FREMONT, Calif.--(BUSINESS WIRE)--AXT, Inc. (NasdaqGS: AXTI) (“AXT” or the “Company”), a leading manufacturer of compound semiconductor wafer substrates, announced today the closing of its underwritten public offering of 8,163,265 shares of common stock at a price to the public of $12.25 per share, including the full exercise of the underwriters' option to purchase an additional 1,064,773 shares of the Company's common stock. The Company received total gross proceeds of approximately $100 milli.