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ACM Research Inc

For the period ended Dec 31, 2023. Filed Feb 28, 2024.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Feb 28, 2024

ACMR$49.75+11.5%Stored close · as of Nov 9, 2026

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Item 9B. Other Information

On December 13, 2023, Sotheara Cheav, Senior Vice President, Manufacturing of ACM Shanghai, adopted a Rule 10b5-1 trading arrangement, or the Cheav Plan, that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act. The Cheav Plan allows for the sale of up to 10,000 shares of Class A common stock, at specific market prices, commencing on the later of March 13, 2024 or the third business day following the disclosure of the Issuer’s financial results for the completed fiscal quarter in which the Cheav Plan was adopted, and continuing until (i) all such shares are sold, (ii) December 4, 2024, or (iii) such date that the Cheav Plan is otherwise terminated according to its terms, whichever comes first.

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