ACM Research, based in Fremont, California, specializes in single-wafer wet cleaning equipment and advanced packaging tools, employing 1,590 staff since its IPO on November 3, 2017. The company utilizes SAPS and TEBO technologies for fabricating various semiconductor chips.
David H Wang sold 60,000 shares of ACMR on 22 May at $22.63 per share, worth a total of $1.4M. They now own 672,708 ACMR shares, or a 8% holding decrease.
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