TSMC (TSM) VP Yoo Chue-San Buys Stock

What Happened Yoo Chue-San, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSMC, TSM), acquired 53 common shares on 2026-09-07 at $76.20 per share, for a total of $4,039. The filing indicates the purchase was made under the issuer’s employee plans (ESPP / LTI-related arrangements), which are typically payroll- or plan-driven purchases rather than discretionary open-market buys.

Key Details

• Transaction date and price: 2026-09-07, 53 shares at $76.20 each (total $4,039). Price was translated from NT$2,404.3453 at NT$31.552 = US$1.
• Shares owned after transaction: Not specified in the provided filing summary.
• Footnotes of note:
  • F1/F3: Shares purchased by the ESPP administrator on behalf of the filer and held under the ESPP.
  • F2: Price reported is a USD conversion from New Taiwan dollars using the stated exchange rate.
  • F4: Some shares were purchased by a trust with LTI Bonus Plan cash, over which the filer has investment control.
• Filing timeliness: Reported on 2026-09-09 for a 2026-09-07 transaction — appears timely under Form 4 rules.

Context Employee stock purchase plan (ESPP) and long-term incentive (LTI) purchases are common and often automated (payroll or plan-directed). Such transactions reflect participation in company compensation plans and do not necessarily indicate a personal market-timing view by the insider.