AXT Announces Closing of Public Offering of Common Stock

Key Terms

underwritten public offering financial

An underwritten public offering is when a company sells new shares of its stock to the public with the help of a financial firm, called an underwriter. The underwriter agrees to buy all the shares upfront, reducing the company's risk, and then sells them to investors. This process helps companies raise money quickly and confidently from a wide range of buyers.

overallotment option financial

An overallotment option (often called a "greenshoe") is a pre-arranged allowance for underwriters to sell or buy up to a specified extra percentage of a company’s shares during an offering to meet unexpected demand or support the share price. Think of it as a short-term buffer: it helps reduce wild swings right after shares start trading but can slightly increase the total shares outstanding if the option is exercised, which matters to investors because it affects supply, price stability, and potential dilution.

shelf registration statement regulatory

A shelf registration statement is a document a company files with regulators that allows it to sell shares or bonds quickly when it’s a good time to raise money. It’s like having a pre-approved plan ready so the company can act fast without going through lengthy paperwork each time they want to sell, making fundraising more flexible.

form s-3asr regulatory

Form S-3ASR is a type of SEC registration that lets large, well-known public companies pre-register securities so they can be sold quickly when needed, similar to having a pre-approved credit line they can draw on at short notice. For investors, it matters because it signals a company's readiness to raise cash fast, which can affect share supply and price (dilution) and reveal how easily the company can fund growth or handle short-term needs.

prospectus supplement regulatory

A prospectus supplement is an additional document provided alongside a company's main offering details, offering updated or extra information about a specific financial product being sold. It helps investors understand the latest terms, risks, and details of the investment, similar to how an update or revision clarifies or expands on original instructions, ensuring they have current and complete information before making a decision.

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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 8,560,311 shares of common stock at a price to the public of $64.25 per share. The Company received total gross proceeds of approximately $550 million, before deducting the underwriting discounts and commissions and other offering expenses. In addition, the Company granted the underwriter a 30-day option to purchase up to 1,284,046 additional shares of common stock at the public offering price, less the underwriting discounts (the “Overallotment Option”). If the Overallotment Option is fully exercised, the Company expects to receive aggregate gross proceeds of approximately $632.5 million, before deducting underwriting discounts and commissions and other offering expenses.

The Company intends to use the net proceeds from the offering primarily to financially support our subsidiary Beijing Tongmei Xtal Technology Co., Ltd. in its efforts to increase its capacity to produce indium phosphide substrates for export worldwide, for research and development of new or improved products, and for working capital and for general corporate purposes.

Northland Capital Markets acted as sole bookrunner for this offering. Needham & Company, B. Riley Securities, Craig-Hallum Capital Group LLC and Wedbush Securities Inc. acted as co-managers for this offering.

An effective shelf registration statement on Form S-3ASR relating to the securities offered in the public offering described above was filed with the Securities and Exchange Commission (the “SEC”) on April 20, 2026 (File No. 333-295188). The offering was made only by means of a written prospectus and prospectus supplement that form a part of the registration statement. A final prospectus supplement and accompanying prospectus relating to the offering has been filed with the SEC and is available on the SEC’s website at www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus, when available, may also be obtained from Northland Capital Markets, 150 South Fifth Street, Suite 3300, Minneapolis, MN 55402, Attention: Heidi Fletcher, by telephone at (612) 851-4918 or by visiting the SEC’s website located at http://www.sec.gov.

This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted.

About AXT, Inc.

AXT is a material science company that develops and manufactures high-performance compound and single element semiconductor substrate wafers comprising indium phosphide (InP), gallium arsenide (GaAs) and germanium (Ge). The company’s substrate wafers are used when a typical silicon substrate wafer cannot meet the performance requirements of a semiconductor or optoelectronic device. End markets include 5G infrastructure, data center connectivity (silicon photonics), passive optical networks, LED lighting, lasers, sensors, power amplifiers for wireless devices and satellite solar cells. AXT’s worldwide headquarters are in Fremont, California where the company maintains sales, administration and customer service functions. AXT has its Asia headquarters in Beijing, China and manufacturing facilities in three separate locations in China. In addition, as part of its supply chain strategy, the company has partial ownership in ten companies in China producing raw materials for its manufacturing process. For more information, see AXT’s website at https://investors.axt.com.

Safe Harbor Forward-Looking Statements

This press release contains "forward-looking statements" that are subject to substantial risks and uncertainties. All statements, other than statements of historical fact, contained in this press release are forward-looking statements. Forward-looking statements contained in this press release may be identified by the use of words such as "anticipate," "believe," "contemplate," "could," "estimate," "expect," "intend," "seek," "may," "might," "plan," "potential," "predict," "project," "target," "aim," "should," "will" "would," or the negative of these words or other similar expressions, although not all forward-looking statements contain these words. Such statements include, but are not limited to, statements relating to our intended use of proceeds from the offering and production expansion plans. Forward-looking statements are based on the Company’s current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict. Further, certain forward-looking statements are based on assumptions as to future events that may not prove to be accurate. These and other risks and uncertainties are set forth in the company’s Annual Report on Form 10-K, quarterly reports on Form 10-Q and other filings made with the Securities and Exchange Commission. Forward-looking statements contained in this announcement are made as of this date, and the Company undertakes no duty to update such information except as required under applicable law.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260422896654/en/

Gary Fischer
Chief Financial Officer
(510) 438-4700

Leslie Green
Green Communications Consulting, LLC
leslie@greencommunicationsllc.com

Source: AXT, Inc.