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ASE Technology Holding Co., Ltd. Insider Trading Activity
Every SEC Form 4 insider transaction reported for ASE Technology Holding Co., Ltd. (ASX), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are ASX insiders buying or selling?
ASE Technology Holding Co., Ltd. insiders reported 0 open-market buys ($0) and 14 sells ($365.5M) across 14 Form 4 filings — a net selling position of $365.5M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 17, 2026)
Total Form 4 filings
14
SEC EDGAR
Insider filers
3
Insider buys (0)
$0
Insider sells (14)
$365.5M
Insider sentiment
Net sellingNet insider flow of $365.5M in net selling.
Recent ASX insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 17, 2026 | Du-Tsuen Uang | Chief Administration Officer | Sale | 3.0K | $688.00 | $2.1M |
| Jul 8, 2026 | Du-Tsuen Uang | Chief Administration Officer | Sale | 2.0K | $687.00 | $1.4M |
| Jul 2, 2026 | Du-Tsuen Uang | Chief Administration Officer | Sale | 8.0K | $686.63 | $5.5M |
| Jun 23, 2026 | Du-Tsuen Uang | Chief Administration Officer | Sale | 11.0K | $659.91 | $7.3M |
| Jun 3, 2026 | Du-Tsuen Uang | Chief Administration Officer | Sale | 10.0K | $612.00 | $6.1M |
| May 27, 2026 | Jeffrey Chen | Director | Sale | 29.0K | $590.62 | $17.1M |
| May 21, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $488.33 | $13.2M |
| May 18, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $543.00 | $14.7M |
| Apr 28, 2026 | Jeffrey Chen | Director | Sale | 9.0K | $473.00 | $4.3M |
| Apr 23, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $472.56 | $12.8M |
| Apr 22, 2026 | Tien-Szu Chen | GM, ASE Inc. Chung-Li Branch | Sale | 530.0K | $466.30 | $247.1M |
| Apr 20, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $453.83 | $12.3M |
| Apr 15, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $422.44 | $11.4M |
| Apr 10, 2026 | Jeffrey Chen | Director | Sale | 27.0K | $385.17 | $10.4M |
Showing the 14 most recent of 14 Form 4 filings for ASE Technology Holding Co., Ltd..
Most active ASX insiders
- Jeffrey Chen8 filings
- Du-Tsuen Uang5 filings
- Tien-Szu Chen1 filing
Ask anything about ASX insider activity
Use Trabud's AI agent to query ASE Technology Holding Co., Ltd.'s Form 4 history in plain English — "Show me ASX CEO purchases this year" or compare it against any other ticker.
Open the AI agentASX insider trading FAQ
Are ASE Technology Holding Co., Ltd. insiders buying or selling?
Across 14 SEC Form 4 filings, ASE Technology Holding Co., Ltd. (ASX) insiders reported 0 open-market purchases totaling $0 and 14 sales totaling $365.5M. That is a net selling position of $365.5M.
How many insiders trade ASX stock?
3 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for ASE Technology Holding Co., Ltd.. The most recent filing was accepted on Jul 17, 2026.
Where does Trabud get ASX insider trading data?
All ASX insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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