Tien Bor-Zen 4

What Happened

• Tien Bor‑Zen, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSM), made open‑market purchases on 2026‑05‑08: 44 ADS at $71.82 each ($3,160) and 7 ADS at $71.82 each ($503), for a total of 51 ADS costing ~$3,663. These are purchases (acquisitions), which are typically viewed as more informative than routine sales.

Key Details

• Transaction date: 2026‑05‑08; Filing date: 2026‑05‑11 (file appears to be timely).
• Prices: $71.82 per share for both lots; totals $3,160 and $503 respectively, combined ~$3,663.
• Shares acquired: 51 ADS in total.
• ADS conversion: Footnote F1 — each American Depositary Share (ADS) represents five (5) common shares; 51 ADS = 255 common shares.
• Footnote F3: the reported dollar price was translated from NT$2,257.1777 at NT$31.429 = US$1.
• Shares owned after the transaction are not disclosed in the provided data.
• Other footnotes in the filing reference ESPP mechanics (F2, F4, F5) but the reported transactions here are open‑market purchases.

Context

• These were straightforward open‑market purchases (transaction code P). The dollar amount is small relative to typical insider transactions for large-cap issuers, so this indicates a personal purchase but not a large-scale stake change. No options exercise, gift, or special 10b5‑1 plan is indicated in the provided details.