Parallax Volatility Advisers, L.P. Acm Research, Inc. Transaction History

Parallax Volatility Advisers, L.P.

6 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2022 May 16, 2022	SELL	$15.36 - $29.83 $76,800 - $149,150	-5,000 Closed	0 $0
Q4 2021 Feb 14, 2022	BUY	$23.45 - $39.23 $23 - $39	1 Added 0.02%	5,000 $426,000
Q3 2021 Nov 15, 2021	BUY	$25.07 - $36.67 $109,305 - $159,881	4,360 Added 682.32%	4,999 $550,000
Q1 2021 May 14, 2021	SELL	$26.1 - $46.66 $29,493 - $52,725	-1,130 Reduced 63.88%	639 $52,000
Q4 2020 Feb 16, 2021	SELL	$22.31 - $31.33 $729,537 - $1.02 Million	-32,700 Reduced 94.87%	1,769 $144,000

Q3 2020 Nov 13, 2020	BUY	$19.66 - $37.43 $677,660 - $1.29 Million	34,469 New	34,469 $2.38 Million

213

32.7M

832K

687K

Ticker ACMR
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 54,181,200
Market Cap $1.23B
Description
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...

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