TSMC (TSM) VP Tien Bor‑Zen Buys Shares

What Happened

• Tien Bor‑Zen, a Vice President at Taiwan Semiconductor Manufacturing Co. (TSM/TSMC), acquired a total of 48 American Depositary Shares (ADS) on 2026-09-07 in two ESPP purchases: 43 ADS at $76.20 ($3,277) and 5 ADS at $76.20 ($381), totaling $3,657.60 (~$3,658). Each ADS represents five common shares, so the purchase equals 240 common shares.
• This was a purchase (ESPP acquisition), which insider-buy transactions often indicate personal accumulation rather than selling.

Key Details

• Transaction date: 2026-09-07; Filing date: 2026-09-09 (filed two days after the transaction).
• Price: $76.20 per ADS (price translated from NT$2,404.3453 at NT$31.552 = US$1 per the filing).
• Shares acquired: 43 ADS ($3,277) and 5 ADS ($381); total 48 ADS = $3,657.60.
• Underlying common shares: 48 ADS × 5 = 240 common shares.
• Footnotes: Purchases were executed by the ESPP administrator on behalf of the filer and an immediate family member and are held under the issuer’s ESPP (see F1–F5).
• Shares owned after the transaction: Not provided in the excerpt.

Context

• These purchases were made through the company’s Employee Stock Purchase Plan (ESPP), a routine benefit that buys stock at pre-set intervals/terms; such ESPP purchases are common and do not necessarily signal a change in company outlook.
• Filing appears timely (Form 4 filed two days after the transaction), so no late-filing flag is indicated.