TSMTaiwan Semiconductor Manufacturing Company Limited
Technology · SemiconductorsNYSEStockMkt cap $2.3T
Disclosed trades
99
1 in 30d · 3 in 90d
Politicians
23
Last trade Oct 9, 2026
Buys
48
$2M at range midpoints
Sells
51
$1.2M at range midpoints
Closing price · 365 days
Nov 6, 2025 – Nov 5, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
9 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| DJosh Gottheimer | House · NJ-05 | 19 | 3 | 16 | $24K | $128K | Apr 9, 2025 | — |
| DCleo Fields | House · LA-06 | 14 | 14 | 0 | $1.3M | $0 | Oct 9, 2026 | $1.8M |
| RLisa C. McClain | House · MI-09 | 11 | 6 | 5 | $264K | $174K | Oct 31, 2025 | $225.4K |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 7 | 6 | 1 | $215K | $8K | Sep 22, 2026 | $206.4K |
| DKatherine M. Clark | House · MA-05 | 6 | 0 | 6 | $0 | $48K | Sep 16, 2021 | — |
| RGreg Gianforte | House · MT-00 | 5 | 1 | 4 | $75K | $400K | Aug 4, 2020 | — |
| RJulia Letlow | House · LA-05 | 4 | 2 | 2 | $40.5K | $16K | Feb 2, 2026 | $41K |
| DDonna E. Shalala | House · FL-27 | 3 | 2 | 1 | $16K | $32.5K | Jun 24, 2019 | — |
| DJared Moskowitz | House · FL-23 | 3 | 3 | 0 | $24K | $0 | Oct 10, 2025 | $30.2K |
| RPeter Meijer | House · MI-03 | 3 | 0 | 3 | $0 | $91K | Feb 17, 2021 | — |
| RRick W. Allen | House · GA-12 | 3 | 3 | 0 | $24K | $0 | Aug 12, 2026 | $21.3K |
| RTommy Tuberville | Senate · AL | 3 | 1 | 2 | $8K | $16K | Mar 21, 2023 | — |
| DVal T. Hoyle | House · OR-04 | 3 | 2 | 1 | $16K | $8K | Sep 23, 2025 | $20.7K |
| RBruce Westerman | House · AR-04 | 2 | 1 | 1 | $8K | $8K | Apr 21, 2025 | — |
| DDaniel S. Goldman | House · NY-10 | 2 | 0 | 2 | $0 | $150K | Jul 10, 2023 | — |
| RMarjorie Taylor Greene | House · GA-14 | 2 | 2 | 0 | $16K | $0 | Jun 16, 2021 | $45.8K |
| RPete Sessions | House · TX-17 | 2 | 1 | 1 | $8K | $8K | Nov 16, 2021 | $893 |
| DThomas R. Suozzi | House · NY-03 | 2 | 1 | 1 | $32.5K | $32.5K | Oct 6, 2021 | — |
| DJulie Johnson | House · TX-32 | 1 | 0 | 1 | $0 | $8K | Mar 11, 2025 | — |
| RRobert P. Bresnahan, Jr. | House · PA-08 | 1 | 0 | 1 | $0 | $8K | Mar 3, 2025 | — |
| DSara Jacobs | House · CA-51 | 1 | 0 | 1 | $0 | $75K | Apr 9, 2021 | — |
| DSean Patrick Maloney | House · NY-18 | 1 | 0 | 1 | $0 | $8K | Jun 26, 2020 | — |
| RSheri Biggs | House · SC-03 | 1 | 0 | 1 | $0 | $8K | Mar 18, 2025 | — |
Option trades on TSM
| Member | Trade | Type | Strike | Expiry | Contracts | Amount (disclosed) | Traded | Status | Source |
|---|---|---|---|---|---|---|---|---|---|
| DRo Khanna | Buy | call | $34 | Feb 13, 2026 | — | $15,001 - $50,000 | Feb 13, 2026 | expired | FilingOCR |
| DRo Khanna | Buy | call | $210 | Jul 11, 2025 | — | $1,001 - $15,000 | Jul 11, 2025 | expired | FilingOCR |
| DRo Khanna | Buy | call | $187.50 | Jun 13, 2025 | — | $1,001 - $15,000 | Jun 13, 2025 | expired | FilingOCR |
| DRo Khanna | Buy | call | $165 | Jul 12, 2024 | — | $1,001 - $15,000 | Jul 12, 2024 | expired | FilingOCR |
| DRo Khanna | Buy | call | $112.50 | Mar 8, 2024 | — | $1,001 - $15,000 | Mar 8, 2024 | expired | FilingOCR |
| DRo Khanna | Buy | call | $110 | Feb 9, 2024 | — | $1,001 - $15,000 | Feb 9, 2024 | expired | FilingOCR |
| DRo Khanna | Buy | call | $93 | Jul 14, 2023 | — | $1,001 - $15,000 | Jul 14, 2023 | expired | FilingOCR |
| RTommy Tuberville | Buy | put | $75 | Sep 15, 2023 | — | $1,001 - $15,000 | Mar 21, 2023 | expired | Filing |
| RTommy Tuberville | Sell | put | $75 | Sep 15, 2023 | — | $1,001 - $15,000 | Nov 23, 2022 | — | Filing |
| RTommy Tuberville | Sell | put | $75 | Sep 15, 2023 | — | $1,001 - $15,000 | Nov 23, 2022 | — | Filing |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|---|
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -10.3% | Oct 9, 2026 | Oct 22, 202613d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -14.7% | Sep 22, 2026 | Oct 12, 202620d | Filing |
| RRick W. Allen | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | -16.7% | Aug 12, 2026 | Sep 22, 202641d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -11.3% | Jul 10, 2026 | Jul 30, 202620d | Filing |
| RRick W. Allen | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | -14.8% | May 8, 2026 | Jun 16, 202639d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -7.0% | Apr 9, 2026 | Apr 20, 202611d | Filing |
| RJulia Letlow | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -5.2% | Feb 2, 2026 | Mar 12, 202638d | Filing |
| RRick W. Allen | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | -8.8% | Feb 19, 2026 | Mar 11, 202620d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -6.8% | Feb 26, 2026 | Mar 9, 202611d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $100,001 - $250,000 | -6.8% | Feb 9, 2026 | Mar 9, 202628d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -11.1% | Jan 30, 2026 | Feb 13, 202614d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | -1.1% | Jan 8, 2026 | Feb 3, 202626d | Filing |
| RJulia Letlow | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Self | $1,001 - $15,000 | -1.0% | Jul 24, 2025 | Jan 13, 2026173d | Filing |
| RJulia Letlow | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Self | $1,001 - $15,000 | -1.0% | Jan 24, 2025 | Jan 13, 2026354d | Filing |
| RJulia Letlow | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $15,001 - $50,000 | +1.0% | Oct 23, 2024 | Jan 13, 2026447d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Self | $1,001 - $15,000 | -1.0% | Dec 24, 2025 | Jan 12, 202619d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +15.0% | Nov 18, 2025 | Dec 15, 202527d | Filing |
| DJared Moskowitz | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Dependent | $1,001 - $15,000 | +14.4% | Oct 10, 2025 | Nov 22, 202543d | Filing |
| DJared Moskowitz | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +14.4% | Oct 10, 2025 | Nov 22, 202543d | Filing |
| DJared Moskowitz | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Dependent | $1,001 - $15,000 | +14.4% | Oct 10, 2025 | Nov 22, 202543d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Spouse | $1,001 - $15,000 | -17.1% | Oct 31, 2025 | Nov 21, 202521d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | +17.1% | Oct 30, 2025 | Nov 21, 202522d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Spouse | $1,001 - $15,000 | -17.1% | Oct 30, 2025 | Nov 21, 202522d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Spouse | $1,001 - $15,000 | -17.1% | Oct 14, 2025 | Nov 21, 202538d | Filing |
| DGilbert Ray Cisneros, Jr. | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +16.0% | Oct 17, 2025 | Nov 18, 202532d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $100,001 - $250,000 | +14.2% | Oct 23, 2025 | Nov 12, 202520d | Filing |
| DVal T. Hoyle | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Spouse | $1,001 - $15,000 | -13.6% | Sep 23, 2025 | Oct 10, 202517d | Filing |
| RSheri Biggs | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Spouse | $1,001 - $15,000 | -7.6% | Mar 18, 2025 | Oct 5, 2025201d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Spouse | $50,001 - $100,000 | -24.7% | Aug 28, 2025 | Sep 12, 202515d | Filing |
| DVal T. Hoyle | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | +24.7% | May 6, 2025 | Sep 12, 2025129d | Filing |
| DVal T. Hoyle | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | +24.7% | Oct 29, 2024 | Sep 12, 2025318d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $15,001 - $50,000 | +38.7% | Aug 15, 2025 | Sep 3, 202519d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $15,001 - $50,000 | +38.7% | Aug 15, 2025 | Sep 3, 202519d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $250,001 - $500,000 | +38.7% | Aug 13, 2025 | Sep 3, 202521d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $50,001 - $100,000 | +38.7% | Aug 13, 2025 | Sep 3, 202521d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +38.7% | Aug 13, 2025 | Sep 3, 202521d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +38.7% | Aug 1, 2025 | Sep 3, 202533d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $100,001 - $250,000 | +38.7% | Aug 1, 2025 | Sep 3, 202533d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | +32.6% | Jun 17, 2025 | Aug 13, 202557d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $1,001 - $15,000 | +32.6% | Jun 9, 2025 | Aug 13, 202565d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $100,001 - $250,000 | +32.6% | Nov 7, 2024 | Aug 13, 2025279d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Spouse | $50,001 - $100,000 | -32.6% | Oct 23, 2024 | Aug 13, 2025294d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $15,001 - $50,000 | +32.6% | Jun 6, 2024 | Aug 13, 2025433d | Filing |
| RLisa C. McClain | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Spouse | $15,001 - $50,000 | +32.6% | Mar 11, 2024 | Aug 13, 2025520d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $100,001 - $250,000 | +36.8% | Jul 17, 2025 | Aug 6, 202520d | Filing |
| DCleo Fields | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $100,001 - $250,000 | +38.5% | Jun 25, 2025 | Jul 1, 20256d | Filing |
| DJosh Gottheimer | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Partial | Joint | $1,001 - $15,000 | -56.6% | Apr 9, 2025 | May 14, 202535d | Filing |
| RBruce Westerman | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Self | $1,001 - $15,000 | -63.1% | Apr 21, 2025 | May 12, 202521d | Filing |
| RBruce Westerman | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Buy | Self | $1,001 - $15,000 | +93.4% | Mar 3, 2025 | Apr 16, 202544d | Filing |
| DJulie Johnson | TSM | Taiwan Semiconductor Manufacturing Company Ltd. (TSM) | Sell | Joint | $1,001 - $15,000 | -90.6% | Mar 11, 2025 | Apr 14, 202534d | Filing |
Insider activity Filed
Insiders
33
Semiconductors & Related Devices
Open-market buys · 90d
66
$488.8K bought
Open-market sells · 90d
0
$0 sold
Net · 90d
$488.8K
-$10.7M net over 12 months · last Nov 1, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2026filed Nov 3, 2026 | Lipen YuanVP | Buy | Common Shares (2330.TW) | 1,000 | $71.49 | $71,490 | 8,000 | D | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Lipen YuanVP | Buy | Common Shares (2330.TW) | 40 | $79.39 | $3,176 | 1,341 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Choh Fei YeapSVP | Buy | Common Shares (2330.TW) | 52 | $79.39 | $4,128 | 53 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Kevin Xiaoqiang ZhangSVP and Deputy Co-COO | Buy | Common Shares (2330.TW) | 59 | $79.39 | $4,684 | 7,406 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Chue-San YooVP | Buy | Common Shares (2330.TW) | 50 | $79.39 | $3,970 | 6,744 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Shien-Yang WuSVP | Buy | Common Shares (2330.TW) | 53 | $79.39 | $4,208 | 6,915 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Che-Chia WeiChairman and CEO | Buy | Common Shares (2330.TW) | 144 | $79.39 | $11,432 | 18,280 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Yi-Huang WuVP | Buy | Common Shares (2330.TW) | 39 | $79.39 | $3,096 | 199 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Ying-Lang WangSVP | Buy | Common Shares (2330.TW) | 52 | $79.39 | $4,128 | 6,551 | I | — | 4 |
| Oct 7, 2026filed Oct 8, 2026 | Yuh-Jier MiiEVP and Co-COO | Buy | Common Shares (2330.TW) | 68 | $79.39 | $5,399 | 8,238 | I | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 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
- 41Hindsight movePublic Feb 23, 2026 · traded Jan 8, 2026
TSM rose 16% in the 30 trading days after Rep. Cleo Fields's buy (hindsight)
Details
- Politician
- Cleo Fields
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Traded
- Jan 8, 2026
- Filed
- Feb 3, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 26
- Owner type
- self
- Is whale
- No
- Entry date
- Jan 8, 2026
- Entry close
- 318.01
- Exit date
- Feb 23, 2026
- Exit close
- 370.04
- Forward return
- +16.4%
- Sign adjusted return
- +16.4%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Feb 23, 2026
- Method version
- 2026-11-03
- 48Hindsight movePublic Jan 13, 2026 · traded Jan 24, 2025
TSM fell 23% in the 30 trading days after Rep. Julia Letlow's partial sale (hindsight)
Details
- Politician
- Julia Letlow
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- partial_sale
- Traded
- Jan 24, 2025
- Filed
- Jan 13, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 354
- Owner type
- self
- Is whale
- No
- Entry date
- Jan 24, 2025
- Entry close
- 221.88
- Exit date
- Mar 10, 2025
- Exit close
- 170.65
- Forward return
- -23.1%
- Sign adjusted return
- +23.1%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jan 13, 2026
- Method version
- 2026-11-03
- 40Hindsight movePublic Jan 2, 2026 · traded Nov 18, 2025
TSM rose 15% in the 30 trading days after Rep. Gilbert Ray Cisneros, Jr.'s buy (hindsight)
Details
- Politician
- Gilbert Ray Cisneros, Jr.
- Ticker
- TSM
- Asset
- Taiwan Semiconductor Manufacturing Company Ltd. (TSM)
- Tx type
- buy
- Traded
- Nov 18, 2025
- Filed
- Dec 15, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 27
- Owner type
- self
- Is whale
- No
- Entry date
- Nov 18, 2025
- Entry close
- 277.91
- Exit date
- Jan 2, 2026
- Exit close
- 319.61
- Forward return
- +15.0%
- Sign adjusted return
- +15.0%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jan 2, 2026
- Method version
- 2026-11-03
- 30Cluster buyPublic Nov 22, 2025 · traded Oct 10, 2025
3 members bought TSM within 14 days
Details
- Ticker
- TSM
- Side
- buy
- Window days
- 14
- Window start
- Oct 10, 2025
- Window end
- Oct 23, 2025
- N politicians
- 3
- N trades
- 5
- Sum of range midpoints (estimate)
- $207K
- Has whale
- No
- Members
- Jared Moskowitz, Gilbert Ray Cisneros, Jr., Cleo Fields
- Tx ids
- 89,168, 89,169, 89,170, 89,790, 89,874
- Public from
- Nov 22, 2025
- Method version
- 2026-11-03