TSMC VP Chuang Tzu-Sou Acquires 46 Shares via ESPP

Executive Summary

On October 8, 2026, Taiwan Semiconductor Manufacturing Co. Ltd. (NYSE: TSM) filed a Form 4 detailing an acquisition of equity by Vice President Chuang Tzu-Sou.

Transaction Breakdown

• Date of Transaction: October 7, 2026
• Security: Common Shares (2330.TW)
• Transaction Code: P (Open-market or private purchase)
• Shares Acquired: 46 shares
• Price Per Share: $79.39 (translated from NT$2,524.2277 at an exchange rate of NT$31.795 to US$1)
• Total Transaction Value: ~$3,651.94
• Ownership Nature: Indirect (Held by ESPP Trust)

Context & Holdings

• ESPP Participation: According to the footnotes, the purchase was executed by the administrator of the issuer's Employee Stock Purchase Plan (ESPP) on predetermined terms.
• Direct Holdings: The filer holds 1,516,228 Common Shares directly, which includes 12,888 shares transferred on September 30, 2026, from the ESPP Trust and LTI Trust into direct ownership (exempt under Rule 16a-13).
• Market Significance: Low. The transaction represents a routine, small-dollar automated ESPP contribution rather than discretionary, market-timed open market insider activity.