MetaCap

ASE Technology Insider Trades

NYSE: ASXTechnologySemiconductorsUSD

46.34+1.08 (+2.38%)

Market open · Delayed 15 min · as of Oct 9, 3:57 PM ET

Last 12 months

Purchases
0 · $0
Sales
38 · $367.49M
Shares bought / sold
0 / 767.00K
Net activity
Net selling $367.5 million

ASE Technology insider activity

Over the last 12 months, ASE Technology insiders reported 61 transactions on SEC Form 4: 0 open-market purchases and 38 sales. Insiders bought $0 and sold $367.5 million worth of stock, for net insider selling of $367.5 million. The largest seller was Chen Tien-Szu, with $247.1 million in reported sales.

The most recent filing shows Chang Hung Pen (Director) reporting a transaction in 300,000 shares at $98.60 on Sep 22, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ASX's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

ASX insider transactions

ASE Technology insider transactions
DateInsiderTypeSharesValueFiling
Sep 22, 2026Chang Hung PenDirectorOption exercise300,000$29.58MForm 4
Sep 7, 2026Chen JeffreyDirectorGift600,000—Form 4
Sep 7, 2026Chen JeffreyDirectorGift600,000—Form 4
Sep 7, 2026Chen JeffreyDirectorAward300,000—Form 4
Sep 7, 2026Chen Tien-SzuGM, ASE Inc. Chung-Li BranchAward300,000—Form 4
Sep 7, 2026Tang Andrew RDirectorAward85,000—Form 4
Sep 7, 2026Wu Tien-YueDirectorAward600,000—Form 4
Sep 7, 2026Tung Hung-SzuChief Financial OfficerAward400,000—Form 4
Sep 7, 2026Uang Du-TsuenChief Administration OfficerAward90,000—Form 4
Sep 7, 2026Kuo Hung-MingPrincipal Accounting OfficerAward50,000—Form 4
Sep 7, 2026Lo RaymondGM TW & Kaohsiung Pkg FacilityAward400,000—Form 4
Sep 7, 2026Lin ChungGM, ASE Shanghai & ElectronicsAward30,000—Form 4
Sep 7, 2026Hsiang KennethCEO, ISE LabsAward40,000—Form 4
Sep 7, 2026Chung Chih-HsiaoGM, ASE Japan & Wuxi TongzhiAward30,000—Form 4
Sep 7, 2026Tsai Chi-WenChairman & President, SPILAward334,000—Form 4
Aug 13, 2026Chung Chih-HsiaoGM, ASE Japan & Wuxi TongzhiOption exercise73,000$3.00MForm 4
Aug 12, 2026Chung Chih-HsiaoGM, ASE Japan & Wuxi TongzhiOption exercise292,000$12.00MForm 4
Jul 29, 2026Lin ChungGM, ASE Shanghai & ElectronicsOption exercise10,000$986.00KForm 4
Jul 29, 2026Lin ChungGM, ASE Shanghai & ElectronicsOption exercise25,000$1.03MForm 4
Jul 22, 2026Uang Du-TsuenChief Administration OfficerSale3,000$2.00MForm 4
Jul 15, 2026Uang Du-TsuenChief Administration OfficerSale3,000$2.06MForm 4
Jul 13, 2026Chang Hung PenDirectorOption exercise1,500,000$147.90MForm 4
Jul 13, 2026Chang Hung PenDirectorOption exercise3,000,000$123.30MForm 4
Jul 6, 2026Uang Du-TsuenChief Administration OfficerSale2,000$1.37MForm 4
Jul 1, 2026Uang Du-TsuenChief Administration OfficerSale3,000$2.13MForm 4
Jun 30, 2026Uang Du-TsuenChief Administration OfficerSale2,000$1.37MForm 4
Jun 30, 2026Uang Du-TsuenChief Administration OfficerSale3,000$1.99MForm 4
Jun 23, 2026Uang Du-TsuenChief Administration OfficerSale3,000$2.09MForm 4
Jun 22, 2026Uang Du-TsuenChief Administration OfficerSale5,000$3.33MForm 4
Jun 18, 2026Uang Du-TsuenChief Administration OfficerSale3,000$1.83MForm 4
Jun 3, 2026Uang Du-TsuenChief Administration OfficerSale5,000$3.08MForm 4
Jun 1, 2026Uang Du-TsuenChief Administration OfficerSale5,000$3.04MForm 4
May 27, 2026Chen JeffreyDirectorSale2,000$1.31MForm 4
May 26, 2026Chen JeffreyDirectorSale9,000$5.67MForm 4
May 25, 2026Chen JeffreyDirectorSale9,000$5.31MForm 4
May 22, 2026Chen JeffreyDirectorSale9,000$4.84MForm 4
May 21, 2026Chen JeffreyDirectorSale9,000$4.54MForm 4
May 20, 2026Chen JeffreyDirectorSale9,000$4.29MForm 4
May 19, 2026Chen JeffreyDirectorSale9,000$4.35MForm 4
May 18, 2026Chen JeffreyDirectorSale9,000$4.55MForm 4
May 15, 2026Chen JeffreyDirectorSale9,000$5.07MForm 4
May 14, 2026Chen JeffreyDirectorSale9,000$5.04MForm 4
Apr 24, 2026Chen JeffreyDirectorSale9,000$4.26MForm 4
Apr 23, 2026Chen JeffreyDirectorSale9,000$4.39MForm 4
Apr 22, 2026Chen JeffreyDirectorSale9,000$4.20MForm 4
Apr 21, 2026Chen JeffreyDirectorSale9,000$4.17MForm 4
Apr 20, 2026Chen JeffreyDirectorSale9,000$4.15MForm 4
Apr 20, 2026Chen Tien-SzuGM, ASE Inc. Chung-Li BranchSale80,000$37.68MForm 4
Apr 20, 2026Chen Tien-SzuGM, ASE Inc. Chung-Li BranchSale50,000$23.35MForm 4
Apr 20, 2026Chen Tien-SzuGM, ASE Inc. Chung-Li BranchSale72,000$33.55MForm 4
Apr 20, 2026Chen Tien-SzuGM, ASE Inc. Chung-Li BranchSale328,000$152.55MForm 4
Apr 17, 2026Chen JeffreyDirectorSale9,000$4.09MForm 4
Apr 16, 2026Chen JeffreyDirectorSale9,000$4.01MForm 4
Apr 15, 2026Chen JeffreyDirectorSale9,000$3.89MForm 4
Apr 14, 2026Chen JeffreyDirectorSale9,000$3.84MForm 4
Apr 13, 2026Chen JeffreyDirectorSale9,000$3.67MForm 4
Apr 10, 2026Chen JeffreyDirectorSale9,000$3.48MForm 4
Apr 9, 2026Chen JeffreyDirectorSale9,000$3.49MForm 4
Apr 9, 2026Chang Chien ShenDirectorOption exercise1,500,000$149.55MForm 4
Apr 9, 2026Chang Chien ShenDirectorOption exercise3,000,000$123.30MForm 4
Apr 8, 2026Chen JeffreyDirectorSale9,000$3.42MForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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