Chen Tien-Szu 4

4 · ASE Technology Holding Co., Ltd. · Filed Apr 22, 2026

AI-generated summary of this filing

Updated Apr 22, 2026

ASE Technology (ASX) GM Chen Tien‑Szu Sells 530,000 Shares

What Happened

Chen Tien‑Szu, General Manager of ASE Inc., Chung‑Li Branch, sold a total of 530,000 ASE Technology shares in open‑market/private sales on April 20, 2026, for aggregate proceeds of NT$247,136,998.
Trade breakdown: 328,000 shares @ NT$465.11 (NT$152,554,998); 72,000 shares @ NT$466.00 (NT$33,552,000); 50,000 shares @ NT$467.00 (NT$23,350,000); 80,000 shares @ NT$471.00 (NT$37,680,000). These amounts are reported in New Taiwan Dollars (see footnote F1).

Key Details

Transaction date: 2026-04-20; Form filed: 2026-04-22 (filed within the typical two‑business‑day window). Not marked late.
Transaction type/code: S = Sale (open market / private sale).
Shares owned after transaction: Not disclosed in the provided filing.
Footnotes: F1 indicates amounts in New Taiwan Dollars. F2 notes the NT$465.11 price shown for the 328,000‑share line is a weighted average; those shares were sold in multiple trades at prices ranging NT$465 to NT$465.5 per share, and the filer can provide a breakdown on request.

Context

These are outright share sales (liquidity dispositions). Sales by insiders are common and do not by themselves indicate the insider's view of the company; purchases generally carry more informational weight for investors.
No information in the provided filing indicates a 10% owner status, option exercise, gift, or tax‑withholding event.

Form 4

Period: 2026-04-20

GM, ASE Inc. Chung-Li Branch

Transactions

Sale
Ordinary Shares
[F1][F2]
2026-04-20$465.11/sh−328,000$152,554,998→ 2,453,821 total
Sale
Ordinary Shares
[F1]
2026-04-20$466.00/sh−72,000$33,552,000→ 2,381,821 total
Sale
Ordinary Shares
[F1]
2026-04-20$467.00/sh−50,000$23,350,000→ 2,331,821 total
Sale
Ordinary Shares
[F1]
2026-04-20$471.00/sh−80,000$37,680,000→ 2,251,821 total

Footnotes (2)

[F1]New Taiwan Dollars.
[F2]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $465 to $465.5 New Taiwan Dollars per share. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Signature

/s/ Georgette Yeh, attorney-in-fact for Chen Tien-Szu|2026-04-22

1 file