Tien Bor-Zen Insider Trades & Stock Holdings

VP · Taiwan Semiconductor Manufacturing Company Limited · Latest filing Oct 7, 2026

Tien Bor-Zen, VP at Taiwan Semiconductor Manufacturing Company Limited has 1 Form 4 trade on file since Oct 7, 2026. Open-market activity: 1 purchase ($3.73K) and 0 sales ($0), net +$3.73K. Latest filing: acquired 47 shares of $TSM on Oct 7, 2026 at $79.39.

Trades on file

1

Open-market bought

$3.73K

Open-market sold

$0

Net open-market

+$3.73K

Latest filing

Oct 7, 2026

All insider trades by Tien Bor-Zen

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 7, 2026	$TSM	Buy (Open-market buy)	47	$79.39	$3.73K			-8.9%			VP		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Tien Bor-Zen traded

• $TSM

Frequently asked questions

Has Tien Bor-Zen been buying or selling stock?

Tien Bor-Zen has 1 open-market purchase and 0 open-market sales on file, net +$3.73K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Tien Bor-Zen's latest insider trade?

acquired 47 shares of $TSM on Oct 7, 2026 at $79.39.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.