Welcome to our dedicated page for ASE Technology Holding Co., Ltd. SEC filings (Ticker: ASX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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ASE Technology Holding Co., Ltd. executive Chen Tien-Szu, GM of ASE Inc. Chung-Li Branch, has reported an initial statement of ownership in the company. He directly holds 2,781,821 Ordinary Shares and stock options covering 300,000 Ordinary Shares at an exercise price of 41.1000 New Taiwan dollars per share. These options were granted on November 23, 2018, are fully vested and exercisable, and expire on November 22, 2028.
ASE Technology Holding Co., Ltd. executive Raymond Lo filed an initial ownership report showing his current equity stake in the company. He directly holds 3,983,430 Ordinary Shares and a fully vested stock option covering 500,000 Ordinary Shares at an exercise price of 41.1000 New Taiwan dollars, expiring on November 22, 2028. The options were granted on November 23, 2018 and are fully exercisable.
ASE Technology Holding Co., Ltd. officer Wei Chen-Yen filed an initial ownership report on Form 3 as Chairman of USI Co., Ltd. The filing shows direct ownership of 366,115 Ordinary Shares of ASE Technology Holding. The filing does not report any recent share purchases or sales, only current holdings.
ASE Technology Holding Co., Ltd. insider Tsai Chi-Wen, who serves as Chairman & President of SPIL, filed an initial ownership report. The Form 3 shows direct beneficial ownership of 15,264,000 Ordinary Shares, establishing this baseline equity position but reporting no new buy or sell transactions.
ASE Technology Holding Co., Ltd. filed a Form 3 identifying Hew Yee Voon, GM of ASE Cheonan, Inc., as an officer subject to U.S. insider reporting rules. The filing reports no insider share purchases, sales, option exercises, or other equity transactions for this reporting person.
ASE Technology Holding Co., Ltd. insider Lee Tuck Weng Andrew, an officer serving as GM, USI Mexico, filed an initial Form 3 reporting his status as an insider of the company. This filing establishes his reporting obligations for future trades but does not list any share transactions.
ASE Technology Holding Co., Ltd. executive Hsiang Kenneth, CEO of ISE Labs, filed an initial ownership report showing his current equity position. He holds stock options to purchase 250,000 Ordinary Shares at an exercise price of New Taiwan dollars 41.1000 per share, fully vested and exercisable and expiring on November 22, 2028. He also directly holds 69,000 Ordinary Shares.
ASE Technology Holding Co., Ltd. director Andrew R. Tang filed an initial ownership report showing both stock options and ordinary share holdings. He holds fully vested stock options to purchase 350,000 Ordinary Shares at an exercise price of 41.1000 per share, with these options expiring on November 22, 2028. He also directly owns 225,000 Ordinary Shares following this filing, giving a clear picture of his existing equity and option position rather than any new purchase or sale.
ASE Technology Holding Co., Ltd. reported unaudited consolidated net revenues for February 2026. Net revenues were NT$52,097 million (US$1,653 million), down 13.2% from January 2026 but up 15.9% in NT$ terms and 20.3% in US$ terms versus February 2025.
The company’s ATM assembly, testing and material business generated NT$34,972 million (US$1,110 million) of net revenues in February 2026, a 7.1–7.2% decline from January 2026 but a strong year-over-year increase of 28.0% in NT$ and 32.8% in US$.
ASE Technology Holding Co., Ltd. reported unaudited consolidated net revenues for January 2026 of NT$ 59,989 million, up 21.3% year over year and 1.9% sequentially. In U.S. dollar terms, net revenues were US$ 1,906 million, increasing 26.5% year over year and 1.3% from December 2025.
The assembly, testing and material business generated January 2026 net revenues of NT$ 37,639 million, a 33.8% year-over-year rise and slightly higher than December 2025 by 0.1%. In U.S. dollars, this segment delivered US$ 1,196 million, up 39.5% year over year, with a small sequential decline of 0.4%.