TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD·4

May 21, 7:21 AM ET

Tien Bor-Zen 4

4 · TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD · Filed May 21, 2026

Research Summary

AI-generated summary of this filing

Updated

TSM VP Tien Bor‑Zen Buys 17 ADS Shares

What Happened

Tien Bor‑Zen, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSM), made two open‑market purchases (code P). On 2026-05-19 he bought 10 ADS at $391.81 each for $3,918, and on 2026-05-20 he bought 7 ADS at $400.00 each for $2,800 — a total of 17 ADS costing $6,718. These transactions are purchases (often viewed positively), though they appear to be routine employee plan activity.

Key Details

  • Transaction dates and prices: 2026-05-19 — 10 ADS @ $391.81 ($3,918); 2026-05-20 — 7 ADS @ $400.00 ($2,800).
  • Total acquired: 17 ADS (equivalent to 85 common shares); total cash spent $6,718.
  • Shares owned after transaction: Not specified in the provided filing.
  • Footnotes: F1 — each American Depositary Share (ADS) represents 5 common shares; F2 — shares purchased and held under the issuer’s Employee Stock Purchase Plan (ESPP).
  • Filing timeliness: Report lists Period of Report 2026-05-19 and was filed 2026-05-21 — appears timely (filed within the normal two business‑day window).

Context

  • ADS note: 17 ADS = 85 underlying common shares (ADS are the U.S. tradeable form).
  • ESPP purchases: Footnote indicates these were ESPP transactions, which are common for employees and often involve small, periodic purchases rather than large strategic buys.
  • Code: P = Purchase. There is no indication of option exercises, gifts, or tax withholding in this filing.

Insider Transaction Report

Form 4
Period: 2026-05-19
Transactions
  • Purchase

    American Depositary Shares (TSM)

    [F1]
    2026-05-19$391.81/sh+10$3,918100 total
  • Purchase

    American Depositary Shares (TSM)

    [F1]
    2026-05-20$400.00/sh+7$2,800107 total
Holdings
  • Common Shares (2330.TW)

    11,051
  • Common Shares (2330.TW)

    [F2]
    (indirect: By Trust)
    145
  • Common Shares (2330.TW)

    (indirect: By Immediate Family Member)
    60
Footnotes (2)
  • [F1]Each American Depositary Share represents five (5) Common Shares.
  • [F2]Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
Signature
/s/ Jen-Chau Huang, as attorney-in-fact|2026-05-21

Documents

1 file
  • 4
    wk-form4_1779362474.xmlPrimary

    FORM 4