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Form 8-K · Current Report · Filed 2026-06-17

AXT, Inc. Subsidiary Enters Long-term Supply Agreement for InP Wafer Substrates

On June 11, 2026, Beijing Tongmei Xtal Technology Co., Ltd., a subsidiary of AXT, Inc., entered into a Long-term Supply Agreement with Nanjing Casela Technologies Corporation, Ltd.

Filer
Axt, Inc. AXTI · NASDAQ
Filed
Accession
0001437749-26-020978
CIK
0001051627
Signal
Medium impactTechnology

Details

The agreement commits Casela to purchase a fixed aggregate quantity of indium phosphide wafer substrates from Tongmei for a total price of approximately US$25.4 million during 2027. Casela is required to make a 50% prepayment within 15 business days of the agreement's entry into force, with the remaining 50% due by December 31, 2026. The agreement includes provisions for prioritizing Casela's demand and consequences for fundamental breaches, such as termination and forfeiture of payments.

Items reported

Item events

Reported Item

New Major Contract Strategic Partnership

Market reaction

Close before filing

$93.04

Next session

-9.1%

Since filing

-35.0%

Latest close

$60.43

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from AXTI reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, AXTI insiders reported 21 Form 4 transactions — net selling of $28.7M.

Full AXTI insider history →

About Axt, Inc.

Axt, Inc. is a leading producer of high-performance compound semiconductor substrates. These substrates, such as gallium arsenide (GaAs), enable the efficient functioning of a diverse range of electronic and optoelectronic devices. Axt, Inc. plays a crucial role in enhancing the performance of high-frequency, high-power, and optically sensitive applications. The primary use of these substrates is found in industries like telecommunications, light-emitting diodes (LEDs), and solar cells. With its production facilities located primarily in China, Axt, Inc. serves a global market, catering to technology companies that require high-quality semiconductor materials. Through its extensive research and development initiatives, the company continually innovates to meet the growing demand for substrate materials that support advanced technology products. As a significant provider in the semiconductor supply chain, Axt, Inc. contributes to the advancement of next-generation technologies, supporting sectors that are critical to modern electronics and renewable energy solutions.

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