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ASE Technology Holding Co., Ltd.
ASX·NYSE·Insider activity
$45.76
-1.02 (-2.18%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
ASX
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ASXS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, ASX insiders filed 0 purchases ($0) and 35 sales ($346.2M) on the open market, by 3 insiders. Newest filing Jul 24, 2026 (2 months ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by ASX insiders · Form 4 · last two years
On Record
$0Purchases · 180 days
$346.2MSales · 180 days
38Open-market transactions on record
3Insiders filing · 180 days
Purchases (code P) and sales (code S) of ASX common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
38 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | n/c | — | 751.0Kdirect | Jul 22, 2026 | Jul 24, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | n/c | — | 754.0Kdirect | Jul 15, 2026 | Jul 17, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −2,000 | n/c | — | 757.0Kdirect | Jul 6, 2026 | Jul 8, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | n/c | — | 759.0Kdirect | Jul 1, 2026 | Jul 2, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | n/c | — | 764.0Kdirect | Jun 30, 2026 | Jul 2, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −2,000 | n/c | — | 762.0Kdirect | Jun 30, 2026 | Jul 2, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | $697.00 | $2.1M | 767.0Kdirect | Jun 23, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −5,000 | $667.00 | $3.3M | 770.0Kdirect | Jun 22, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −3,000 | $611.00 | $1.8M | 775.0Kdirect | Jun 18, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −5,000 | $617.00 | $3.1M | 778.0Kdirect | Jun 3, 2026 | Jun 3, 2026 | Form 4 ↗ |
| Uang Du-TsuenChief Administration Officer | Sale | −5,000 | $607.00 | $3.0M | 783.0Kdirect | Jun 1, 2026 | Jun 3, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −2,000 | $653.00 | $1.3M | 0indirect | May 27, 2026 | May 27, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $630.00 | $5.7M | 2,000indirect | May 26, 2026 | May 27, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $590.00 | $5.3M | 11.0Kindirect | May 25, 2026 | May 27, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $538.00 | $4.8M | 20.0Kindirect | May 22, 2026 | May 27, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $505.00 | $4.5M | 29.0Kindirect | May 21, 2026 | May 21, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $477.00 | $4.3M | 38.0Kindirect | May 20, 2026 | May 21, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $483.00 | $4.3M | 47.0Kindirect | May 19, 2026 | May 21, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $506.00 | $4.6M | 56.0Kindirect | May 18, 2026 | May 18, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $563.00 | $5.1M | 65.0Kindirect | May 15, 2026 | May 18, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $560.00 | $5.0M | 74.0Kindirect | May 14, 2026 | May 18, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $473.00 | $4.3M | 83.0Kindirect | Apr 24, 2026 | Apr 28, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $487.67 | $4.4M | 92.0Kindirect | Apr 23, 2026 | Apr 23, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $466.50 | $4.2M | 101.0Kindirect | Apr 22, 2026 | Apr 23, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $463.50 | $4.2M | 110.0Kindirect | Apr 21, 2026 | Apr 23, 2026 | Form 4 ↗ |
| Chen Tien-SzuGM, ASE Inc. Chung-Li Branch | Sale | −80.0K | $471.00 | $37.7M | 2.3Mdirect | Apr 20, 2026 | Apr 22, 2026 | Form 4 ↗ |
| Chen Tien-SzuGM, ASE Inc. Chung-Li Branch | Sale | −50.0K | $467.00 | $23.4M | 2.3Mdirect | Apr 20, 2026 | Apr 22, 2026 | Form 4 ↗ |
| Chen Tien-SzuGM, ASE Inc. Chung-Li Branch | Sale | −72.0K | $466.00 | $33.6M | 2.4Mdirect | Apr 20, 2026 | Apr 22, 2026 | Form 4 ↗ |
| Chen Tien-SzuGM, ASE Inc. Chung-Li Branch | Sale | −328.0K | $465.11 | $152.6M | 2.5Mdirect | Apr 20, 2026 | Apr 22, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $461.50 | $4.2M | 119.0Kindirect | Apr 20, 2026 | Apr 20, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $454.00 | $4.1M | 128.0Kindirect | Apr 17, 2026 | Apr 20, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $446.00 | $4.0M | 137.0Kindirect | Apr 16, 2026 | Apr 20, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $432.00 | $3.9M | 146.0Kindirect | Apr 15, 2026 | Apr 15, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $427.00 | $3.8M | 155.0Kindirect | Apr 14, 2026 | Apr 15, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $408.33 | $3.7M | 164.0Kindirect | Apr 13, 2026 | Apr 15, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $387.00 | $3.5M | 173.0Kindirect | Apr 10, 2026 | Apr 10, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $388.00 | $3.5M | 182.0Kindirect | Apr 9, 2026 | Apr 10, 2026 | Form 4 ↗ |
| Chen JeffreyDirector | Sale | −9,000 | $380.50 | $3.4M | 191.0Kindirect | Apr 8, 2026 | Apr 10, 2026 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →