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. reported revised unaudited consolidated net revenues for July 2025 of NT$51,542 million (US$1,769 million). Consolidated revenue rose 4.1% sequentially in NT$ and 6.5% sequentially in US$, while July was essentially flat year-over-year in NT$ (-0.1% YoY) but up 11.2% YoY in US$ versus July 2024. The assembly, testing and materials (ATM) segment generated NT$31,783 million (US$1,091 million), up 3.6% sequentially and 15.8% YoY in NT$ (29.0% YoY in US$). The company notes these figures are revised and unaudited and provided to meet Taiwan regulatory requirements.
ASE Technology (ASX) – Form 6-K, Q2 2025 results. Consolidated revenue reached NT$150.8 bn (+2 % QoQ, +7 % YoY), driven by the core ATM business, which climbed 20 % YoY to NT$91.6 bn and now represents 61 % of sales. EMS declined 7 % YoY to NT$58.4 bn.
Group gross profit improved to NT$25.7 bn with a 17.0 % margin (+20 bp QoQ, +60 bp YoY). Operating income grew 5 % QoQ to NT$10.2 bn (6.8 % margin). Nevertheless, pretax income fell 8 % YoY and net income attributable to shareholders slipped 3 % YoY to NT$7.5 bn; basic EPS was NT$1.74.
Within ATM, testing revenue surged 32 % YoY; leading-edge packaging & testing exceeded 10 % of ATM sales versus 6 % for FY-24. Segment gross margin remained robust at 21.9 % despite a 70 bp sequential easing. EMS margin stayed low at 2.6 % and operating profit dropped 22 % YoY.
Balance sheet: cash fell to NT$72.8 bn while interest-bearing debt rose to NT$240.1 bn, lifting net-debt/equity from 0.41 to 0.52. Capex totaled US$992 m in Q2, outpacing quarterly EBITDA (US$879 m).
Guidance: Management expects Q3 2025 USD revenue to rise 12-14 % QoQ (ATM +9-11 %, EMS +18-20 %), but projects a 1.0-1.2 pp gross-margin decline and a 0.1-0.3 pp operating-margin decline. EMS margin should improve 0.3-0.5 pp.