Tien Bor-Zen
Tien Bor-Zen, VP, reported an open-market or private purchase at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD involving 5.000000 shares for an estimated $381.00. Reported holdings after the transaction were 85.000000 shares. A 10b5-1 reference was not detected in the stored filing text.
- Trade date
- Sep 07, 2026
- Filing date
- Sep 09, 2026
How reported position traded is calculated
Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 80 shares.
Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.
TSM price since this filing
Daily closing prices, with the filing date and available return windowsTransaction facts
Stored Form 4 columns with their raw values
- Type
- Buy Code P
- Identifier
- 0001046179-26-000643 Common Shares (2330.TW)
- Transaction date
- Sep 07, 2026 Filed Sep 09, 2026, 10:07 AM · 2d delay
- Shares
- 5 sh $76.20 per share
- Estimated value
- $381 Computed from shares × price
- Holdings after
- 85 sh Indirect · By Immediate Family Member
+16 points
Compact filing score computed from stored Form 4 facts. Version v1.
This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.
How this score is calculated
- open_market_purchase+12 points
transaction_code = P
Code P is a discretionary open-market purchase. - timely_filing+4 points
reporting_delay_days = 2
Filing reported within two business days of the transaction.
Signed filing-only points, not a probability or expected return. Version v1.
Reported relationships & other filings
Form 4 relationship flags and nearby filing context
VP
- F1
Each American Depositary Share represents five (5) Common Shares.
- F2
Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer pursuant to terms predetermined by the issuer.
- F3
The price was translated from the average purchase price of NT$2,404.3453 in New Taiwan dollars, at the rate of NT$31.552 to US$1.
- F4
Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
- F5
Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer's Immediate Family Member, who is a TSMC employee, pursuant to terms predeterm…
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