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ASX · Ase Technology Holding Co., Ltd.

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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ASX

Name: ASE Technology Holding Co., Ltd. (ASX) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

ASE Technology Holding Co., Ltd.

SEMICONDUCTORS & ELECTRONICS · SEMICONDUCTORS & RELATED DEVICES · CIK 0001122411

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$367.5M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

306

13F, latest reported quarter

REVENUE GROWTH

XBRL, annual

NET MARGIN

CONVERSIONS · 180D

codes C/M, not in net · $561.1M priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$367.5M over 180 days

-$18.2M over 90 days

below 96% of Semiconductors & Electronics

CONGRESS

no member of Congress has reported trading it

FUNDS

306 funds added or opened last quarter

more than 75% of Semiconductors & Electronics

REVENUE

no revenue reported in any filing

MARGIN

no margin: this company reports no revenue to divide by

BUYBACKS

no share repurchases reported

SHORT

0.2% of shares outstanding short · 1.1 days to cover · settled 2026-07-31

below 91% of Semiconductors & Electronics

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$367.5M across 3 people in 180 days.

306 funds added or opened positions in the latest 13F quarter, of 486 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +268.6%

+268.6%12M

INSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

The complete filing record, in one place.

The record shows a net $367.5M sold by insiders over 180 days, 306 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

NVDA CRDO VICR MPWR VPLM ALAB PI MTSI MU AIP AVGO MSI

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, ASE Technology Holding Co., Ltd. insiders sold a net $367.5M of stock across 38 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Uang Du-Tsuen

Chief Administration Officer

SELL

2026-07-22

3,000.0

$2.0M

Uang Du-Tsuen

Chief Administration Officer

SELL

2026-07-15

3,000.0

$2.1M

Uang Du-Tsuen

Chief Administration Officer

SELL

2026-07-06

2,000.0

$1.4M

Uang Du-Tsuen

Chief Administration Officer

SELL

2026-07-01

3,000.0

$2.1M

Uang Du-Tsuen

Chief Administration Officer

SELL

2026-06-30

3,000.0

$2.0M

38 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 33 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

26,255,012.0 sh

$1.2B

BANK OF AMERICA CORP /DE/

9,387,504.0 sh

$423.6M

GOLDMAN SACHS GROUP INC

8,300,320.0 sh

$374.5M

LAZARD ASSET MANAGEMENT LLC

7,970,225.0 sh

$359.6M

UBS Group AG

7,787,150.0 sh

$351.4M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

PROFUND VP ASIA 30

$1.6M POSITION · AS OF 2026-03-31

8.9%

Yieldmax Semiconductor Portfolio Option Income ETF

$23.3M POSITION · AS OF 2026-04-30

3.7%

National Security Emerging Markets Index ETF

$1.1M POSITION · AS OF 2026-02-28

2.9%

Yieldmax Target 12 Semiconductor Option Income ETF

$1.3M POSITION · AS OF 2026-04-30

2.6%

ULTRAEMERGING MARKETS PROFUND

$327.9K POSITION · AS OF 2026-04-30

2.4%

PROFUND VP EMERGING MARKETS

$607.6K POSITION · AS OF 2026-03-31

2.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
GROSS PROFIT	$114.2B	$96.9B	$91.8B	$134.9B
NET INCOME	$41.2B	$33.8B	$37.3B	$64.6B

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE