ASE Technology Holding Co., Ltd. (ASX)
NYSE: ASX · Semiconductors & Related Devices · Kaohsiung Taiwan, TW · filing with the SEC since 2000
Who owns ASE Technology Holding Co., Ltd.
As filed with the SECHolders of 5% or more
0
No Schedule 13D or 13G naming this company is on file.
Directors and officers
33
report now, of 33 people on the record since 2026. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 0 named at left.
Holders of 5% or moreshare of the class, as filed
No holder of 5% or more is on file in a Schedule 13D or 13G naming this company.
What ASX reports owning in othersstakes of 5% or more, and other ties
Ainos, Inc. AIMD
SCHEDULE 13D/A · filed Apr 15, 2026 · Common Stock, par value $0.01 per share
Other ties the annual report names
Usish
An entity · subsidiary · owns, named in the 20-F filed Apr 1, 2026
110 subsidiaries in 22 countries, from the list filed with the 20-F filed Apr 1, 2026.
Insider tradesForm 4
39sales
0purchases
0sales on a scheduled plan
3people selling
$370Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 13, 2025 to Nov 13, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 13, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 33 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | 4 | $247M | 0 | 0 | $0 |
| Chen Jeffrey | director | 23 | $96.0M | 0 | 0 | $0 |
| Uang Du-Tsuen | Chief Administration Officer | 12 | $26.6M | 0 | 0 | $0 |