TSMC (TSM) VP Chuang Tzu‑Sou Buys 47 Shares via ESPP

What Happened

• Chuang Tzu‑Sou, Vice President at Taiwan Semiconductor Manufacturing Co. (TSMC, TSM), purchased 47 common shares on 2026-08-07 at an average price of $73.31 per share, for a total of $3,446. The transaction is reported as a purchase (code P) and was made under the issuer's Employee Stock Purchase Plan (ESPP).

Key Details

• Transaction date: 2026-08-07; Filing date: 2026-08-10 (filed within the normal Form 4 window).
• Trade details: 47 shares × $73.31 = $3,446 total.
• Transaction code: P (purchase).
• Shares owned after transaction: Not specified in the filing.
• Notable footnotes from the filing:
  • F1/F3: Shares were purchased by the ESPP administrator on behalf of the filer and held under the ESPP.
  • F2: Price converted from NT$2,367.1117 using NT$32.288 = US$1.
  • F4 appears in the filing set but refers to LTI-trust purchases where investment control was obtained; it is not explicitly tied to this ESPP purchase.

Context

• This was a routine ESPP purchase: the plan administrator bought shares on behalf of the insider per pre-set ESPP terms (common for payroll/discount plans). Small-dollar ESPP purchases like this are common and do not, by themselves, indicate a material change in insider sentiment.