Che-Chia WeiFiled
Chairman and CEOExecutiveDirectorCIK 2113717
- TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDChairman and CEOfiled Sep 9, 2026
Net · 12 months
$67.3K
Open-market buys − sales
Sold · 12 months
$0
$0 in 90d · 0 sales on record
Bought · 12 months
$67.3K
$33.7K in 90d · 6 buys on record
Under 10b5-1
—
Share of sale value under a trading plan
Last trade
Sep 7, 2026
Filed Sep 9, 2026 · 7 rows
Monthly open-market value · 24 months Filed
- Bought (open market)
- Sold (open market)
Unusual activity Estimated
Whale score 5Whale watch
- 50Insider overlapAug 12, 2026
Rep. Rick W. Allen bought TSM 5 days after its CEO bought $11K
Details
- Politician
- Rick W. Allen
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Tx date
- Aug 12, 2026
- Filing date
- Sep 22, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 41
- Is whale
- No
- Insider trade
- {"insider":{"slug":"che-chia-wei","name":"Che-Chia Wei","title":"Chairman and CEO","short_title":"CEO"},"company":"TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD","ticker":"TSM","tx_kind":"open_market_buy","tx_date":"2026-08-07","shares":152,"price":73.31,"value":11143.12,"is_10b5_1":false}
- Days between
- 5
- Opposite side
- No
- 50Insider overlapJul 10, 2026
Rep. Cleo Fields bought TSM 3 days after its CEO bought $11K
Details
- Politician
- Cleo Fields
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Tx date
- Jul 10, 2026
- Filing date
- Jul 30, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 20
- Is whale
- No
- Insider trade
- {"insider":{"slug":"che-chia-wei","name":"Che-Chia Wei","title":"Chairman and CEO","short_title":"CEO"},"company":"TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD","ticker":"TSM","tx_kind":"open_market_buy","tx_date":"2026-07-07","shares":146,"price":76.62,"value":11186.52,"is_10b5_1":false}
- Days between
- 3
- Opposite side
- No
- 50Insider overlapMay 8, 2026
Rep. Rick W. Allen bought TSM the same day its CEO bought $11K
Details
- Politician
- Rick W. Allen
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Tx date
- May 8, 2026
- Filing date
- Jun 16, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 39
- Is whale
- No
- Insider trade
- {"insider":{"slug":"che-chia-wei","name":"Che-Chia Wei","title":"Chairman and CEO","short_title":"CEO"},"company":"TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD","ticker":"TSM","tx_kind":"open_market_buy","tx_date":"2026-05-08","shares":160,"price":71.82,"value":11491.2,"is_10b5_1":false}
- Days between
- 0
- Opposite side
- No
- 50Insider overlapApr 9, 2026
Rep. Cleo Fields bought TSM the same day its CEO bought $11K
Details
- Politician
- Cleo Fields
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Tx date
- Apr 9, 2026
- Filing date
- Apr 20, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 11
- Is whale
- No
- Insider trade
- {"insider":{"slug":"che-chia-wei","name":"Che-Chia Wei","title":"Chairman and CEO","short_title":"CEO"},"company":"TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD","ticker":"TSM","tx_kind":"open_market_buy","tx_date":"2026-04-09","shares":186,"price":57.87,"value":10763.82,"is_10b5_1":false}
- Days between
- 0
- Opposite side
- No
Transactions
Independent third-party platform; not affiliated with or endorsed by any member of Congress. Data sourced from publicly available filings and records. Portfolio, holdings, returns, and allocations are estimates and may differ from actual values. Informational and educational only; not investment advice. Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4; the whale score is a model ranking of that filed activity.