ACMR Insider Trading

Insider Ownership Percentage: 31.24%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $12,314,129.10

ACM Research Insider Trading History Chart

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

Skip ChartChart Data in Insider Trading History Table

ACM Research Share Price & Price History

Current Price: $22.28
Price Change: Price Decrease of -0.35 (-1.55%)
As of 05/23/2024 01:00 AM ET

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

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

ACM Research Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/14/2024Haiping DunDirectorSell19,434$27.70$538,321.80855,090View SEC Filing Icon  
3/13/2024Sotheara CheavInsiderSell5,000$29.09$145,450.00105,002View SEC Filing Icon  
3/8/2024David H. WangInsiderSell90,000$30.36$2,732,400.00591,107View SEC Filing Icon  
3/8/2024Haiping DunDirectorSell15,000$30.36$455,400.00874,524View SEC Filing Icon  
2/28/2024Lisa FengInsiderSell7,500$25.20$189,000.0050,001View SEC Filing Icon  
2/28/2024Tracy LiuDirectorSell12,500$25.20$315,000.00110,772View SEC Filing Icon  
1/12/2024Mark MckechnieInsiderSell10,000$22.00$220,000.00900View SEC Filing Icon  
12/26/2023Lisa FengInsiderSell7,500$20.00$150,000.0050,001View SEC Filing Icon  
12/26/2023Tracy LiuDirectorSell10,000$20.00$200,000.00110,772View SEC Filing Icon  
11/22/2023David H. WangInsiderSell90,000$17.68$1,591,200.00588,794View SEC Filing Icon  
11/22/2023Haiping DunDirectorSell15,000$17.66$264,900.00874,074View SEC Filing Icon  
10/11/2023Mark MckechnieInsiderSell11,250$20.00$225,000.00900View SEC Filing Icon  
9/12/2023David H. WangInsiderSell90,000$18.06$1,625,400.00589,134View SEC Filing Icon  
9/1/2023Mark MckechnieInsiderSell30,000$18.00$540,000.00900View SEC Filing Icon  
8/23/2023Fuping CheninsiderSell105,000$15.00$1,575,000.00View SEC Filing Icon  
8/22/2023Haiping DunDirectorSell32,098$13.85$444,557.30855,090View SEC Filing Icon  
7/3/2023Lisa FengInsiderSell22,500$15.00$337,500.0050,001View SEC Filing Icon  
6/6/2023Sotheara CheavInsiderSell39,000$10.00$390,000.00110,002View SEC Filing Icon  
6/1/2023Haiping DunDirectorSell37,500$10.00$375,000.00887,188View SEC Filing Icon  
3/16/2023Haiping DunDirectorSell37,500$12.06$452,250.00889,116View SEC Filing Icon  
3/9/2023Lisa FengInsiderSell22,500$12.37$278,325.0050,001View SEC Filing Icon  
11/30/2022Haiping DunDirectorSell35,327$8.43$297,806.61890,620View SEC Filing Icon  
8/22/2022Haiping DunDirectorSell36,537$16.10$588,245.70855,090View SEC Filing Icon  
8/17/2022Sotheara CheavInsiderSell15,000$17.81$267,150.00120,002View SEC Filing Icon  
5/27/2022Haiping DunDirectorSell36,150$15.00$542,250.00855,090View SEC Filing Icon  
3/10/2022Mark MckechnieInsiderSell5,000$64.20$321,000.00View SEC Filing Icon  
3/9/2022Haiping DunDirectorSell12,269$82.09$1,007,162.21View SEC Filing Icon  
11/18/2021Mark MckechnieInsiderSell5,000$94.05$470,250.00View SEC Filing Icon  
8/23/2021Yinan XiangDirectorSell35,136$85.03$2,987,614.08View SEC Filing Icon  
8/19/2021Mark MckechnieInsiderSell5,000$82.08$410,400.005,000View SEC Filing Icon  
8/18/2021Yinan XiangDirectorSell26,612$85.12$2,265,213.44View SEC Filing Icon  
8/13/2021Yinan XiangDirectorSell3,623$85.10$308,317.30View SEC Filing Icon  
8/11/2021Yinan XiangDirectorSell30,000$86.11$2,583,300.00View SEC Filing Icon  
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

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

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

ACM Research Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/20/2024Virtu Financial LLC18,397$0.54M0.0%N/A0.032%Search for SEC Filing on Google Icon
5/20/2024Cim LLC15,462$0.45M0.1%N/A0.027%Search for SEC Filing on Google Icon
5/17/2024Comerica Bank39,474$1.15M0.0%N/A0.069%Search for SEC Filing on Google Icon
5/16/2024California State Teachers Retirement System45,139$1.32M0.0%-4.8%0.079%Search for SEC Filing on Google Icon
5/16/2024Janus Henderson Group PLC127,519$3.72M0.0%+6.4%0.224%Search for SEC Filing on Google Icon
5/16/2024Bayesian Capital Management LP13,149$0.38M0.0%N/A0.023%Search for SEC Filing on Google Icon
5/15/2024Yiheng Capital Management L.P.481,291$14.03M0.8%-6.1%0.845%Search for SEC Filing on Google Icon
5/15/2024Price T Rowe Associates Inc. MD28,353$0.83M0.0%-3.6%0.050%Search for SEC Filing on Google Icon
5/15/2024Lazard Asset Management LLC3,218$93K0.0%+1,197.6%0.006%Search for SEC Filing on Google Icon
5/15/2024Quadrature Capital Ltd41,436$1.21M0.0%N/A0.073%Search for SEC Filing on Google Icon
5/14/2024EntryPoint Capital LLC2,964$86K0.1%-74.4%0.005%Search for SEC Filing on Google Icon
5/13/2024Seven Eight Capital LP10,415$0.30M0.0%-8.9%0.018%Search for SEC Filing on Google Icon
5/11/2024Cynosure Group LLC11,396$0.33M0.1%N/A0.020%Search for SEC Filing on Google Icon
5/11/2024Mark Sheptoff Financial Planning LLC7,600$0.22M0.1%N/A0.013%Search for SEC Filing on Google Icon
5/10/2024Vanguard Group Inc.3,983,666$116.08M0.0%-1.8%6.990%Search for SEC Filing on Google Icon
5/10/2024Mitsubishi UFJ Trust & Banking Corp91,686$2.78M0.0%-39.3%0.161%Search for SEC Filing on Google Icon
5/10/2024M&G Plc255,606$7.41M0.0%N/A0.449%Search for SEC Filing on Google Icon
5/8/2024Entropy Technologies LP22,316$0.65M0.1%+79.2%0.039%Search for SEC Filing on Google Icon
5/8/2024ProShare Advisors LLC12,908$0.38M0.0%+16.7%0.023%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.300,635$8.76M0.0%+4.4%0.528%Search for SEC Filing on Google Icon
5/8/2024Headlands Technologies LLC14,458$0.42M0.1%+325.7%0.025%Search for SEC Filing on Google Icon
5/7/2024Sei Investments Co.20,378$0.59M0.0%-3.6%0.036%Search for SEC Filing on Google Icon
5/7/2024Swiss National Bank87,800$2.56M0.0%+1.2%0.154%Search for SEC Filing on Google Icon
5/7/2024Steamboat Capital Partners LLC700,000$20.40M7.0%N/A1.228%Search for SEC Filing on Google Icon
5/7/2024ClariVest Asset Management LLC129,950$3.79M0.4%+91.6%0.228%Search for SEC Filing on Google Icon
5/7/2024Oppenheimer & Co. Inc.25,825$0.75M0.0%N/A0.045%Search for SEC Filing on Google Icon
5/7/2024SG Americas Securities LLC6,721$0.20M0.0%N/A0.012%Search for SEC Filing on Google Icon
5/6/2024Quantbot Technologies LP15,217$0.44M0.0%N/A0.027%Search for SEC Filing on Google Icon
5/4/2024Csenge Advisory Group21,859$0.64M0.0%-24.5%0.038%Search for SEC Filing on Google Icon
5/3/2024GSA Capital Partners LLP21,416$0.62M0.0%N/A0.038%Search for SEC Filing on Google Icon
5/2/2024Hussman Strategic Advisors Inc.157,500$4.59M1.1%+0.3%0.276%Search for SEC Filing on Google Icon
5/1/2024BNP Paribas Financial Markets60,531$1.76M0.0%+226.5%0.106%Search for SEC Filing on Google Icon
4/29/2024Principal Financial Group Inc.63,234$1.84M0.0%N/A0.113%Search for SEC Filing on Google Icon
4/24/2024Arlington Capital Management Inc.77,102$2.25M1.9%+13.0%0.138%Search for SEC Filing on Google Icon
4/23/2024Rice Hall James & Associates LLC67,760$1.98M0.1%-15.8%0.121%Search for SEC Filing on Google Icon
4/23/2024Raymond James Financial Services Advisors Inc.245,484$7.15M0.0%+544.6%0.438%Search for SEC Filing on Google Icon
4/22/2024Nilsine Partners LLC132,985$3.88M0.5%N/A0.237%Search for SEC Filing on Google Icon
4/19/2024FCG Investment Co41,905$1.22M1.0%+35.2%0.075%Search for SEC Filing on Google Icon
4/19/2024Trust Co. of Oklahoma23,575$0.69M0.2%N/A0.042%Search for SEC Filing on Google Icon
4/19/2024Denali Advisors LLC11,300$0.33M0.1%N/A0.020%Search for SEC Filing on Google Icon
4/18/2024Allspring Global Investments Holdings LLC374,069$10.90M0.0%-20.9%0.667%Search for SEC Filing on Google Icon
4/16/2024New England Research & Management Inc.12,904$0.38M0.2%-44.0%0.023%Search for SEC Filing on Google Icon
4/15/2024Matthews International Capital Management LLC364,344$10.62M2.1%-47.3%0.650%Search for SEC Filing on Google Icon
4/15/2024Counterpoint Mutual Funds LLC9,575$0.28M0.1%N/A0.017%Search for SEC Filing on Google Icon
4/12/2024Westend Capital Management LLC164,789$4.80M1.9%N/A0.294%Search for SEC Filing on Google Icon
4/5/2024Los Angeles Capital Management LLC29,242$0.85M0.0%N/A0.052%Search for SEC Filing on Google Icon
3/1/2024Transcendent Capital Group LLC7,431$0.15M0.1%N/A0.013%Search for SEC Filing on Google Icon
2/15/2024Osterweis Capital Management Inc.363,136$7.10M0.5%-35.5%0.653%Search for SEC Filing on Google Icon
2/15/2024Prelude Capital Management LLC442,190$8.64M0.6%N/A0.796%Search for SEC Filing on Google Icon
2/14/2024Point72 Hong Kong Ltd496,494$9.70M0.6%+16.5%0.893%Search for SEC Filing on Google Icon
2/9/2024Trexquant Investment LP18,543$0.36M0.0%+8.1%0.033%Search for SEC Filing on Google Icon
2/9/2024UBS Group AG560,250$10.95M0.0%+6.6%1.008%Search for SEC Filing on Google Icon
2/8/2024Pertento Partners LLP1,085,033$21.20M3.6%-9.2%1.952%Search for SEC Filing on Google Icon
2/7/2024Strategic Advocates LLC10,938$0.21M0.1%N/A0.020%Search for SEC Filing on Google Icon
2/7/2024BNP Paribas Financial Markets18,542$0.36M0.0%-78.5%0.033%Search for SEC Filing on Google Icon
2/7/2024Arlington Capital Management Inc.68,224$1.33M1.2%N/A0.123%Search for SEC Filing on Google Icon
2/6/2024Charles Schwab Investment Management Inc.376,629$7.36M0.0%+5.6%0.678%Search for SEC Filing on Google Icon
2/6/2024Swiss National Bank86,800$1.70M0.0%-10.0%0.156%Search for SEC Filing on Google Icon
2/6/2024Yong Rong HK Asset Management Ltd350,000$6.84M2.6%+133.3%0.630%Search for SEC Filing on Google Icon
2/5/2024Jackson Creek Investment Advisors LLC52,902$1.03M0.4%-28.1%0.095%Search for SEC Filing on Google Icon
2/5/2024Russell Investments Group Ltd.288,042$5.63M0.0%+40.8%0.518%Search for SEC Filing on Google Icon
2/2/2024Headlands Technologies LLC3,396$66K0.0%N/A0.006%Search for SEC Filing on Google Icon
2/2/2024Watershed Asset Management L.L.C.15,933$0.31M0.4%+11.0%0.029%Search for SEC Filing on Google Icon
2/2/2024Panview Asian Equity Master Fund1,057,753$20.67M13.8%+264.7%1.903%Search for SEC Filing on Google Icon
2/1/2024New York State Common Retirement Fund21,208$0.41M0.0%+36.1%0.038%Search for SEC Filing on Google Icon
2/1/2024Hussman Strategic Advisors Inc.157,000$3.07M0.7%N/A0.282%Search for SEC Filing on Google Icon
1/31/2024Calamos Advisors LLC80,134$1.57M0.0%+33.3%0.144%Search for SEC Filing on Google Icon
1/31/2024Federated Hermes Inc.1,875$37K0.0%-26.8%0.003%Search for SEC Filing on Google Icon
1/30/2024Zurcher Kantonalbank Zurich Cantonalbank10,568$0.21M0.0%-17.0%0.019%Search for SEC Filing on Google Icon
1/30/2024Strs Ohio12,200$0.24M0.0%-44.3%0.022%Search for SEC Filing on Google Icon
1/26/2024Quaero Capital S.A.130,514$2.55M2.6%+84.4%0.235%Search for SEC Filing on Google Icon
1/25/2024Allspring Global Investments Holdings LLC473,178$9.25M0.0%+65.2%0.851%Search for SEC Filing on Google Icon
1/24/2024Total Clarity Wealth Management Inc.43,606$0.85M0.3%-2.6%0.078%Search for SEC Filing on Google Icon
1/17/2024Matthews International Capital Management LLC690,857$13.50M1.9%-7.4%1.243%Search for SEC Filing on Google Icon
1/16/2024Raymond James Financial Services Advisors Inc.38,085$0.74M0.0%-2.1%0.069%Search for SEC Filing on Google Icon
1/16/2024Ariose Capital Management Ltd1,980,671$38.70M15.1%+163.8%3.563%Search for SEC Filing on Google Icon
12/18/2023Vanguard Group Inc.4,082,835$73.92M0.0%+10.9%7.345%Search for SEC Filing on Google Icon
12/6/2023Citigroup Inc.1,765,623$31.97M0.0%-0.7%3.176%Search for SEC Filing on Google Icon
11/16/2023Penserra Capital Management LLC179,733$3.25M0.1%N/A0.323%Search for SEC Filing on Google Icon
11/15/2023GSA Capital Partners LLP55,204$1M0.1%-43.1%0.099%Search for SEC Filing on Google Icon
11/15/2023Seven Eight Capital LP38,939$0.71M0.1%N/A0.070%Search for SEC Filing on Google Icon
11/15/2023Alps Advisors Inc.18,190$0.33M0.0%N/A0.033%Search for SEC Filing on Google Icon
11/15/2023AQR Capital Management LLC287,689$5.21M0.0%-36.8%0.523%Search for SEC Filing on Google Icon
11/14/2023Trexquant Investment LP17,160$0.31M0.0%+7.5%0.031%Search for SEC Filing on Google Icon
11/13/2023Algert Global LLC117,097$2.12M0.1%-68.6%0.213%Search for SEC Filing on Google Icon
11/13/2023EAM Investors LLC147,188$2.67M0.5%N/A0.268%Search for SEC Filing on Google Icon
11/13/2023Federated Hermes Inc.2,560$46K0.0%N/A0.005%Search for SEC Filing on Google Icon
11/13/2023Fuller & Thaler Asset Management Inc.218,200$3.95M0.0%-4.0%0.397%Search for SEC Filing on Google Icon
11/13/2023Dark Forest Capital Management LP102,489$1.86M0.1%+611.0%0.186%Search for SEC Filing on Google Icon
11/13/2023Acadian Asset Management LLC163,103$2.95M0.0%-14.2%0.297%Search for SEC Filing on Google Icon
11/13/2023ClariVest Asset Management LLC66,200$1.20M0.1%N/A0.120%Search for SEC Filing on Google Icon
11/13/2023Pertento Partners LLP1,195,464$21.64M3.9%+3.4%2.174%Search for SEC Filing on Google Icon
11/13/2023Pacific Ridge Capital Partners LLC196,976$3.57M0.8%+60.8%0.358%Search for SEC Filing on Google Icon
11/13/2023DekaBank Deutsche Girozentrale3,800$68K0.0%N/A0.007%Search for SEC Filing on Google Icon
11/9/2023Deutsche Bank AG24,672$0.45M0.0%+14.3%0.045%Search for SEC Filing on Google Icon
11/9/2023Citigroup Inc.1,765,623$31.97M0.0%-0.7%3.210%Search for SEC Filing on Google Icon
11/9/2023UBS Group AG525,322$9.51M0.0%+3.9%0.955%Search for SEC Filing on Google Icon
11/9/2023Mitsubishi UFJ Trust & Banking Corp165,998$3.01M0.0%-21.8%0.302%Search for SEC Filing on Google Icon
11/8/2023State Board of Administration of Florida Retirement System27,916$0.51M0.0%+104.4%0.051%Search for SEC Filing on Google Icon
11/8/2023HighTower Advisors LLC61,159$1.09M0.0%N/A0.111%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
ACM Research logo
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.
Read More on ACM Research

Today's Range

Now: $22.28
Low: $22.17
High: $23.49

50 Day Range

MA: $27.44
Low: $22.63
High: $32.04

52 Week Range

Now: $22.28
Low: $9.18
High: $34.40

Volume

809,164 shs

Average Volume

1,572,696 shs

Market Capitalization

$1.27 billion

P/E Ratio

16.88

Dividend Yield

N/A

Beta

1.42

Who are the company insiders with the largest holdings of ACM Research?

ACM Research's top insider shareholders include:
  1. Haiping Dun (Director)
  2. David H Wang (Insider)
  3. Sotheara Cheav (Insider)
  4. Tracy Liu (Director)
  5. Lisa Feng (Insider)
  6. Mark Mckechnie (Insider)
  7. 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:
  1. Vanguard Group Inc. — 6.99%
  2. Steamboat Capital Partners LLC — 1.23%
  3. Yiheng Capital Management L.P. — 0.84%
  4. Allspring Global Investments Holdings LLC — 0.67%
  5. Matthews International Capital Management LLC — 0.65%
  6. Russell Investments Group Ltd. — 0.53%
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:
  1. Matthews International Capital Management LLC
  2. Allspring Global Investments Holdings LLC
  3. Vanguard Group Inc.
  4. Mitsubishi UFJ Trust & Banking Corp
  5. Yiheng Capital Management L.P.
  6. Rice Hall James & Associates LLC
  7. New England Research & Management Inc.
  8. EntryPoint Capital LLC
Within the previous year, company insiders that have sold ACM Research company stock include:
  1. Haiping Dun (Director)
  2. David H Wang (Insider)
  3. Sotheara Cheav (Insider)
  4. Tracy Liu (Director)
  5. Lisa Feng (Insider)
  6. Mark Mckechnie (Insider)
  7. Fuping Chen (Insider)
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:
  1. Steamboat Capital Partners LLC
  2. M&G Plc
  3. Raymond James Financial Services Advisors Inc.
  4. Jane Street Group LLC
  5. PEAK6 Investments LLC
  6. Westend Capital Management LLC
  7. Nilsine Partners LLC
  8. Principal Financial Group Inc.