Tien Bor-Zen purchased $4K of TSM (indirect holdings)
Tien Bor-Zen (VP) purchased 47 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $79.39 across 2 trades on 2026-10-07.
How this was made
The 30-second read
Why it matters
The filing adds a new, albeit tiny, data point to TSM's insider activity record.
Market read
The transaction is too small to affect price or sector dynamics.
What to watch
The purchase was made under an open-market code, not a 10b5‑1 plan, indicating discretionary intent.
Background
SEC Form 4 filing discloses insider transactions for public companies.
Ticker impact
VP Tien Bor-Zen bought 47 shares for $3,731, raising holdings to 92 shares.
little to no price movement as the buy size is trivial.
The transaction amount is under $5k and represents a tiny fraction of float; traders are unlikely to react.
Market effects
No material effect on the semiconductor sector.
No regional impact; the filing is isolated to TSM.
Insignificant for global markets.
Counterpoint
Even small insider buys can signal confidence, but the size here is too small to infer meaningful sentiment.
Key entities
- companyTaiwan Semiconductor Manufacturing Co Ltd
Global semiconductor foundry listed on NYSE as TSM.
- personTien Bor-Zen
Vice President and officer at TSM.
