ASXNYSE · Semiconductors & Related Devices

ASE Technology Holding Co., Ltd.

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Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 14 Sale Uang Du-Tsuen Insider

1 week

−4.3%S&P +0.5%

1 month

Result in14 trading days

3 months

Result in56 trading days

6 months

Result in119 trading days

Jul 24 Sale Uang Du-Tsuen Insider

1 week

−4.5%S&P +1.1%

1 month

−1.6%S&P +3.3%

3 months

+2.4%S&P +3.6%

6 months

Result in62 trading days

Jul 17 Sale Uang Du-Tsuen Insider

1 week

−4.1%S&P −0.6%

1 month

+3.9%S&P +4.0%

3 months

+9.1%S&P +4.1%

6 months

Result in57 trading days

Jul 8 Sale Uang Du-Tsuen Insider

1 week

+2.0%S&P +1.3%

1 month

−6.7%S&P +3.1%

3 months

+17.2%S&P +4.8%

6 months

Result in50 trading days

Jul 2 Sale Uang Du-Tsuen Insider

1 week

+2.9%S&P +1.4%

1 month

−11.6%S&P +1.7%

3 months

+7.9%S&P +2.8%

6 months

Result in47 trading days

Show all 17

Jun 23 Sale Uang Du-Tsuen Insider

1 week

+13.5%S&P +1.8%

1 month

+0.2%S&P +0.6%

3 months

+14.7%S&P +5.7%

6 months

Result in40 trading days

Jun 3 Sale Uang Du-Tsuen Insider

1 week

−14.1%S&P −3.8%

1 month

+9.6%S&P −0.1%

3 months

−6.2%S&P +1.7%

6 months

Result in27 trading days

May 27 Sale Chen Jeffrey Insider

1 week

+2.1%S&P +0.5%

1 month

+2.9%S&P −2.6%

3 months

−3.7%S&P +2.3%

6 months

Result in22 trading days

May 21 Sale Chen Jeffrey Insider

1 week

+17.5%S&P +1.9%

1 month

+21.8%S&P −1.0%

3 months

+12.9%S&P +3.4%

6 months

Result in19 trading days

May 18 Sale Chen Jeffrey Insider

1 week

+23.1%S&P +1.6%

1 month

+18.3%S&P +0.3%

3 months

+16.1%S&P +4.2%

6 months

Result in16 trading days

Apr 28 Sale Chen Jeffrey Insider

1 week

+11.2%S&P +1.7%

1 month

+35.0%S&P +6.0%

3 months

+4.5%S&P +2.8%

6 months

Result in2 trading days

Apr 23 Sale Chen Jeffrey Insider

1 week

+5.4%S&P +1.4%

1 month

+16.8%S&P +5.2%

3 months

+24.8%S&P +4.6%

6 months

+27.8%S&P +8.4%

Apr 22 Sale Chen Tien-Szu Insider

1 week

+2.1%S&P +0.1%

1 month

+9.0%S&P +4.4%

3 months

+33.0%S&P +4.1%

6 months

+43.0%S&P +9.2%

Apr 20 Sale Chen Jeffrey Insider

1 week

+5.4%S&P +0.9%

1 month

+5.5%S&P +3.5%

3 months

+38.0%S&P +5.9%

6 months

+40.7%S&P +8.7%

Apr 15 Sale Chen Jeffrey Insider

1 week

+10.0%S&P +1.6%

1 month

+29.5%S&P +6.9%

3 months

+46.5%S&P +7.5%

6 months

+64.4%S&P +10.5%

Apr 10 Sale Chen Jeffrey Insider

1 week

+15.1%S&P +4.5%

1 month

+42.1%S&P +8.8%

3 months

+64.9%S&P +10.5%

6 months

+88.7%S&P +15.2%

Oct 5, 2025 Sale Rep. Sheri Biggs House

1 week

+3.0%S&P −1.3%

1 month

+34.9%S&P +0.5%

3 months

+53.6%S&P +3.3%

6 months

+111.9%S&P +1.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for ASX

34 held · newest 534 held · newest 2

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Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.