Kuo-Chin Hsu, VP at Taiwan Semiconductor Manufacturing, bought TSM on Oct 7, 2026
Data as of Oct 16
- Traded
- Oct 7, 2026
- Disclosed
- Oct 8, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
TSM since disclosure
−9.9%
Similar stocks (XLK) since disclosure
−7.2%
XLK — its sector index fund
Change in closing price from Oct 8, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.