Che-Chia WeiFiled
Chairman and CEOExecutiveDirectorCIK 2113717
- TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTDChairman and CEOfiled Oct 8, 2026
Net · 12 months
$78.8K
Open-market buys − sales
Sold · 12 months
$0
$0 in 90d · 0 sales on record
Bought · 12 months
$78.8K
$22.8K in 90d · 7 buys on record
Under 10b5-1
—
Share of sale value under a trading plan
Last trade
Oct 7, 2026
Filed Oct 8, 2026 · 8 rows
Monthly open-market value · 24 months Filed
- Bought (open market)
- Sold (open market)
Unusual activity Estimated
Whale score 5Whale watch
- 50Insider overlapPublic Oct 22, 2026 · traded Oct 9, 2026
Rep. Cleo Fields bought TSM 2 days after its CEO bought $11K
Details
- Politician
- Cleo Fields
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Traded
- Oct 9, 2026
- Filed
- Oct 22, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 13
- Owner type
- self
- 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":"2026-10-07","shares":144,"price":79.39,"value":11432.16,"is_10b5_1":false,"filing_date":"2026-10-08"}
- Days between
- 2
- Opposite side
- No
- Public from
- Oct 22, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Oct 12, 2026 · traded Sep 22, 2026
Rep. Gilbert Ray Cisneros, Jr. bought TSM 15 days before its CEO bought $11K
Details
- Politician
- Gilbert Ray Cisneros, Jr.
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Traded
- Sep 22, 2026
- Filed
- Oct 12, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 20
- Owner type
- self
- 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":"2026-10-07","shares":144,"price":79.39,"value":11432.16,"is_10b5_1":false,"filing_date":"2026-10-08"}
- Days between
- -15
- Opposite side
- No
- Public from
- Oct 12, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Sep 22, 2026 · traded Aug 12, 2026
Rep. Rick W. Allen's spouse 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
- Traded
- Aug 12, 2026
- Filed
- Sep 22, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 41
- Owner type
- spouse
- 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,"filing_date":"2026-08-10"}
- Days between
- 5
- Opposite side
- No
- Public from
- Sep 22, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Jul 30, 2026 · traded Jul 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
- Traded
- Jul 10, 2026
- Filed
- Jul 30, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 20
- Owner type
- self
- 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,"filing_date":"2026-07-09"}
- Days between
- 3
- Opposite side
- No
- Public from
- Jul 30, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Jun 16, 2026 · traded May 8, 2026
Rep. Rick W. Allen's spouse 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
- Traded
- May 8, 2026
- Filed
- Jun 16, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 39
- Owner type
- spouse
- 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,"filing_date":"2026-05-11"}
- Days between
- 0
- Opposite side
- No
- Public from
- Jun 16, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Apr 20, 2026 · traded Apr 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
- Traded
- Apr 9, 2026
- Filed
- Apr 20, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 11
- Owner type
- self
- 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,"filing_date":"2026-04-13"}
- Days between
- 0
- Opposite side
- No
- Public from
- Apr 20, 2026
- Method version
- 2026-11-03
Transactions
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