Tzonz-Sheng Chang
Tzonz-Sheng Chang: SVP at TSMC. What Tzonz-Sheng 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.
TSMC (TSM)
Tzonz-Sheng Chang holds 69,316 TSMC shares (0.00% of the company), worth about $33.7M at the last price, according to the Form 4 of Sep 7, 2026.
- Shares held: 34,600 (0.00%), $16.8M — Held by a spouse or a family member (By Spouse).
- Shares held: 31,504 (0.00%), $15.3M — Held in their own name.
- Shares held: 3,212 (0.00%), $1.6M — Held through trusts (By ESPP Trust, By LTI Trust).
Declarations
- TSMC (TSM) — Form 4 of Sep 7, 2026 (SVP): open-market purchase of 53 at $76.20; 69,316 shares after 0001046179-26-000602
- TSMC (TSM) — Form 4 of Sep 1, 2026 (SVP): grant or award of 12,881; 69,306 shares after 0001046179-26-000577
- TSMC (TSM) — Form 4 of Aug 7, 2026 (SVP): open-market purchase of 54 at $73.31; 66,729 shares after 0001046179-26-000483
- TSMC (TSM) — Form 4 of Jul 7, 2026 (SVP): open-market purchase of 52 at $76.62; 66,719 shares after 0001046179-26-000439
- TSMC (TSM) — Form 4 of Jul 3, 2026 (SVP): gift of 173,000; gift of 173,000; 66,708 shares after 0001046179-26-000383
- TSMC (TSM) — Form 4 of Jun 5, 2026 (SVP): open-market purchase of 53 at $76.01; 66,708 shares after 0001046179-26-000337
- TSMC (TSM) — Form 4 of May 8, 2026 (SVP): open-market purchase of 56 at $71.82; 66,698 shares after 0001046179-26-000225
- TSMC (TSM) — Form 4 of Apr 9, 2026 (SVP): open-market purchase of 67 at $57.87; 66,686 shares after 0001046179-26-000143
- TSMC (TSM) — Form 3 of Mar 18, 2026 (SVP); 66,673 shares after 0001046179-26-000117
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.