Form4insider filings, from the source

Company · CIK 0001122411 · SIC 3674 — Semiconductors & Related Devices · NYSE

ASE Technology Holding Co., Ltd. · ASX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 MForm 4 →Sep 24, 6:05 am EDTHung Pen ChangDirector300,000$98.60$29,580,0004,800,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:31 am EDTChi-Wen TsaiChairman & President, SPIL334,000——15,598,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:27 am EDTChih-Hsiao ChungGM, ASE Japan & Wuxi Tongzhi30,000——425,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:26 am EDTKenneth HsiangCEO, ISE Labs40,000——109,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:24 am EDTChung LinGM, ASE Shanghai & Electronics30,000——170,278—
Sep 7, 2026 AForm 4 →Sep 9, 6:22 am EDTRaymond LoGM TW & Kaohsiung Pkg Facility400,000——4,383,430—
Sep 7, 2026 AForm 4 →Sep 9, 6:20 am EDTHung-Ming KuoPrincipal Accounting Officer50,000——985,500—
Sep 7, 2026 AForm 4 →Sep 9, 6:18 am EDTDu-Tsuen UangChief Administration Officer90,000——841,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:15 am EDTHung-Szu TungChief Financial Officer400,000——4,202,954—
Sep 7, 2026 AForm 4 →Sep 9, 6:13 am EDTAndrew R TangDirector85,000——310,000—
Sep 7, 2026 AForm 4 →Sep 9, 6:11 am EDTTien-Szu ChenGM, ASE Inc. Chung-Li Branch300,000——2,551,821—
Sep 7, 2026 AForm 4 →Sep 9, 6:09 am EDTTien-Yue WuDirector600,000——8,277,473—
Sep 7, 2026 AGForm 4 →Sep 9, 6:07 am EDTJeffrey ChenDirector1,500,000——600,000—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 MForm 4 →Sep 24, 6:05 am EDTHung Pen ChangDirector300,000——1,200,000—