Yao-Ching Ku
Yao-Ching Ku: VP at TSMC. What Yao-Ching Ku 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.
TSMC (TSM)
Yao-Ching Ku holds 47,006 TSMC shares (0.00% of the company), worth about $20.0M at the last price, according to the Form 4 of Oct 7, 2026.
- Shares held: 26,200 (0.00%), $11.1M — Held through companies or funds (By Wei Liang Asset Management Co. Ltd.).
- Shares held: 14,589 (0.00%), $6.2M — Held by a spouse or a family member (By Spouse).
- Shares held: 6,170 (0.00%), $2.6M — Held in their own name.
- Shares held: 47 (0.00%), $19,899.36 — Held through trusts (By ESPP Trust).
Declarations
- TSMC (TSM) — Form 4 of Oct 7, 2026 (VP): open-market purchase of 46 at $79.39; 47,006 shares after 0001046179-26-000696
- TSMC (TSM) — Form 4 of Sep 7, 2026 (VP): open-market purchase of 47 at $76.20; 46,997 shares after 0001046179-26-000622
- TSMC (TSM) — Form 4 of Aug 7, 2026 (VP): open-market purchase of 47 at $73.31; 46,988 shares after 0001046179-26-000499
- TSMC (TSM) — Form 4 of Jul 7, 2026 (VP): open-market purchase of 46 at $76.62; 46,978 shares after 0001046179-26-000442
- TSMC (TSM) — Form 4 of Jun 5, 2026 (VP): open-market purchase of 48 at $76.01; 47,059 shares after 0001046179-26-000348
- TSMC (TSM) — Form 3/A of Jun 1, 2026 (VP); 46,959 shares after 0001046179-26-000373
- TSMC (TSM) — Form 3 of Jun 1, 2026 (VP); 47,049 shares after 0001046179-26-000299
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.
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