Transaction · 0001046179-26-000604
TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Chin Yung-Pei
Chin Yung-Pei, ECC, reported an open-market or private purchase at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD involving 71.000000 shares for an estimated $5410.20. Reported holdings after the transaction were 8506.000000 shares. A 10b5-1 reference was not detected in the stored filing text.
Open-market buySEC transaction code PECC
- 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: 8,435 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 windowsTSM · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -3.5%1w ago -4.6%1d ago -1.5%
Returns since7d -4.1%30d +5.2%90d180d1y
Transaction facts
Stored Form 4 columns with their raw values
- Type
- Buy Code P
- Identifier
- 0001046179-26-000604 Common Shares (2330.TW)
- Transaction date
- Sep 07, 2026 Filed Sep 09, 2026, 10:03 AM · 2d delay
- Shares
- 71 sh $76.20 per share
- Estimated value
- $5.41k Computed from shares × price
- Holdings after
- 8,506 sh Indirect · By ESPP Trust
Filing-only score
+16 points
Compact filing score computed from stored Form 4 facts. Version v1.
Positive filing signal
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
Reported roles
EVP and Co-COO
Officer YesDirector No10% NoOther No
Footnotes & amended
- F1
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.
- F2
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.
- F3
Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP").
- F4
Represents Common Shares purchased by a trust with cash received under the issuer's Long-Term Incentive ("LTI") Bonus Plan, over which the filer has obtained investment control.
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