Tien Bor-Zen 4

What Happened

• Tien Bor‑Zen, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSM), made two open‑market/ESPP purchases on 2026-05-19 totaling 2,000 shares for $139,810. The purchases were: 1,000 shares at $69.98 ($69,980) and 1,000 shares at $69.83 ($69,830). These are purchases (P), which investors often view as a stronger signal than sales because insiders are adding to holdings.

Key Details

• Transaction dates and prices: 2026-05-19 — 1,000 shares @ $69.98 (F1) and 1,000 shares @ $69.83 (F2).
• Total reported value: $139,810 (exact); roughly $140k.
• Footnotes:
  • F1/F2: Prices were translated from New Taiwan dollars (NT$2,215 and NT$2,210) at NT$31.650 = US$1.
  • F3: Each American Depositary Share (ADS) represents five common shares.
  • F4: Shares were purchased and held under the issuer’s Employee Stock Purchase Plan (ESPP).
• Shares owned after transaction: Not disclosed in the provided filing excerpt.
• Filing timeliness: Reported on the same day (filed 2026-05-19 for transactions dated 2026-05-19) — appears timely.

Context

• These were outright purchases under an ESPP (not option exercises or gifts). ESPP purchases are common for employee insiders and represent direct buy activity rather than derivative transactions.
• The filing does not state motivations; purchases simply indicate the insider acquired additional shares.