Company description

ASE Technology Holding Co., Ltd. was jointly established on April 30, 2018, as a company limited by shares under the R.O.C. Company Law, by the combination of Advanced Semiconductor Engineering, Inc., which was incorporated on March 23, 1984, and Siliconware Precision Industries Co., Ltd., which was incorporated on May 17, 1984. ASEH directly controls ASE Group, SPIL Group, USI Group, ASE Social Enterprise Co., Ltd., and ASE Global Integrated Solutions Co., Ltd. ASEH’s main manufacturing facilities are located in Taiwan, the P.R.C., South Korea, Japan, Singapore, Malaysia, the Philippines, Vietnam, Mexico, America, Poland, France, the United Kingdom, Germany, Tunisia, the Czech Republic, and Hungary. Our principal executive offices are located at 26, Chin 3rd Road, Nanzih District, Kaohsiung, Taiwan, R.O.C. and our telephone number at the above address is (886-7) 361-7131. Our Common Shares have been listed on the TWSE under the symbol “3711” and ADSs representing our Common Shares have been listed on the NYSE under the ticker symbol “ASX.” In 2024, we completed the acquisition of 100% shareholdings of ASEPCAYMAN and CHE. In January 2026, we obtained control over EugenLight Technologies. We are subject to the informational requirements of the Exchange Act and are required to file reports and other information with the SEC. The SEC maintains a website at www.sec.gov that contains reports, proxy and information statements, and other information regarding registrants that make electronic filings with the SEC using its EDGAR system.

Read the full filing description · filed 1 Apr 2026

At a glance

Sector

Technology

Industry

Semiconductors & Related Devices