ASE Technology Holding Co., Ltd. (ASX) Insider Trading & SEC Filings
Last SEC filing
ASE Technology Holding Co., Ltd. (ASX) has filed 11 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-31. Insider sales over the same period: 21 transactions worth $69.28M. InsiderAlpha tracks every ASX SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About ASE Technology Holding Co., Ltd. (ASX)
ASE Technology Holding Co., Ltd. trades under the ticker ASX. InsiderAlpha tracks 18 primary SEC Form 4 filings from 6 reporting insiders for ASX since 2026, sourced directly from SEC EDGAR.
| SEC CIK | 0001122411 |
|---|
90-Day SEC Filing Activity
| Insider sales (90d) | 21 ($69.28M) |
|---|---|
| Form 4 filings (90d) | 11 |
| Latest Form 4 filing | 2026-07-31 |
Recent ASX Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Chung Lin | GM, ASE Shanghai & Electronics | M - Option exercise | 10.0K | $98.60 | $986K | SEC | |
| Chung Lin | GM, ASE Shanghai & Electronics | M - Option exercise | 25.0K | $41.10 | $1.03M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $665.00 | $2.00M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $688.00 | $2.06M | SEC | |
| Hung Pen Chang | Director | M - Option exercise | 3.00M | $41.10 | $123.30M | SEC | |
| Hung Pen Chang | Director | M - Option exercise | 1.50M | $98.60 | $147.90M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 2.0K | $687.00 | $1.37M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $709.00 | $2.13M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 2.0K | $687.00 | $1.37M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $664.00 | $1.99M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $697.00 | $2.09M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 5.0K | $667.00 | $3.33M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 3.0K | $611.00 | $1.83M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 5.0K | $617.00 | $3.08M | SEC | |
| Du-Tsuen Uang | Chief Administration Officer | S - Open-market sale | 5.0K | $607.00 | $3.04M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for ASE Technology Holding Co., Ltd. (ASX). Updated in real time as new filings are submitted to the SEC.
Most-Active ASX Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Du-Tsuen Uang | 11 | $24.30M |
| Jeffrey Chen | 10 | $44.97M |
| Hung Pen Chang | 4 | $271.20M |
| Chung Lin | 4 | $2.01M |
Recent Insider Filings
- - Chung Lin (GM, ASE Shanghai & Electronics)
- - Du-Tsuen Uang (Chief Administration Officer)
- - Du-Tsuen Uang (Chief Administration Officer)
- - Hung Pen Chang (Director)
- - Du-Tsuen Uang (Chief Administration Officer)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ASX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
ASX Insider Trading - FAQ
- What is the latest insider trade for ASX?
- ASE Technology Holding Co., Ltd. (ASX) had 11 insider filings in the last 90 days, with the most recent on 2026-07-31. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying ASX stock?
- 0 insider purchases of ASX were filed in the last 90 days.
- How many insiders are selling ASX stock?
- 21 insider sales of ASX were filed in the last 90 days, totaling $69.28M.
- Where can I see ASX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks ASX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
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