Wellington Management Group LLP Acm Research, Inc. Transaction History

Wellington Management Group LLP

8 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2021 Feb 11, 2022	SELL	$23.45 - $39.23 $605,736 - $1.01 Million	-25,831 Closed	0 $0
Q3 2021 Nov 15, 2021	SELL	$25.07 - $36.67 $8.94 Million - $13.1 Million	-356,451 Reduced 93.24%	25,831 $2.84 Million
Q2 2021 Aug 16, 2021	SELL	$21.41 - $35.58 $5.46 Million - $9.07 Million	-255,054 Reduced 40.02%	382,282 $39.1 Million
Q1 2021 May 17, 2021	BUY	$26.1 - $46.66 $10.7 Million - $19.2 Million	410,773 Added 181.31%	637,336 $51.5 Million
Q4 2020 Feb 12, 2021	BUY	$22.31 - $31.33 $212,056 - $297,791	9,505 Added 4.38%	226,563 $18.4 Million
Q3 2020 Nov 16, 2020	SELL	$19.66 - $37.43 $3.96 Million - $7.54 Million	-201,531 Reduced 48.15%	217,058 $15 Million
Q2 2020 Aug 14, 2020	BUY	$9.07 - $21.9 $3.64 Million - $8.8 Million	401,792 Added 2392.05%	418,589 $26.1 Million
Q1 2020 May 14, 2020	BUY	$5.75 - $16.18 $96,582 - $271,775	16,797 New	16,797 $497,000

221

33.6M

866K

937K

Ticker ACMR
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 54,181,200
Market Cap $1.1B
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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