ACMR Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 33.96%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $3,023,614.52

ACM Research Insider Trading History Chart

ACM Research Share Price & Price History

^$12.08

▲ +0.03 (0.25%)

As of 02/6/2023 01:00 AM ET

Days: 30 | 90 | 365

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ACM Research Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
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
3/10/2022	Mark Mckechnie	Insider	Sell	5,000	$64.20	$321,000.00
3/9/2022	Haiping Dun	Director	Sell	12,269	$82.09	$1,007,162.21
11/18/2021	Mark Mckechnie	Insider	Sell	5,000	$94.05	$470,250.00
8/23/2021	Yinan Xiang	Director	Sell	35,136	$85.03	$2,987,614.08
8/19/2021	Mark Mckechnie	Insider	Sell	5,000	$82.08	$410,400.00	5,000
8/18/2021	Yinan Xiang	Director	Sell	26,612	$85.12	$2,265,213.44
8/13/2021	Yinan Xiang	Director	Sell	3,623	$85.10	$308,317.30
8/11/2021	Yinan Xiang	Director	Sell	30,000	$86.11	$2,583,300.00
4/8/2021	Sotheara Cheav	Insider	Sell	5,000	$88.66	$443,300.00	61,445
3/18/2021	David H. Wang	Insider	Sell	50,000	$91.92	$4,596,000.00	217,234
3/16/2021	Sotheara Cheav	Insider	Sell	10,000	$93.69	$936,900.00	53,334
3/12/2021	Mark Mckechnie	Insider	Sell	10,028	$87.89	$881,360.92	10,028
2/12/2021	Fuping Chen	Insider	Sell	30,000	$120.00	$3,600,000.00	30,000
2/12/2021	Tracy Liu	Director	Sell	2,000	$120.00	$240,000.00	36,924
2/9/2021	Tracy Liu	Director	Sell	400	$110.00	$44,000.00	40,524
1/6/2021	Tracy Liu	Director	Sell	2,000	$100.00	$200,000.00	40,924
12/30/2020	Jian Wang	Insider	Sell	32,486	$78.00	$2,533,908.00	84,386
12/17/2020	Yinan Xiang	Director	Sell	3,214	$75.02	$241,114.28
12/15/2020	Yinan Xiang	Director	Sell	30,821	$75.56	$2,328,834.76
12/4/2020	David H. Wang	Major Shareholder	Sell	98,983	$79.83	$7,901,812.89	250,323
11/19/2020	Mark Mckechnie	Insider	Sell	7,500	$74.45	$558,375.00
11/12/2020	Sotheara Cheav	Insider	Sell	10,000	$88.63	$886,300.00	53,004
9/16/2020	Lisa Feng	Insider	Sell	15,000	$72.30	$1,084,500.00	25,760
9/14/2020	Sotheara Cheav	Insider	Sell	4,941	$66.70	$329,564.70	48,334
9/10/2020	Sotheara Cheav	Insider	Sell	5,000	$60.75	$303,750.00	48,334
9/4/2020	David H. Wang	Major Shareholder	Sell	69,453	$81.36	$5,650,696.08	217,459
8/27/2020	Mark Mckechnie	Insider	Sell	4,585	$93.18	$427,230.30	4,585
8/3/2020	Chenming Hu	Director	Sell	7,806	$100.00	$780,600.00
7/13/2020	Chenming Hu	Director	Sell	14,000	$84.15	$1,178,100.00	7,806
6/15/2020	Mark Mckechnie	Insider	Sell	5,415	$54.34	$294,251.10	5,415
6/3/2020	Chenming Hu	Director	Sell	8,194	$65.12	$533,593.28	21,806

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

64.18% 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
2/2/2023	SG Americas Securities LLC	15,673	$0.12M	0.0%	-17.6%	0.029%
2/1/2023	Janney Montgomery Scott LLC	101,637	$0.78M	0.0%	+124.0%	0.187%
1/20/2023	Ariose Capital Management Ltd	273,841	$2.11M	0.9%	N/A	0.504%
12/8/2022	Bank of New York Mellon Corp	168,453	$2.10M	0.0%	+18.8%	0.310%
11/16/2022	Balyasny Asset Management LLC	26,744	$0.33M	0.0%	-26.9%	0.049%
11/16/2022	BNP Paribas Arbitrage SNC	208,104	$2.59M	0.0%	+256.6%	0.383%
11/15/2022	Nomura Holdings Inc.	158,501	$1.99M	0.0%	+3.9%	0.292%
11/15/2022	Alliancebernstein L.P.	50,673	$0.63M	0.0%	+3.5%	0.093%
11/15/2022	State Street Corp	962,210	$11.99M	0.0%	+8.8%	1.770%
11/15/2022	Algert Global LLC	25,700	$0.32M	0.0%	N/A	0.047%
11/15/2022	UBS Asset Management Americas Inc.	33,216	$0.41M	0.0%	+15.4%	0.061%
11/15/2022	Vanguard Group Inc.	2,421,765	$30.18M	0.0%	+11.1%	4.454%
11/15/2022	Price T Rowe Associates Inc. MD	25,118	$0.31M	0.0%	+12.8%	0.046%
11/15/2022	Putnam Investments LLC	341,042	$4.25M	0.0%	-44.2%	0.627%
11/15/2022	First Trust Advisors LP	62,605	$0.78M	0.0%	+87.2%	0.115%
11/15/2022	Bank of New York Mellon Corp	168,453	$2.10M	0.0%	+18.8%	0.310%
11/15/2022	BlackRock Inc.	3,145,237	$39.19M	0.0%	+1.5%	5.785%
11/15/2022	Capital Fund Management S.A.	28,570	$0.36M	0.0%	-29.3%	0.053%
11/14/2022	AlphaCrest Capital Management LLC	42,085	$0.52M	0.0%	N/A	0.077%
11/14/2022	Point72 Hong Kong Ltd	479,144	$5.97M	0.2%	N/A	0.881%
11/14/2022	Point72 Asset Management L.P.	117,600	$1.47M	0.0%	N/A	0.216%
11/14/2022	PDT Partners LLC	28,809	$0.36M	0.1%	N/A	0.053%
11/14/2022	NinePointTwo Capital LLC	22,952	$0.29M	0.1%	-17.3%	0.042%
11/14/2022	Nuveen Asset Management LLC	164,429	$2.05M	0.0%	-1.9%	0.302%
11/14/2022	Healthcare of Ontario Pension Plan Trust Fund	1,654,900	$20.62M	0.1%	+19.6%	3.044%
11/10/2022	Credit Suisse AG	63,204	$0.79M	0.0%	-60.9%	0.117%
11/10/2022	WINTON GROUP Ltd	27,792	$0.35M	0.0%	-12.1%	0.051%
11/10/2022	Dimensional Fund Advisors LP	11,667	$0.15M	0.0%	-94.7%	0.022%
11/10/2022	Tower Research Capital LLC TRC	21,384	$0.27M	0.0%	+1,093.3%	0.039%
11/10/2022	Korea Investment CORP	198,700	$2.48M	0.0%	-17.6%	0.367%
11/10/2022	UBS Group AG	507,667	$6.33M	0.0%	-47.9%	0.937%
11/10/2022	Mitsubishi UFJ Trust & Banking Corp	85,590	$1.07M	0.0%	-30.5%	0.158%
11/7/2022	Fox Run Management L.L.C.	17,476	$0.22M	0.1%	N/A	0.032%
11/4/2022	Matthews International Capital Management LLC	870,050	$10.84M	1.6%	-1.3%	1.606%
11/3/2022	Barclays PLC	94,960	$1.18M	0.0%	-4.2%	0.175%
11/2/2022	Rockefeller Capital Management L.P.	5,902	$73K	0.0%	N/A	0.011%
11/2/2022	Victory Capital Management Inc.	11,146	$0.14M	0.0%	N/A	0.021%
10/31/2022	SG Americas Securities LLC	19,026	$0.24M	0.0%	+23.7%	0.035%
10/25/2022	Janney Montgomery Scott LLC	45,378	$0.57M	0.0%	N/A	0.084%
10/25/2022	Versor Investments LP	20,400	$0.25M	0.0%	N/A	0.038%
10/25/2022	Raymond James & Associates	10,531	$0.13M	0.0%	-85.8%	0.019%
10/21/2022	China Universal Asset Management Co. Ltd.	127,450	$1.59M	0.7%	-3.8%	0.235%
8/22/2022	Legal & General Group Plc	18,435	$0.31M	0.0%	+39.1%	0.034%
8/18/2022	Goldman Sachs Group Inc.	2,053,683	$34.56M	0.0%	+363.6%	3.790%
8/16/2022	Yiheng Capital Management L.P.	5,266,800	$88.64M	5.1%	+10.6%	9.721%
8/16/2022	Price T Rowe Associates Inc. MD	22,276	$0.38M	0.0%	+45.6%	0.041%
8/15/2022	State Street Corp	884,041	$14.88M	0.0%	+200.2%	1.632%
8/15/2022	Indus Capital Partners LLC	1,719,133	$28.93M	16.9%	-11.9%	3.173%
8/15/2022	Alpha Paradigm Partners LLC	74,429	$1.25M	0.5%	N/A	0.137%
8/13/2022	American International Group Inc.	22,442	$0.38M	0.0%	N/A	0.042%
8/12/2022	Northern Trust Corp	449,504	$7.57M	0.0%	+249.2%	0.831%
8/12/2022	Credit Suisse AG	161,711	$2.72M	0.0%	-68.1%	0.298%
8/12/2022	Essex Investment Management Co. LLC	13,230	$0.22M	0.0%	N/A	0.024%
8/12/2022	Korea Investment CORP	241,200	$4.06M	0.0%	+33.6%	0.445%
8/12/2022	Green Court Capital Management Ltd	1,454,655	$24.48M	11.1%	-42.9%	2.685%
8/12/2022	BNP Paribas Arbitrage SA	58,366	$0.98M	0.0%	+10.7%	0.108%
8/12/2022	Rhumbline Advisers	65,273	$1.10M	0.0%	N/A	0.121%
8/11/2022	Deutsche Bank AG	71,680	$1.21M	0.0%	+3,564.6%	0.133%
8/11/2022	Healthcare of Ontario Pension Plan Trust Fund	1,383,400	$23.28M	0.1%	+34.6%	2.558%
8/11/2022	UBS Group AG	973,785	$16.39M	0.0%	+539.0%	1.801%
8/11/2022	JPMorgan Chase & Co.	487,345	$8.20M	0.0%	+4,498.0%	0.901%
8/10/2022	WINTON GROUP Ltd	31,606	$0.53M	0.0%	+25.0%	0.058%
8/9/2022	Mitsubishi UFJ Trust & Banking Corp	123,079	$2.07M	0.0%	+16.5%	0.228%
8/9/2022	Swiss National Bank	100,700	$1.70M	0.0%	+6.2%	0.186%
8/8/2022	Connectus Wealth LLC	45,000	$0.76M	0.0%	N/A	0.083%
7/29/2022	SG Americas Securities LLC	15,384	$0.26M	0.0%	N/A	0.028%
7/28/2022	Arizona State Retirement System	11,585	$0.20M	0.0%	+6.9%	0.021%
7/26/2022	Mirae Asset Global Investments Co. Ltd.	13,715	$0.23M	0.0%	N/A	0.025%
7/18/2022	Money Concepts Capital Corp	34,107	$0.53M	0.0%	+3.6%	0.063%
6/7/2022	Bank of America Corp DE	367,251	$7.60M	0.0%	+183.8%	0.679%
5/23/2022	Neuberger Berman Group LLC	429,984	$8.90M	0.0%	+1,914.5%	0.795%
5/18/2022	BNP Paribas Arbitrage SA	52,707	$1.09M	0.0%	+107.2%	0.097%
5/18/2022	Nomura Holdings Inc.	152,493	$3.17M	0.0%	+186.5%	0.282%
5/17/2022	Virtu Financial LLC	9,788	$0.20M	0.0%	N/A	0.018%
5/17/2022	QVT Financial LP	70,119	$1.45M	0.1%	+200.0%	0.130%
5/17/2022	Royal Bank of Canada	145,788	$3.02M	0.0%	+160.5%	0.270%
5/17/2022	Ensign Peak Advisors Inc	5,910	$0.12M	0.0%	+200.0%	0.011%
5/17/2022	Hhlr Advisors LTD.	670,755	$13.88M	0.3%	+200.0%	1.240%
5/16/2022	California State Teachers Retirement System	34,093	$0.71M	0.0%	+204.4%	0.063%
5/16/2022	Goldman Sachs Group Inc.	442,981	$9.17M	0.0%	+106.7%	0.819%
5/16/2022	Oasis Management Co Ltd.	70,695	$1.46M	0.2%	N/A	0.131%
5/16/2022	State Street Corp	294,514	$6.09M	0.0%	+191.9%	0.545%
5/16/2022	Graham Capital Management L.P.	37,251	$0.77M	0.0%	N/A	0.069%
5/16/2022	UBS Group AG	152,398	$3.15M	0.0%	+31.4%	0.282%
5/13/2022	Renaissance Technologies LLC	95,800	$1.98M	0.0%	+13.6%	0.177%
5/13/2022	Northern Trust Corp	128,730	$2.66M	0.0%	+199.1%	0.238%
5/13/2022	Charles Schwab Investment Management Inc.	183,237	$3.79M	0.0%	+206.3%	0.339%
5/13/2022	First Trust Advisors LP	28,854	$0.60M	0.0%	-27.8%	0.053%
5/13/2022	XTX Topco Ltd	11,637	$0.24M	0.1%	N/A	0.022%
5/13/2022	Chiron Investment Management LLC	746,388	$15.44M	1.8%	N/A	1.380%
5/13/2022	Vanguard Group Inc.	1,988,544	$41.14M	0.0%	+211.7%	3.677%
5/13/2022	Dimensional Fund Advisors LP	466,689	$9.66M	0.0%	+180.7%	0.863%
5/12/2022	Strategic Vision Investment Ltd	290,100	$6M	12.7%	+303.5%	0.537%
5/12/2022	Friess Associates LLC	328,350	$6.79M	3.6%	+382.7%	0.608%
5/12/2022	Great West Life Assurance Co. Can	1,752	$39K	0.0%	+210.6%	0.003%
5/12/2022	BlackRock Inc.	693,370	$14.35M	0.0%	+194.7%	1.283%
5/12/2022	Healthcare of Ontario Pension Plan Trust Fund	1,028,100	$21.27M	0.1%	+909.9%	1.903%
5/12/2022	Capital Fund Management S.A.	47,425	$0.98M	0.0%	N/A	0.088%
5/12/2022	Citigroup Inc.	7,203	$0.15M	0.0%	+69.9%	0.013%
5/12/2022	Mitsubishi UFJ Trust & Banking Corp	105,663	$2.19M	0.0%	+160.8%	0.196%

Data available starting January 2016

ACM Research, Inc. engages in the development, manufacture, and sale of single-wafer wet cleaning equipment. It supplies process solutions that semi conductor manufacturers can use in numerous manufacturing steps to remove particles, contaminants and other random defects, and thereby improve product yield. The company tools can be used in fabricating foundry, logic and memory chips including dynamic random-access memory, or DRAM, and 3D NAND-flash memory chips. The company was founded by David H. Wang and Hui Wang in January 1998 and is headquartered in Fremont, CA.

Today's Range

Now: $12.08

$11.65

$12.21

50 Day Range

MA: $9.76

$7.08

$12.54

52 Week Range

Now: $12.08

$5.46

$29.50

Volume

626,736 shs

Average Volume

1,026,618 shs

Market Capitalization

$656.79 million

P/E Ratio

18.78

Dividend Yield

N/A

Beta

0.88

Who are the company insiders with the largest holdings of ACM Research?: ACM Research's top insider shareholders include:
Haiping Dun (Director)
David H Wang (Insider)
Sotheara Cheav (Insider)
Tracy Liu (Director)
Fuping Chen (Insider)
Mark Mckechnie (Insider)
Yinan Xiang (Director)
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:
Ariose Capital Management Ltd — 0.50%
Janney Montgomery Scott LLC — 0.19%
SG Americas Securities LLC — 0.03%
Simplex Trading LLC — 0.00%
Concourse Financial Group Securities Inc. — 0.00%
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
Within the previous year, company insiders that have sold ACM Research company stock include:
Haiping Dun (Director)
David H Wang (Insider)
Sotheara Cheav (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:
Ariose Capital Management Ltd
Janney Montgomery Scott LLC
Simplex Trading LLC