COMMON STOCK

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

COMMON STOCK

COMMON STOCK

ACM is authorized to issue 150,000,000 shares of Class A common stock and 5,307,816 shares of Class B common stock, each with a par value of $0.0001. Each share of Class A common stock is entitled to one vote, and each share of Class B common stock is entitled to twenty votes and is convertible at any time into one share of Class A common stock. Shares of Class A common stock and Class B common stock are treated equally, identically and ratably with respect to any dividends declared by the Board of Directors of ACM unless such Board of Directors declares different dividends to the Class A common stock and Class B common stock, which is subject to approval from a majority of common stockholders.

During the three months ended September 30, 2023, ACM issued 623,244 shares of Class A common stock upon option exercises by employees and non-employees. During the nine months ended September 30, 2023, ACM issued 919,448 shares of Class A common stock upon option exercises by employees and non-employees.

During the three months ended September 30, 2022, ACM issued 231,710 shares of Class A common stock upon option exercises by employees and non-employees. During the nine months ended September 30, 2022, ACM issued 763,584 shares of Class A common stock upon option exercises by employees and non-employees and an additional 1,002 shares of Class A common stock upon conversion of an equal number of shares of Class B common stock.

At September 30, 2023 and December 31, 2022, the number of shares of Class A common stock issued and outstanding was 55,574,734 and 54,655,286, respectively.

At September 30, 2023 and December 31, 2022, the number of shares of Class B common stock issued and outstanding was 5,021,811 and 5,021,811, respectively.