Chen Tien-Szu 4

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.