Welcome to our dedicated page for ASE Technology 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.
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. Chief Administration Officer Uang Du-Tsuen reported a sale of 3,000 Ordinary Shares on July 15, 2026 at 688 New Taiwan Dollars per share, leaving 754,000 Ordinary Shares held directly after the transaction.
ASE Technology Holding Co., Ltd. director Chang Hung Pen reported on July 13, 2026 exercising stock options to acquire 3,000,000 Ordinary Shares at an exercise price of 41.1000 and 1,500,000 shares at 98.6, both in New Taiwan dollars. After these transactions, he is shown holding 4,500,000 and 3,000,000 Ordinary Shares directly, plus indirect positions of 120,640,482 shares via Billiant Capital Profits Limited and 3,534,746 shares via Precious Eagles Limited. The filing also lists 1,500,000 stock options with a 98.6 exercise price expiring on August 17, 2033, and notes that this exercise price was reduced from 99.7 on July 11 due to a cash dividend distribution.
ASE Technology Holding Co., Ltd. reports strong top-line growth for June and the second quarter of 2026. Unaudited consolidated net revenues for June 2026 were NT$65,783 million, up 4.4% from May 2026 and 32.9% higher than June 2025. For Q2 2026, consolidated net revenues reached NT$191,064 million, increasing 10.0% sequentially from Q1 2026 and 26.7% year over year.
The ATM assembly, testing and material business was a key driver. June 2026 ATM net revenues were NT$43,485 million, up 3.1% sequentially and 41.8% year over year. For Q2 2026, ATM net revenues were NT$126,148 million, rising 12.2% from Q1 2026 and 36.3% from Q2 2025, indicating robust demand in ASE’s core semiconductor packaging and testing operations.
ASE Technology Holding Co., Ltd. Chief Administration Officer Du-Tsuen Uang reported an open-market sale of 2,000 Ordinary Shares on July 6, 2026. The shares were sold at NT$687.0000 per share. After this transaction, Uang directly holds 757,000 Ordinary Shares.
ASE Technology Holding Co., Ltd. Chief Administration Officer Uang Du-Tsuen reported open-market sales of a total of 8,000 Ordinary Shares. The sales occurred on June 30 and July 1, 2026 at prices of NT$664, NT$687, and NT$709 per share.
After these transactions, Uang Du-Tsuen directly holds 759,000 Ordinary Shares. The reported sales represent a small portion of the officer’s disclosed direct holdings and involve no derivative exercises in this filing.
ASE Technology Holding Co., Ltd. Chief Administration Officer Uang Du-Tsuen reported open-market sales of ordinary shares. Across three days, Uang sold a total of 11,000 shares at prices between 611 and 697 New Taiwan Dollars per share. After these transactions, Uang directly holds 767,000 ordinary shares, so the disposals represent a small portion of the reported position.
ASE Technology Holding Co., Ltd. reported strong May 2026 unaudited consolidated net revenues of NT$63,033 million, up 1.3% from April 2026 and 28.6% from May 2025. In U.S. dollars, net revenues were $2,001 million, rising 2.2% sequentially and 26.1% year over year.
The ATM assembly, testing and material business was the main growth driver, with May 2026 net revenues of NT$42,162 million, up 4.1% from April and 37.9% versus a year earlier. In U.S. dollars, ATM revenues reached $1,338 million, increasing 5.1% sequentially and 35.2% year over year.
ASE Technology Holding Co., Ltd. executive Uang Du‑Tsuen reported open‑market sales of Ordinary Shares. On June 1, 2026 and June 3, 2026, he sold 5,000 shares each day at prices of NT$607 and NT$617 per share, respectively. After these sales, he directly holds 778,000 Ordinary Shares.
ASE Technology Holding Co., Ltd. officer Chung Chih-Hsiao reported his equity holdings. He directly holds 30,000 Ordinary Shares and two stock option grants over a total of 865,000 Ordinary Shares. One option covers 365,000 shares at an exercise price of NT$41.10 expiring on August 22, 2028. The other covers 500,000 shares at NT$99.70 expiring on August 17, 2033. The 2018 grant is fully vested and exercisable, while the 2023 grant vests in seven semi-annual installments through August 18, 2028.
ASE Technology Holding Co., Ltd. director Jeffrey Chen reported a series of open-market sales of Ordinary Shares indirectly held through his spouse. Between May 22, 2026 and May 27, 2026, the spouse sold a total of 29,000 shares at prices ranging from NT$538 to NT$653 per share, reducing indirect holdings to zero after the final transaction. A separate entry on May 22, 2026 shows Chen directly holding 2,383,000 Ordinary Shares. A footnote states that Chen disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest.