ASE Technology Holding Co., Ltd.(ASX)
NYSE
$31.63
1.91 (6.43%)

ASE Technology Holding Co., Ltd.(ASX)Company Profile & Business
NYSE

Company Profile

Business overview, scale, and footprint

Company NameASE Technology Holding Co., Ltd.
Ticker SymbolASX
ExchangeNYQ
SectorTechnology
IndustrySemiconductors
Employees119,346
CEON/A
Founded1984
HeadquartersKaohsiung, Taiwan
CountryTaiwan
Next Earnings DateN/A

Business Overview

ASE Technology Holding Co., Ltd., together with its subsidiaries, provides semiconductor manufacturing services in the United States, Taiwan, rest of Asia, Europe, and internationally. It operates through Packaging, Testing, and EMS. The company offers semiconductor packaging, interconnect materials production, front-end engineering testing, wafer probing, and final testing services, as well as integrated solutions for EMS (electronic manufacturing services) in relation to computing, peripherals, communications, industrial, automotive, and server applications. It also provides turnkey services, such as packaging, testing, and direct shipment of semiconductors to end users; wire bonding, including lead frame and substrate-based packages; advanced packages; heterogeneous integration; and other test-related services.

In addition, the company engages in the leasing of properties; development, construction, sale, and management of real estate properties; management of parking lot; leasing of properties for shopping center; and management of commercial complex services and department store trading activities, as well as offers social, marketing and sales, information software, leasing and investing, and after-sales and sales support services. Further, it engages in the substrates production; investment advisory and warehousing management; design and manufacturing of electronic components and new electronic applications; technical advisory; management, training, and consulting of organization and human resources; projection of plastic; manufacture and sale of antennas, RF amplifiers and wave straps, PCBs, and tuners; and research and development activities. ASE Technology Holding Co., Ltd. was founded in 1984 and is based in Kaohsiung, Taiwan.

Insider Transactions

Open-market purchases and sales reported on SEC Form 4

Insider Activity Summary

Between Apr 13, 2026 and Oct 12, 2026, insiders of ASE Technology Holding Co., Ltd. (ASX) reported 36 open-market trades on SEC Form 4: 0 purchases (0 shares) and 36 sales (743,000 shares, about $359.35M). Sales exceeded purchases by about $359.35M.

36 open-market insider trades found. Showing 10 of 36.

Show:entries
Insider NameRelation to CompanyShares ChangedPriceTransaction Date
Uang Du-TsuenChief Administration Officer-3,000$752.00Oct 12, 2026
Uang Du-TsuenChief Administration Officer-3,000$665.00Jul 22, 2026
Uang Du-TsuenChief Administration Officer-3,000$688.00Jul 15, 2026
Uang Du-TsuenChief Administration Officer-2,000$687.00Jul 6, 2026
Uang Du-TsuenChief Administration Officer-3,000$709.00Jul 1, 2026
Uang Du-TsuenChief Administration Officer-2,000$687.00Jun 30, 2026
Uang Du-TsuenChief Administration Officer-3,000$664.00Jun 30, 2026
Uang Du-TsuenChief Administration Officer-3,000$697.00Jun 23, 2026
Uang Du-TsuenChief Administration Officer-5,000$667.00Jun 22, 2026
Uang Du-TsuenChief Administration Officer-3,000$611.00Jun 18, 2026
Page 1 of 4 (36 total transactions)