Tien Bor-Zen 4
4 · TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD · Filed May 21, 2026
Research Summary
AI-generated summary of this filing
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
Transactions
- Purchase
American Depositary Shares (TSM)
[F1]2026-05-19$391.81/sh+10$3,918→ 100 total - Purchase
American Depositary Shares (TSM)
[F1]2026-05-20$400.00/sh+7$2,800→ 107 total
Holdings
- 11,051
Common Shares (2330.TW)
- 145(indirect: By Trust)
Common Shares (2330.TW)
[F2] - 60(indirect: By Immediate Family Member)
Common Shares (2330.TW)
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