ASE Technology Holding Co., Ltd. filings document foreign-issuer reporting for a Taiwan-based semiconductor assembly, testing and electronic manufacturing services company. Form 6-K reports include monthly unaudited net revenues, quarterly earnings materials, ATM revenue tables, segment results for packaging, testing, EMS and other operations, and related disclosures on capital expenditures, margins, customer concentration, credit lines and debt measures.
The company’s Form 20-F annual reporting covers audited financial statements, business risks and ADR-related disclosure for the ASX depositary receipts. Other filings and exhibits address shareholder meeting procedures, ADR holder proposal mechanics under the deposit agreement, governance notices, safe-harbor statements and risk factors tied to semiconductor demand cycles, competition, technology investment, environmental regulation, international operations and trade-policy exposure.
ASE Technology Holding Co., Ltd. (symbol: ASX) is the issuer of record for a Form 4 filing submitted to the SEC. Tung Hung-Szu reported acquisition or exercise transactions in this Form 4 filing.
ASE Technology Holding Co., Ltd. (ASX) reported that Chief Financial Officer Tung Hung-Szu received a grant of 400,000 Ordinary Shares on September 7, 2026, at no purchase price. Following this award, he directly holds 4,202,954 Ordinary Shares and has an additional 312,457 shares reported as indirectly owned by his spouse, for which he disclaims beneficial ownership except to the extent of any pecuniary interest. No Rule 10b5-1 trading plan is reported.
ASE Technology Holding Co., Ltd. (symbol: ASX) is the issuer of record for a Form 4 filing submitted to the SEC. Tang Andrew R reported acquisition or exercise transactions in this Form 4 filing.
ASE Technology Holding Co., Ltd. (ASX) director Andrew R. Tang received a grant or award of 85,000 Ordinary Shares on September 7, 2026, at a reported price of $0.00 per share, consistent with a compensation-related share award. Following this award, he directly holds 310,000 Ordinary Shares of ASE Technology Holding Co., Ltd. No Rule 10b5-1 trading plan is reported for this transaction.
ASE Technology Holding Co., Ltd. (symbol: ASX) is the issuer of record for a Form 4 filing submitted to the SEC. Chen Tien-Szu reported acquisition or exercise transactions in this Form 4 filing.
ASE Technology Holding Co., Ltd. (ASX) reported that Chen Tien-Szu, GM of ASE Inc. Chung-Li Branch, received a grant of 300,000 ordinary shares on September 7, 2026. The shares were awarded at no per-share cost, bringing this officer’s directly held stake to 2,551,821 ordinary shares.
ASE Technology Holding Co., Ltd. (ASX) reported that director Wu Tien-Yue received a grant or award of 600,000 Ordinary Shares on September 7, 2026. The shares were acquired at a stated price of $0.00 per share, bringing Wu's direct holdings to 8,277,473 Ordinary Shares. No Rule 10b5-1 trading plan is reported for this transaction.
ASE Technology Holding Co., Ltd. (ASX) director Jeffrey Chen reported equity-related changes on September 7, 2026. He received a grant or award of 300,000 Ordinary Shares at a reported price of $0.0000 per share, and there was a bona fide gift transfer of 600,000 Ordinary Shares from his direct holdings to his spouse, now reported as indirect ownership of 600,000 Ordinary Shares. The filing states that the reporting person disclaims beneficial ownership of indirectly held shares except to the extent of his pecuniary interest, if any, and no Rule 10b5-1 trading plan is reported.
ASE Technology Holding Co., Ltd. (ASX) reported strong unaudited consolidated net revenues for August 2026. Net revenues reached NT$82,247 million (US$2,556 million), up 11.5% from July 2026 and 45.7% year over year in New Taiwan dollar terms.
The ATM assembly, testing and material business contributed net revenues of NT$51,287 million (US$1,594 million), a 7.9% sequential increase and 53.1% year-over-year growth in NT$. The company notes that these monthly figures are unaudited and that the release is issued to comply with Taiwan regulatory requirements.
ASE Technology Holding Co., Ltd. (ASX) reported that officer Chung Chih-Hsiao, GM, ASE Japan & Wuxi Tongzhi, exercised employee stock options and received Ordinary Shares. On 2026-08-12 and 2026-08-13, he exercised options for a total of 365,000 Ordinary Shares (292,000 plus 73,000) at an exercise price of 41.1000 per share, with the price reflecting New Taiwan dollars. The options were originally granted on November 23, 2018 and were fully vested and exercisable at the time of exercise. The Form 4 does not report any market sales in connection with these exercises, and the Rule 10b5-1 checkbox is not marked.
ASE Technology Holding Co., Ltd. reported that Sharon Mei Wan Ko, serving as GM, ASE (PENANG) SDN. BHD., is now an officer of the company for securities reporting purposes. This initial statement of beneficial ownership lists no equity transactions or holdings. An attached exhibit provides a Power of Attorney authorizing filings on her behalf.
ASE Technology Holding Co., Ltd. reported unaudited consolidated net revenues for July 2026 of NT$73,784 million, up from NT$65,783 million in June 2026 and NT$51,542 million in July 2025. This represents a 12.2% sequential increase and a 43.2% year-over-year increase. In U.S. dollar terms, consolidated net revenues were US$2,309 million, compared with US$2,092 million in June 2026 and US$1,769 million in July 2025, a 10.4% sequential and 30.6% year-over-year increase.
Net revenues for the ATM (assembly, testing and material) business in July 2026 were NT$47,524 million, rising from NT$43,485 million in June 2026 and NT$31,783 million in July 2025, a 9.3% sequential and 49.5% year-over-year increase. In U.S. dollars, ATM net revenues were US$1,487 million, versus US$1,383 million in June 2026 and US$1,091 million in July 2025, a 7.6% sequential and 36.4% year-over-year increase. The company notes these figures are unaudited and includes a Safe Harbor statement regarding forward-looking information.
ASE Technology Holding Co., Ltd. priced an offering of US$1 billion aggregate principal amount of Currency Linked Zero Coupon Convertible Bonds due 2031. The bonds, which are convertible into the company’s common shares, were offered outside the United States under Regulation S.
The company plans to use the proceeds to fund capital contributions to subsidiaries for repayment of existing bank borrowings and for purchasing foreign currency‑denominated materials. These securities are not registered under the U.S. Securities Act and may not be offered or sold in the United States without registration or an applicable exemption. ASE Technology also includes standard forward‑looking statement cautions and refers investors to its 2025 Form 20‑F filed April 1, 2026 for risk discussions.