Shien-Yang Wu
Shien-Yang Wu: SVP at TSMC. What Shien-Yang Wu 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)
Shien-Yang Wu holds 171,989 TSMC shares (0.00% of the company), worth about $83.6M at the last price, according to the Form 4 of Sep 7, 2026.
- Shares held: 128,622 (0.00%), $62.6M — Held in their own name.
- Shares held: 39,879 (0.00%), $19.4M — Held by a spouse or a family member (By Spouse): 39,789 common, 90 ADS.
- Shares held: 3,489 (0.00%), $1.7M — Held through trusts (By ESPP Trust, By LTI Trust).
Declarations
- TSMC (TSM) — Form 4 of Sep 7, 2026 (SVP): open-market purchase of 57 at $76.20; 171,989 shares after 0001046179-26-000646
- TSMC (TSM) — Form 4 of Sep 1, 2026 (SVP): grant or award of 12,881; 171,978 shares after 0001046179-26-000592
- TSMC (TSM) — Form 4 of Aug 7, 2026 (SVP): open-market purchase of 57 at $73.31; 169,401 shares after 0001046179-26-000520
- TSMC (TSM) — Form 4 of Jul 7, 2026 (SVP): open-market purchase of 54 at $76.62; 169,390 shares after 0001046179-26-000443
- TSMC (TSM) — Form 4 of Jun 5, 2026 (SVP): open-market purchase of 57 at $76.01; 167,263 shares after 0001046179-26-000357
- TSMC (TSM) — Form 4 of May 8, 2026 (SVP): open-market purchase of 60 at $71.82; 167,252 shares after 0001046179-26-000262
- TSMC (TSM) — Form 4 of Apr 9, 2026 (SVP): open-market purchase of 71 at $57.87; 167,240 shares after 0001046179-26-000188
- TSMC (TSM) — Form 3 of Mar 18, 2026 (SVP); 167,225 shares after 0001046179-26-000100
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.