Tien Bor-Zen
VP · 2 recent trades · Bought $454K
Tien Bor-Zen (VP) has 2 recent open-market trades disclosed in SEC Form 4 filings. Total buys: $454K. Most recent tickers: TSM.
Open-market insider buys and sells disclosed by Tien Bor-Zen in SEC Form 4 filings (excludes routine option/RSU administration). All insider trades →
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FAQ ▾
Which stocks has Tien Bor-Zen traded?
Recent Form 4 activity in: TSM.
How many insider trades has Tien Bor-Zen disclosed?
2 recent open-market transactions on file (SEC Form 4).
Is Tien Bor-Zen buying or selling?
Buys total $454K.
Where does this data come from?
SEC Form 4 insider-transaction filings (open-market buys and sells).
Sourced from SEC Form 4 insider filings · Not investment advice ▾
Data as of 2026-07-21 · Methodology
Open-market insider transactions (Form 4 codes P/S) as reported to the SEC.
Published by WealthFile · Not investment advice.