ASE Technology Holding Co., Ltd. (ASX)
Data as of , from SEC Form 4 filings.
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About ASE Technology Holding Co., Ltd. (ASX)
ASE Technology Holding Co Ltd is a semiconductor assembly and testing firm. The company operates in segments: Packaging, Testing, Electronic Manufacturing Services and others. Of these, Packaging segment contribute the maximum revenue. The packaging segment involves packaging bare semiconductors into completed semiconductors with improved electrical and thermal characteristics. The Testing Segment includes front-end engineering testing, wafer probing, and final testing services. In the EMS segment, the company designs manufactures, and sells electronic components and telecommunication equipment motherboards. The company is based in Taiwan but generates over half its sales from firms in the United States.
- 119,346
- 2000
- NYSE
ASX Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 3,000 | $2.26M |
| Grant or award | 12 | 2,659,000 | |
| Option exercise | 6 | 1,330,000 | |
ASX insider transactions (Form 4)
6133 Form 4 filings on record, the earliest from Apr 10, 2026, newest first. Filing history page 1 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $752.00 footnote F1 | $2.26M | |
| ||||||
| Hung Pen Chang - Director | Option exercise | Ordinary Shares | 300,000 | $98.60 footnote F1 | $29.58M | |
| Hung Pen Chang - Director | Option exercise | Stock Option (Right to Buy) | 300,000 | $0.00 | - | |
| ||||||
| Chi-Wen Tsai - Officer | Grant or award | Ordinary Shares | 334,000 | $0.00 | - | |
| Chih-Hsiao Chung - Officer | Grant or award | Ordinary Shares | 30,000 | $0.00 | - | |
| Kenneth Hsiang - Officer | Grant or award | Ordinary Shares | 40,000 | $0.00 | - | |
| Chung Lin - Officer | Grant or award | Ordinary Shares | 30,000 | $0.00 | - | |
| Raymond Lo - Officer | Grant or award | Ordinary Shares | 400,000 | $0.00 | - | |
| Hung-Ming Kuo - Officer | Grant or award | Ordinary Shares | 50,000 | $0.00 | - | |
| Du-Tsuen Uang - Officer | Grant or award | Ordinary Shares | 90,000 | $0.00 | - | |
| Hung-Szu Tung - Officer | Grant or award | Ordinary Shares | 400,000 | $0.00 | - | |
| Andrew R. Tang - Director | Grant or award | Ordinary Shares | 85,000 | $0.00 | - | |
| Tien-Szu Chen - Officer | Grant or award | Ordinary Shares | 300,000 | $0.00 | - | |
| Tien-Yue Wu - Director | Grant or award | Ordinary Shares | 600,000 | $0.00 | - | |
 Jeffrey Chen - Director | Grant or award | Ordinary Shares | 300,000 | $0.00 | - | |
| Jeffrey Chen - Director | Gift | Ordinary Shares | 600,000 | $0.00 | - | |
| Jeffrey Chen - Director | Gift | Ordinary Shares | 600,000 | $0.00 | - | |
| Chih-Hsiao Chung - Officer | Option exercise | Ordinary Shares | 292,000 | $41.10 footnote F1 | $12.00M | |
| Chih-Hsiao Chung - Officer | Option exercise | Ordinary Shares | 73,000 | $41.10 footnote F1 | $3.00M | |
| Chih-Hsiao Chung - Officer | Option exercise | Stock Option (Right to Buy) | 292,000 | $0.00 | - | |
| Chih-Hsiao Chung - Officer | Option exercise | Stock Option (Right to Buy) | 73,000 | $0.00 | - | |
| ||||||
| Chung Lin - Officer | Option exercise | Ordinary Shares | 25,000 | $41.10 footnote F1 | $1.03M | |
| Chung Lin - Officer | Option exercise | Ordinary Shares | 10,000 | $98.60 footnote F1 | $986K | |
| Chung Lin - Officer | Option exercise | Stock Option (Right to Buy) | 25,000 | $0.00 | - | |
| Chung Lin - Officer | Option exercise | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $665.00 footnote F1 | $2.00M | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $688.00 footnote F1 | $2.06M | |
| ||||||
| Hung Pen Chang - Director | Option exercise | Ordinary Shares | 3,000,000 | $41.10 footnote F1 | $123.30M | |
| Hung Pen Chang - Director | Option exercise | Ordinary Shares | 1,500,000 | $98.60 footnote F1,F4 | $147.90M | |
| Hung Pen Chang - Director | Option exercise | Stock Option (Right to Buy) | 3,000,000 | $0.00 | - | |
| Hung Pen Chang - Director | Option exercise | Stock Option (Right to Buy) | 1,500,000 | $0.00 | - | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 2,000 | $687.00 footnote F1 | $1.37M | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $664.00 footnote F1 | $1.99M | |
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 2,000 | $687.00 footnote F1 | $1.37M | |
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $709.00 footnote F1 | $2.13M | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $611.00 footnote F1 | $1.83M | |
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 5,000 | $667.00 footnote F1 | $3.33M | |
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 3,000 | $697.00 footnote F1 | $2.09M | |
| ||||||
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 5,000 | $607.00 footnote F1 | $3.04M | |
| Du-Tsuen Uang - Officer | Open-market sale | Ordinary Shares | 5,000 | $617.00 footnote F1 | $3.08M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $538.00 footnote F1 | $4.84M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $590.00 footnote F1 | $5.31M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $630.00 footnote F1 | $5.67M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 2,000 | $653.00 footnote F1 | $1.31M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $483.00 footnote F1 | $4.35M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $477.00 footnote F1 | $4.29M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $505.00 footnote F1 | $4.54M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $560.00 footnote F1 | $5.04M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $563.00 footnote F1 | $5.07M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $506.00 footnote F1 | $4.55M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $473.00 footnote F1 | $4.26M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $463.50 footnote F1 | $4.17M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $466.50 footnote F1 | $4.20M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $487.67 footnote F1 | $4.39M | |
| ||||||
| Tien-Szu Chen - Officer | Open-market sale | Ordinary Shares | 328,000 | $465.11 footnote F1,F2 | $152.55M | |
| Tien-Szu Chen - Officer | Open-market sale | Ordinary Shares | 72,000 | $466.00 footnote F1 | $33.55M | |
| Tien-Szu Chen - Officer | Open-market sale | Ordinary Shares | 50,000 | $467.00 footnote F1 | $23.35M | |
| Tien-Szu Chen - Officer | Open-market sale | Ordinary Shares | 80,000 | $471.00 footnote F1 | $37.68M | |
| ||||||
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $446.00 footnote F1 | $4.01M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $454.00 footnote F1 | $4.09M | |
| Jeffrey Chen - Director | Open-market sale | Ordinary Shares | 9,000 | $461.50 footnote F1 | $4.15M | |
| ||||||
ASX insider trading FAQ
What is the latest insider trade for ASX?
ASE Technology Holding Co., Ltd. (ASX) had 15 insider filings in the last 90 days, with the most recent on 14 October 2026. The full record for ASX runs to 33 Form 4 filings, the earliest from 10 April 2026. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ASX stock?
No insider purchases of ASX were filed in the last 90 days.
How many insiders are selling ASX stock?
1 insider sale of ASX was filed in the last 90 days, totaling $2.26M.
Where can I see ASX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ASX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Du-Tsuen Uang view on EDGAR
- - Hung Pen Chang view on EDGAR
- - Chi-Wen Tsai view on EDGAR
- - Chih-Hsiao Chung view on EDGAR
- - Kenneth Hsiang view on EDGAR
- - Chung Lin view on EDGAR
- - Raymond Lo view on EDGAR
- - Hung-Ming Kuo view on EDGAR
- - Du-Tsuen Uang view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Insider activity in Information Technology
- Where ASX's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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