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. director Chang Chien Shen exercised stock options to acquire 4,500,000 Ordinary Shares on April 9, 2026. He exercised 3,000,000 options at NT$41.10 per share and 1,500,000 options at NT$99.70 per share, converting derivative awards into shares.
Following these exercises, he held 6,247,647 Ordinary Shares directly. The filing also shows indirect holdings of 684,327,886 Ordinary Shares through ASE Enterprises Limited and 265,024,820 Ordinary Shares through Value Tower Ltd., indicating a substantial overall position associated with the director.
ASE Technology Holding Co., Ltd. director Jeffrey Chen reported three open-market sales of Ordinary Shares indirectly held through his spouse. On April 8–10, 2026, a total of 27,000 shares were sold at prices between NT$380.5 and NT$388 per share.
After these transactions, Chen reports 173,000 Ordinary Shares indirectly held by his spouse and a separate 2,383,000 Ordinary Shares held directly. A footnote states that he disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest.
ASE Technology Holding Co., Ltd. reported strong March 2026 and first-quarter 2026 unaudited consolidated net revenues. March 2026 net revenues were NT$61,577 million (US$1,949 million), up 18.2% sequentially and 14.6% year over year. For first-quarter 2026, consolidated net revenues reached NT$173,662 million (US$5,508 million), a 17.2% year-over-year increase, with a modest 2.4% decline from the prior quarter.
Net revenues for the ATM assembly, testing and material business were a key driver. March 2026 ATM net revenues were NT$39,823 million (US$1,261 million), up 13.9% sequentially and 27.6% year over year. ATM first-quarter 2026 net revenues were NT$112,434 million (US$3,566 million), representing 29.7% year-over-year growth.
ASE Technology Holding Co., Ltd. filed its 2025 annual report on Form 20-F for the year ended December 31, 2025 with the U.S. Securities and Exchange Commission. The report is available on the company’s website and on the SEC’s website.
Shareholders can request hard copies of the audited financial statements in the Form 20-F free of charge through Citibank Shareholder Services. The notice also includes a standard safe harbor statement explaining that forward-looking comments are subject to numerous business, regulatory, geopolitical, and macroeconomic risks described in the 2025 Form 20-F.
ASE Technology Holding Co., Ltd. has notified holders of its American Depositary Receipts about key dates for participation in its 2026 annual general shareholders’ meeting. ADR holders who own at least one percent of the company’s total issued and outstanding shares may submit shareholder proposals for the meeting.
The submission period set under R.O.C. Company Law runs from April 17, 2026 to April 27, 2026, and proposals from ADR holders must reach Citibank, N.A., as Depositary, between April 17, 2026 and April 25, 2026. The annual general shareholders’ meeting will be held on June 24, 2026, with an ADR record date of April 24, 2026, which determines which ADR holders are entitled to attend or vote.
ASE Technology Holding Co., Ltd. executive Kuo Hung-Ming, the Principal Accounting Officer, filed an initial ownership report showing direct holdings of 935,500 Ordinary Shares. This Form 3 establishes his reported equity stake in the company but does not disclose any recent share purchases or sales.
ASE Technology Holding Co., Ltd. filed an initial statement of beneficial ownership (Form 3) for Wu Ying Pin, who serves as GM, Asteelflash Suzhou Co. Ltd. This filing lists Wu as an officer of the company for SEC reporting purposes but shows no reported share holdings or transactions at this time.
ASE Technology Holding Co., Ltd. filed a Form 3 for officer Denis Nicolas, listed with the title "CEO, Financiere AFG." The filing data shows no reported transactions, no derivative positions, and no recorded holding entries for this reporting person in this excerpt.
ASE Technology Holding Co., Ltd. executive Lee Gichol, GM of ASE Korea, has filed an initial Form 3 as an officer of the company. The filing does not report any purchases, sales, option exercises, gifts, or other insider transactions, and shows no reportable derivative positions or holdings.