ASX
insider transactionsASE Technology Holding Co., Ltd. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 90d
-740.0K
0 buy · 740.0K sell
Net value · 90d
-$349.3M
$0 in · $349.3M out
Sentiment · 90d
Net selling
0% buying · 100% selling
Open-market trades · 90d
29
0 buy · 740.0K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Sell·S
Chief Administration Officer
$6.1M
10.0K sh · $612.00 avg · 2 lots
Own -1%
-
Sell·S
Director
$17.1M
29.0K sh · $590.62 avg · 4 lots
Own -100%
-
Sell·S
Director
$13.2M
27.0K sh · $488.33 avg · 3 lots
Own -48%
-
Sell·S
Director
$14.7M
27.0K sh · $543.00 avg · 3 lots
Own -33%
-
Sell·S
Director
$4.3M
9.0K sh · $473.00
Own -10%
-
Sell·S
Director
$12.8M
27.0K sh · $472.56 avg · 3 lots
Own -23%
-
Sell·S
Director
$12.3M
27.0K sh · $453.83 avg · 3 lots
Own -18%
-
Sell·S
GM, ASE Inc. Chung-Li Branch
$247.1M
530.0K sh · $466.30 avg · 4 lots
Own -19%
-
Sell·S
Director
$11.4M
27.0K sh · $422.44 avg · 3 lots
Own -16%
-
Sell·S
Director
$10.4M
27.0K sh · $385.17 avg · 3 lots
Own -14%
-
Exercise·M
Director
$0
4.5M sh · 2 lots
Own New
-
Exercise·M
Director
$272.9M
4.5M sh · $60.63 avg · 2 lots
Own +257%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 3, 2026 | Du-Tsuen Uang | Sell S | 10.0K2 lots | $6.1M |
| May 27, 2026 | Jeffrey Chen | Sell S | 29.0K4 lots | $17.1M |
| May 21, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $13.2M |
| May 18, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $14.7M |
| Apr 24, 2026 | Jeffrey Chen | Sell S | 9.0K | $4.3M |
| Apr 23, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $12.8M |
| Apr 20, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $12.3M |
| Apr 20, 2026 | Tien-Szu Chen | Sell S | 530.0K4 lots | $247.1M |
| Apr 15, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $11.4M |
| Apr 10, 2026 | Jeffrey Chen | Sell S | 27.0K3 lots | $10.4M |
| Apr 9, 2026 | Chien Shen Chang | Exercise M | 4.5M2 lots | $0 |
| Apr 9, 2026 | Chien Shen Chang | Exercise M | 4.5M2 lots | $272.9M |
About ASX insider trading
This page tracks insider transactions for ASE Technology Holding Co., Ltd. (ASX) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.