Yoo Chue-San 4

What Happened Yoo Chue-San, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSM), bought 53 common shares on 2026-06-05 in an open-market/ESPP transaction. The reported price was $76.01 per share, for a total of approximately $4,029. This was a purchase (insider buying) carried out through the issuer's Employee Stock Purchase Plan (ESPP) mechanisms.

Key Details

• Transaction date: 2026-06-05; Form 4 filed: 2026-06-09 (filing appears timely).
• Transaction type/code: P — Purchase.
• Price and amount: 53 shares at $76.01 each; total ≈ $4,029.
• Shares owned after transaction: Not specified in the filing.
• Footnotes in the filing:
  • F1/F3: Shares were purchased by the ESPP administrator on behalf of the filer and are held under the ESPP.
  • F2: Price was translated from the average NT$ purchase price (NT$2,392.5207) using NT$31.475 = US$1.
  • F4: Filing also notes shares purchased by a trust with LTI bonus cash over which the filer has investment control.
• No indication of a 10b5-1 plan, gift, exercise-and-sale, or tax-withholding event in this transaction.

Context This is a routine ESPP purchase of a small number of shares (≈ $4k), often resulting from payroll or periodic ESPP purchases rather than an active market-timing decision. Purchases can be interpreted as a mild positive signal since an insider added stock, but the size here is modest and consistent with automated ESPP contributions.