ACM Research, Inc. 10-K

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities Information Regarding the Trading of Common Stock The Class A common stock has traded on NASDAQ Global Market under the symbol “ACMR” since November 3, 2017. The Class B common stock is not listed or traded on any stock exchange. Holders of Common Stock As of February 24, 2025, there were 58,107,893 shares of Class A common stock outstanding held of r ecord by 46 stockholders. The actual number of holders of Class A common stock is substantially greater and includes stockholders who are beneficial owners and whose shares are held of record by banks, brokers, and other financial institutions. As of February 24, 2025, there were 5,021,811 shares of Class B common stock held of record by 16 stockholders. We have never declared or paid cash dividends on our capital stock. We intend to retain all available funds and any future earnings to support the operation of and to finance the growth and development of our business and do not anticipate paying any cash dividends in the foreseeable future. Securities Authorized for Issuance Under Equity Compensation Plans The information required by this item will be set forth in the definitive proxy statement we will file in connection with our 2025 Annual Meeting of Stockholders and is incorporated by reference herein. Sales of Unregistered Securities During the three months ended December 31, 2024, ACM Research issued, pursuant to the exercise of stock options at a per share exercise price of $0.50 per s hare, an aggregate of 323,824 shares of Clas s A common stock that were not registered under the Securities Act of 1933. We believe the offer and sale of those shares were exempt from registration under the Securities Act of 1933 by virtue of Section 4(a)(2) thereof (or Regulation D promulgated thereunder) because they did not involve a public offering. The recipients of the shares acquired the securities for investment only and not with 51 Table of Contents a view to or for sale in connection with any distribution thereof, and appropriate legends were recorded with respect to the shares. The recipients of the shares were accredited investors under Rule 501 of Regulation D. Sale Date Exercised Shares (Net) November 5, 2024 27,028 November 14, 2024 34,058 November 14, 2024 262,738 Total 323,824 Performance Graph The following graph compares the total return of an investment of $100 in cash at the closing price of November 3, 2017, which is the date our common stock first began trading on Nasdaq, through December 31, 2024 for (1) our common stock, (2) the Russell 1000 index, and (3) the Nasdaq Composite Index. All values assume reinvestment of all dividends. Stockholder returns over the indicated period are based on historical data and are not necessarily indicative of future stockholder returns. COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN Among ACM Research, Inc., the Nasdaq Index, and the Russell 1000 Index Item 6. [Reserved]