Chien Shen Chang
Chien Shen Chang: Director at ASE Technology. What Chien Shen Chang holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
ASE Technology (ASX)
Chien Shen Chang holds 477.8M ASE Technology shares (21.5% of the company), worth about $22.7B at the last price, according to the Form 4 of Apr 9, 2026.
- Shares held: 474.7M (21.3%), $22.5B — Held through companies or funds (By ASE Enterprises Limited, By Value Tower Ltd.).
- Shares held: 3.1M (0.14%), $148.2M — Held in their own name.
- Options: 750,000 (0.03%), $35.6M — The right to buy 750,000 shares at $199.40 each, until 2033. Not bought yet.
Declarations
- ASE Technology (ASX) — Form 4 of Apr 9, 2026: option exercise or conversion of 3.0M at $41.10; option exercise or conversion of 1.5M at $99.70; 477.8M shares after 0000950103-26-005636
- ASE Technology (ASX) — Form 3 of Mar 18, 2026; 475.6M shares after 0000950103-26-004251
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.