Chuang Tzu-Sou 4

What Happened Chuang Tzu-Sou, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSMC, TSM), acquired 58 common shares on 2026-04-09 in a purchase reported on Form 4. The shares were purchased at a translated price of $57.87 each (NT$1,837.2789 converted at NT$31.748/USD), for a total cash outlay of roughly $3,356. This was a purchase (code P) made under the issuer’s Employee Stock Purchase Plan (ESPP), which is typically a routine way for employees and officers to buy company stock.

Key Details

• Transaction date: 2026-04-09; Form 4 filed: 2026-04-13 (filed within the two-business-day window).
• Trade: Purchase of 58 shares at $57.87 per share; total ≈ $3,356.
• Shares owned after transaction: Not disclosed in the filing.
• Footnotes in the filing:
  • F1: Shares purchased by the ESPP administrator on behalf of the filer under preset plan terms.
  • F2: Price shown is translated from NT$1,837.2789 using NT$31.748 = US$1.
  • F3: Shares are purchased and held under the issuer’s ESPP.
  • F4: Describes purchases by a trust funded by the LTI Bonus Plan over which the filer has investment control (included in filing text but not indicated as applying specifically to this ESPP purchase).
• Transaction code: P = Purchase.

Context This was a small ESPP purchase (≈$3.4k) typical for employees and officers participating in company purchase programs; such purchases are generally routine and do not necessarily signal a material change in insider sentiment. The filing was submitted on 2026-04-13 for the April 9 transaction, which meets the SEC’s two-business-day Form 4 filing requirement.