	37,500	$10.00	$375,000.00	887,188
3/16/2023	Haiping Dun	Director	Sell	37,500	$12.06	$452,250.00	889,116
3/9/2023	Lisa Feng	Insider	Sell	22,500	$12.37	$278,325.00	50,001
11/30/2022	Haiping Dun	Director	Sell	35,327	$8.43	$297,806.61	890,620
8/22/2022	Haiping Dun	Director	Sell	36,537	$16.10	$588,245.70	855,090
8/17/2022	Sotheara Cheav	Insider	Sell	15,000	$17.81	$267,150.00	120,002
5/27/2022	Haiping Dun	Director	Sell	36,150	$15.00	$542,250.00	855,090

See Full Table

SEC Filings (Institutional Ownership Changes) for ACM Research (NASDAQ:ACMR)

66.75% of ACM Research 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

ACM Research Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/28/2025	Teacher Retirement System of Texas	26,624	$0.62M	0.0%	-52.7%	0.046%
4/28/2025	Vontobel Holding Ltd.	20,060	$0.47M	0.0%	N/A	0.035%
4/25/2025	Kendall Capital Management	45,240	$1.06M	0.3%	+1.4%	0.078%
4/25/2025	KBC Group NV	1,228	$29K	0.0%	N/A	0.002%
4/24/2025	Allspring Global Investments Holdings LLC	33,889	$0.81M	0.0%	+48.2%	0.058%
4/24/2025	Mirae Asset Global Investments Co. Ltd.	5,301	$0.13M	0.0%	+147.6%	0.009%
4/22/2025	Illumine Investment Management LLC	31,262	$0.73M	0.6%	+3.0%	0.054%
4/21/2025	Blue Trust Inc.	5,272	$0.12M	0.0%	N/A	0.009%
4/21/2025	Matthews International Capital Management LLC	248,226	$5.79M	1.2%	-5.4%	0.427%
4/17/2025	Janney Montgomery Scott LLC	26,390	$0.62M	0.0%	-62.6%	0.045%
4/16/2025	Palouse Capital Management Inc.	5,115	$0.12M	0.1%	+76.0%	0.009%
4/16/2025	Hennessy Advisors Inc.	8,602	$0.20M	0.0%	N/A	0.015%
4/16/2025	New England Research & Management Inc.	9,550	$0.22M	0.1%	N/A	0.016%
4/16/2025	NorthCrest Asset Manangement LLC	34,037	$0.79M	0.0%	+1.9%	0.059%
4/15/2025	SG Americas Securities LLC	13,433	$0.31M	0.0%	-96.5%	0.023%
4/8/2025	Rhumbline Advisers	76,416	$1.78M	0.0%	+3.6%	0.132%
4/7/2025	GAMMA Investing LLC	19,092	$0.45M	0.0%	+4,309.2%	0.033%
3/18/2025	California State Teachers Retirement System	48,316	$0.73M	0.0%	+5.1%	0.083%
3/17/2025	NorthCrest Asset Manangement LLC	33,390	$0.50M	0.0%	-1.2%	0.057%
3/3/2025	Cim LLC	17,149	$0.26M	0.0%	+2.8%	0.030%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1,174,720	$17.74M	0.0%	+1,418.5%	2.039%
2/17/2025	Voloridge Investment Management LLC	88,467	$1.34M	0.0%	-88.1%	0.154%
2/17/2025	Squarepoint Ops LLC	125,002	$1.89M	0.0%	+33.7%	0.217%
2/17/2025	Triata Capital Ltd	1,026,967	$15.51M	6.4%	N/A	1.783%
2/17/2025	Steamboat Capital Partners LLC	748,925	$11.31M	3.5%	-23.5%	1.300%
2/17/2025	Sherbrooke Park Advisers LLC	14,122	$0.21M	0.1%	+10.7%	0.025%
2/17/2025	Raiffeisen Bank International AG	700,000	$10.55M	0.2%	N/A	1.215%
2/17/2025	ProShare Advisors LLC	21,516	$0.33M	0.0%	+45.8%	0.037%
2/17/2025	Man Group plc	24,505	$0.37M	0.0%	N/A	0.043%
2/17/2025	Nuveen Asset Management LLC	130,136	$1.97M	0.0%	-67.9%	0.226%
2/17/2025	Oasis Management Co Ltd.	373,709	$5.64M	1.3%	+29.8%	0.649%
2/17/2025	Millennium Management LLC	25,983	$0.39M	0.0%	-94.8%	0.045%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	28,996	$0.44M	0.0%	+3.8%	0.050%
2/17/2025	Janus Henderson Group PLC	152,005	$2.30M	0.0%	+29.8%	0.264%
2/17/2025	Deutsche Bank AG	282,915	$4.27M	0.0%	+22.9%	0.491%
2/17/2025	Corton Capital Inc.	17,361	$0.26M	0.2%	-23.8%	0.030%
2/17/2025	Brevan Howard Capital Management LP	10,906	$0.17M	0.0%	N/A	0.019%
2/17/2025	Bridgefront Capital LLC	12,643	$0.19M	0.1%	N/A	0.022%
2/17/2025	Bank of America Corp DE	75,151	$1.14M	0.0%	-32.4%	0.130%
2/17/2025	Ameriprise Financial Inc.	187,601	$2.83M	0.0%	-8.4%	0.326%
2/17/2025	Algert Global LLC	122,464	$1.85M	0.0%	-31.2%	0.213%
2/14/2025	PDT Partners LLC	108,030	$1.63M	0.1%	N/A	0.188%
2/14/2025	Schonfeld Strategic Advisors LLC	36,701	$0.55M	0.0%	+70.6%	0.064%
2/14/2025	AQR Capital Management LLC	358,250	$5.41M	0.0%	+39.4%	0.622%
2/14/2025	Northern Trust Corp	534,243	$8.07M	0.0%	+9.9%	0.927%
2/14/2025	The Manufacturers Life Insurance Company	18,392	$0.28M	0.0%	-3.4%	0.032%
2/14/2025	Oberweis Asset Management Inc.	485,200	$7.33M	0.3%	+16.5%	0.842%
2/14/2025	Voya Investment Management LLC	15,298	$0.23M	0.0%	-7.8%	0.027%
2/14/2025	Kerrisdale Advisers LLC	1,948,003	$29.42M	9.9%	+550.8%	3.381%
2/14/2025	Price T Rowe Associates Inc. MD	36,267	$0.55M	0.0%	+9.1%	0.063%
2/14/2025	Hsbc Holdings PLC	17,383	$0.26M	0.0%	-23.8%	0.030%
2/14/2025	Tower Research Capital LLC TRC	2,018	$30K	0.0%	+506.0%	0.004%
2/14/2025	MetLife Investment Management LLC	31,045	$0.47M	0.0%	+7.3%	0.054%
2/13/2025	Osterweis Capital Management Inc.	235,491	$3.56M	0.2%	-17.4%	0.409%
2/13/2025	Dodge & Cox	53,592	$0.81M	0.0%	+24.6%	0.093%
2/13/2025	Guggenheim Capital LLC	21,981	$0.33M	0.0%	N/A	0.038%
2/13/2025	Mariner LLC	24,239	$0.37M	0.0%	+50.8%	0.042%
2/13/2025	Barclays PLC	120,104	$1.81M	0.0%	-12.7%	0.208%
2/13/2025	Raymond James Financial Inc.	85,722	$1.29M	0.0%	N/A	0.149%
2/13/2025	Capula Management Ltd	14,441	$0.22M	0.0%	-70.1%	0.025%
2/13/2025	Legal & General Group Plc	55,787	$0.84M	0.0%	+11.4%	0.097%
2/13/2025	Invesco Ltd.	1,132,953	$17.11M	0.0%	-4.5%	1.967%
2/13/2025	Federated Hermes Inc.	8,270	$0.13M	0.0%	+42.0%	0.014%
2/13/2025	Aristides Capital LLC	13,500	$0.20M	0.0%	N/A	0.023%
2/13/2025	Russell Investments Group Ltd.	29,133	$0.44M	0.0%	-88.3%	0.051%
2/13/2025	Wells Fargo & Company MN	33,891	$0.51M	0.0%	-28.4%	0.059%
2/13/2025	Resona Asset Management Co. Ltd.	18,069	$0.27M	0.0%	N/A	0.031%
2/13/2025	Pinpoint Asset Management Ltd	107,046	$1.62M	0.3%	-12.8%	0.186%
2/12/2025	Cynosure Group LLC	19,382	$0.29M	0.0%	-7.7%	0.034%
2/12/2025	Trexquant Investment LP	572,870	$8.65M	0.1%	+110.4%	0.994%
2/12/2025	Geode Capital Management LLC	1,184,872	$17.90M	0.0%	+0.3%	2.057%
2/12/2025	Pertento Partners LLP	1,185,037	$17.89M	1.5%	+22.3%	2.057%
2/12/2025	Norges Bank	290,000	$4.38M	0.0%	N/A	0.503%
2/12/2025	JPMorgan Chase & Co.	23,474	$0.35M	0.0%	-82.5%	0.041%
2/12/2025	Mitsubishi UFJ Trust & Banking Corp	1,469,271	$22.17M	0.1%	+2,258.3%	2.550%
2/11/2025	Corebridge Financial Inc.	25,327	$0.38M	0.0%	-7.0%	0.044%
2/11/2025	Vanguard Group Inc.	4,201,403	$63.44M	0.0%	+1.6%	7.293%
2/11/2025	LPL Financial LLC	233,247	$3.52M	0.0%	+9.3%	0.405%
2/11/2025	KLP Kapitalforvaltning AS	13,700	$0.21M	0.0%	N/A	0.024%
2/11/2025	American Century Companies Inc.	107,082	$1.62M	0.0%	-1.6%	0.186%
2/11/2025	Yiheng Capital Management L.P.	680,604	$10.28M	0.4%	+2.1%	1.181%
2/11/2025	Teacher Retirement System of Texas	56,330	$0.85M	0.0%	N/A	0.098%
2/11/2025	Intech Investment Management LLC	21,273	$0.32M	0.0%	+70.0%	0.037%
2/10/2025	Picton Mahoney Asset Management	3,104	$47K	0.0%	+66.2%	0.005%
2/10/2025	Swiss National Bank	101,700	$1.54M	0.0%	+7.5%	0.177%
2/7/2025	AlphaQuest LLC	21,331	$0.32M	0.0%	+9.5%	0.037%
2/7/2025	Kendall Capital Management	44,605	$0.67M	0.2%	+17.1%	0.077%
2/7/2025	Jackson Creek Investment Advisors LLC	65,864	$1M	0.3%	-3.0%	0.114%
2/6/2025	Raymond James Financial Inc.	85,722	$1.29M	0.0%	N/A	0.149%
2/6/2025	Arizona State Retirement System	14,964	$0.23M	0.0%	+7.3%	0.026%
2/6/2025	Charles Schwab Investment Management Inc.	408,683	$6.17M	0.0%	+0.7%	0.709%
2/6/2025	Steward Partners Investment Advisory LLC	1,900	$29K	0.0%	-67.8%	0.003%
2/5/2025	Illumine Investment Management LLC	30,339	$0.46M	0.4%	N/A	0.053%
2/5/2025	Central Asset Investments & Management Holdings HK Ltd	19,167	$0.29M	0.2%	N/A	0.033%
2/4/2025	Los Angeles Capital Management LLC	21,177	$0.32M	0.0%	-5.1%	0.037%
2/4/2025	Bank of New York Mellon Corp	209,909	$3.17M	0.0%	+11.1%	0.364%
2/4/2025	Panview Capital Ltd	1,374,699	$20.76M	4.4%	N/A	2.386%
2/4/2025	Yong Rong HK Asset Management Ltd	150,000	$2.27M	1.0%	N/A	0.260%
2/3/2025	Hussman Strategic Advisors Inc.	168,000	$2.54M	0.7%	-20.0%	0.292%
2/3/2025	Ieq Capital LLC	10,747	$0.16M	0.0%	N/A	0.019%

Data available starting January 2016

See Full Table

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillation technology for patterned wafer surfaces at advanced process nodes, which provides cleaning for 2D and 3D patterned wafers; Tahoe technology for delivering cleaning performance using less sulfuric acid and hydrogen peroxide; and electro-chemical plating technology for advanced metal plating. The company markets and sells its products under the SAPS, TEBO, ULTRA C, ULTRA Fn, Ultra ECP, Ultra ECP map, and Ultra ECP ap trademarks through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.

Today's Range

Now: $18.52

$17.32

$19.75

50 Day Range

MA: $23.82

$18.33

$29.98

52 Week Range

Now: $18.52

$13.87

$30.64

Volume

4,042,066 shs

Average Volume

1,474,866 shs

Market Capitalization

$1.08 billion

P/E Ratio

14.03

Dividend Yield

N/A

Beta

1.65

Who are the company insiders with the largest holdings of ACM Research?: ACM Research's top insider shareholders include:
Xiao Xing (Director)
Science & Technology Shanghai (Major Shareholder)
Haiping Dun (Director)
David H Wang (Insider)
Jian Wang (Insider)
Tracy Liu (Director)
Sotheara Cheav (Insider)
Chenming Hu (Director)
Lisa Feng (Insider)
Mark Mckechnie (Insider)
Fuping Chen (Insider)
Learn More about top insider investors at ACM Research.
Who are the major institutional investors of ACM Research?: ACM Research's top institutional investors include:
Matthews International Capital Management LLC — 0.43%
IMC Chicago LLC — 0.00%
Rhumbline Advisers — 0.13%
Kendall Capital Management — 0.08%
NorthCrest Asset Manangement LLC — 0.06%
Allspring Global Investments Holdings LLC — 0.06%
Learn More about top institutional investors of ACM Research stock.
Which institutional investors are selling ACM Research stock?: Within the last quarter, ACMR stock was sold by these institutional investors:
SG Americas Securities LLC
Janney Montgomery Scott LLC
Teacher Retirement System of Texas
IMC Chicago LLC
Matthews International Capital Management LLC
Within the previous year, company insiders that have sold ACM Research company stock include:
Xiao Xing (Director)
Science & Technology Shanghai (Major Shareholder)
Haiping Dun (Director)
David H Wang (Insider)
Jian Wang (Insider)
Tracy Liu (Director)
Sotheara Cheav (Insider)
Chenming Hu (Director)
Learn More investors selling ACM Research stock.
Which institutional investors are buying ACM Research stock?: In the last quarter, ACMR stock was acquired by institutional investors including:
Vontobel Holding Ltd.
GAMMA Investing LLC
Allspring Global Investments Holdings LLC
New England Research & Management Inc.
Hennessy Advisors Inc.
Blue Trust Inc.
Mirae Asset Global Investments Co. Ltd.
Rhumbline Advisers