TSMC Senior Vice President Acquires Shares via Employee Stock Purchase Plan

Executive Summary

On October 8, 2026, Taiwan Semiconductor Manufacturing Co Ltd (NYSE: TSM) filed a Form 4 reporting an acquisition of Common Shares by Senior Vice President Tzonz-Sheng Chang. On October 7, 2026, 51 common shares were acquired indirectly via an Employee Stock Purchase Plan (ESPP) trust at a price of $79.39 per share (converted from NT$2,524.2277 at an exchange rate of NT$31.795 to US$1), totaling approximately $4,048.89.

Transaction & Holdings Breakdown

• Transaction Type: Purchase (ESPP routine allocation)
• Shares Acquired: 51 Common Shares
• Purchase Price: $79.39 per share
• Total Transaction Value: $4,048.89
• Post-Transaction Beneficial Ownership:
  • Direct: 173,580 shares
  • Indirect (ESPP Trust): 52 shares
  • Indirect (By Spouse): 173,000 shares

Market & Trading Significance

The trading significance of this transaction is Low. The acquisition represents an automated, routine periodic contribution under the company's Employee Stock Purchase Plan rather than a discretionary open-market insider purchase reflecting market timing or proprietary sentiment. Furthermore, the transaction volume is nominal relative to the reporting officer's aggregate direct and indirect holdings of over 346,000 shares.