Congress WatchTSM stock trades by members of Congress
Taiwan Semiconductor Manufacturing Company Ltd.: 29 members of Congress disclosed 117 transactions between 2014-06-18 and 2026-10-22, 52 purchases and 65 sales.
117transactions
52purchases
65sales
29politicians
Activity by year
Transactions by the year the report was filed.
TSM price and Congress trades
Daily closing price (split-adjusted). Dots mark days members of Congress filed trades in TSM: green when more were purchases, red when more were sales. Use + and − (or Ctrl/⌘ + scroll) to zoom and drag to pan. Hover a month in the heatmap below to highlight it here, or click it to zoom to that month.
Congress buying and selling by month
Purchases and sales of TSM reported by members of the House and Senate.
Green months had more purchases, red months more sales, teal an even split; darker means more trades. Months are by filing date. Senate filings after August 2026 and scanned House filings are not fully covered, so early years can look quieter than they were.
Who traded TSM
| Politician | Trades | Buys | Sales | Last filing |
|---|---|---|---|---|
| Josh Gottheimer | 20 | 3 | 17 | 2025-05-14 |
| Cleo Fields | 14 | 14 | 0 | 2026-10-22 |
| Lisa McClain | 11 | 6 | 5 | 2025-11-21 |
| Greg Gianforte | 10 | 2 | 8 | 2020-08-18 |
| Katherine M. Clark | 9 | 2 | 7 | 2021-10-14 |
| Gilbert Cisneros | 7 | 6 | 1 | 2026-10-12 |
| Julia Letlow | 4 | 2 | 2 | 2026-03-12 |
| Thomas MacArthur | 4 | 1 | 3 | 2015-06-07 |
| Peter Meijer | 3 | 0 | 3 | 2021-03-16 |
| Richard W. Allen | 3 | 3 | 0 | 2026-09-22 |
| Jared Moskowitz | 3 | 3 | 0 | 2025-11-22 |
| Valerie Hoyle | 3 | 2 | 1 | 2025-10-10 |
| Donna Shalala | 3 | 2 | 1 | 2020-04-27 |
| Shelley M Capito | 2 | 1 | 1 | 2019-04-17 |
| Bruce Westerman | 2 | 1 | 1 | 2025-05-12 |
| Mikie Sherrill | 2 | 0 | 2 | 2019-07-08 |
| Pete Sessions | 2 | 1 | 1 | 2022-02-11 |
| Marjorie Taylor Greene | 2 | 2 | 0 | 2021-06-21 |
| Thomas Suozzi | 2 | 1 | 1 | 2021-11-05 |
| Daniel Goldman | 2 | 0 | 2 | 2023-08-13 |
| Patty Murray | 1 | 0 | 1 | 2017-06-22 |
| Sean Patrick Maloney | 1 | 0 | 1 | 2021-04-02 |
| Sara Jacobs | 1 | 0 | 1 | 2021-05-28 |
| Sheri Biggs | 1 | 0 | 1 | 2025-10-05 |
| Nicholas Van Taylor | 1 | 0 | 1 | 2019-04-15 |
Disclosed transactions
Download all transactions as CSV
| Filed | Traded | Politician | Type | Amount | Filing |
|---|---|---|---|---|---|
| 2026-10-22 | 2026-10-09 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2026-10-12 | 2026-09-22 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-09-22 | 2026-08-12 | Richard W. Allen | Buy | $1,001 - $15,000 | Source |
| 2026-07-30 | 2026-07-10 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2026-06-16 | 2026-05-08 | Richard W. Allen | Buy | $1,001 - $15,000 | Source |
| 2026-04-20 | 2026-04-09 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2026-03-12 | 2026-02-02 | Julia Letlow | Buy | $1,001 - $15,000 | Source |
| 2026-03-11 | 2026-02-19 | Richard W. Allen | Buy | $1,001 - $15,000 | Source |
| 2026-03-09 | 2026-02-09 | Gilbert Cisneros | Buy | $100,001 - $250,000 | Source |
| 2026-03-09 | 2026-02-26 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-02-13 | 2026-01-30 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-02-03 | 2026-01-08 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2026-01-13 | 2024-10-23 | Julia Letlow | Buy | $15,001 - $50,000 | Source |
| 2026-01-13 | 2025-01-24 | Julia Letlow | Partial sale | $1,001 - $15,000 | Source |
| 2026-01-13 | 2025-07-24 | Julia Letlow | Partial sale | $1,001 - $15,000 | Source |
| 2026-01-12 | 2025-12-24 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 | Source |
| 2025-12-15 | 2025-11-18 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-11-22 | 2025-10-10 | Jared Moskowitz | Buy | $1,001 - $15,000 | Source |
| 2025-11-22 | 2025-10-10 | Jared Moskowitz | Buy | $1,001 - $15,000 | Source |
| 2025-11-22 | 2025-10-10 | Jared Moskowitz | Buy | $1,001 - $15,000 | Source |
| 2025-11-21 | 2025-10-31 | Lisa McClain | Sale | $1,001 - $15,000 | Source |
| 2025-11-21 | 2025-10-30 | Lisa McClain | Sale | $1,001 - $15,000 | Source |
| 2025-11-21 | 2025-10-30 | Lisa McClain | Buy | $1,001 - $15,000 | Source |
| 2025-11-21 | 2025-10-14 | Lisa McClain | Partial sale | $1,001 - $15,000 | Source |
| 2025-11-18 | 2025-10-17 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-11-12 | 2025-10-23 | Cleo Fields | Buy | $100,001 - $250,000 | Source |
| 2025-10-10 | 2025-09-23 | Valerie Hoyle | Sale | $1,001 - $15,000 | Source |
| 2025-10-05 | 2025-03-18 | Sheri Biggs | Sale | $1,001 - $15,000 | Source |
| 2025-09-12 | 2025-08-28 | Lisa McClain | Partial sale | $50,001 - $100,000 | Source |
| 2025-09-12 | 2025-05-06 | Valerie Hoyle | Buy | $1,001 - $15,000 | Source |
| 2025-09-12 | 2024-10-29 | Valerie Hoyle | Buy | $1,001 - $15,000 | Source |
| 2025-09-03 | 2025-08-13 | Cleo Fields | Buy | $50,001 - $100,000 | Source |
| 2025-09-03 | 2025-08-13 | Cleo Fields | Buy | $250,001 - $500,000 | Source |
| 2025-09-03 | 2025-08-15 | Cleo Fields | Buy | $15,001 - $50,000 | Source |
| 2025-09-03 | 2025-08-15 | Cleo Fields | Buy | $15,001 - $50,000 | Source |
| 2025-09-03 | 2025-08-01 | Cleo Fields | Buy | $100,001 - $250,000 | Source |
| 2025-09-03 | 2025-08-13 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2025-09-03 | 2025-08-01 | Cleo Fields | Buy | $1,001 - $15,000 | Source |
| 2025-08-13 | 2024-10-23 | Lisa McClain | Partial sale | $50,001 - $100,000 | Source |
| 2025-08-13 | 2024-06-06 | Lisa McClain | Buy | $15,001 - $50,000 | Source |
| 2025-08-13 | 2024-03-11 | Lisa McClain | Buy | $15,001 - $50,000 | Source |
| 2025-08-13 | 2024-11-07 | Lisa McClain | Buy | $100,001 - $250,000 | Source |
| 2025-08-13 | 2025-06-17 | Lisa McClain | Buy | $1,001 - $15,000 | Source |
| 2025-08-13 | 2025-06-09 | Lisa McClain | Buy | $1,001 - $15,000 | Source |
| 2025-08-06 | 2025-07-17 | Cleo Fields | Buy | $100,001 - $250,000 | Source |
| 2025-07-01 | 2025-06-25 | Cleo Fields | Buy | $100,001 - $250,000 | Source |
| 2025-05-14 | 2025-04-09 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2025-05-12 | 2025-04-21 | Bruce Westerman | Sale | $1,001 - $15,000 | Source |
| 2025-04-16 | 2025-03-03 | Bruce Westerman | Buy | $1,001 - $15,000 | Source |
| 2025-04-14 | 2025-03-11 | Julie Johnson | Sale | $1,001 - $15,000 | Source |
| 2025-04-10 | 2025-03-04 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2025-03-27 | 2025-03-03 | Rob Bresnahan | Sale | $1,001 - $15,000 | Source |
| 2025-02-10 | 2025-01-28 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-11-06 | 2024-10-24 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-11-06 | 2024-10-04 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-10-03 | 2024-09-23 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-08-15 | 2024-07-05 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-07-09 | 2024-06-21 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-04-07 | 2024-03-12 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-03-07 | 2024-02-09 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2024-02-15 | 2024-01-18 | Josh Gottheimer | Buy | $1,001 - $15,000 | Source |
| 2023-08-13 | 2023-07-10 | Daniel Goldman | Sale | $50,001 - $100,000 | Source |
| 2023-04-20 | 2023-03-09 | Josh Gottheimer | Buy | $1,001 - $15,000 | Source |
| 2023-03-20 | 2023-02-27 | Daniel Goldman | Partial sale | $50,001 - $100,000 | Source |
| 2022-04-17 | 2022-03-30 | Josh Gottheimer | Partial sale | $1,001 - $15,000 | Source |
| 2022-02-11 | 2021-11-16 | Pete Sessions | Sale | $1,001 - $15,000 c | Source |
| 2021-11-05 | 2021-10-06 | Thomas Suozzi | Sale | $15,001 - d $50,000 | Source |
| 2021-10-14 | 2021-09-16 | Katherine M. Clark | Sale | $1,001 - $15,000 d | Source |
| 2021-09-23 | 2021-06-11 | Thomas Suozzi | Buy | $15,001 - c $50,000 | Source |
| 2021-06-21 | 2021-06-16 | Marjorie Taylor Greene | Buy | $1,001 - $15,000 g | Source |
| 2021-05-28 | 2021-04-09 | Sara Jacobs | Sale | $50,001 - g $100,000 | Source |
| 2021-05-03 | 2021-03-10 | Pete Sessions | Buy | $1,001 - $15,000 f | Source |
| 2021-04-02 | 2020-06-26 | Sean Patrick Maloney | Sale | $1,001 - $15,000 g | Source |
| 2021-03-16 | 2021-02-17 | Peter Meijer | Sale | $50,001 - b $100,000 | Source |
| 2021-03-10 | 2021-02-03 | Josh Gottheimer | Partial sale | $1,001 - $15,000 g | Source |
| 2021-03-02 | 2021-02-08 | Katherine M. Clark | Sale | $1,001 - $15,000 g | Source |
| 2021-03-02 | 2021-02-08 | Katherine M. Clark | Sale | $1,001 - $15,000 c | Source |
| 2021-02-23 | 2021-02-08 | Peter Meijer | Partial sale | $1,001 - $15,000 g | Source |
| 2021-02-23 | 2021-01-13 | Peter Meijer | Partial sale | $1,001 - $15,000 d | Source |
| 2021-02-19 | 2021-01-22 | Marjorie Taylor Greene | Buy | $1,001 - $15,000 g | Source |
| 2021-02-09 | 2021-01-11 | Josh Gottheimer | Partial sale | $1,001 - $15,000 f | Source |
| 2020-12-28 | 2020-11-05 | Katherine M. Clark | Sale | $1,001 - $15,000 f | Source |
| 2020-12-03 | 2020-10-22 | Katherine M. Clark | Sale | $1,001 - $15,000 c | Source |
| 2020-12-03 | 2020-10-22 | Katherine M. Clark | Sale | $1,001 - $15,000 c | Source |
| 2020-09-20 | 2020-08-04 | Josh Gottheimer | Partial sale | $1,001 - $15,000 e | Source |
| 2020-08-18 | 2020-08-04 | Greg Gianforte | Partial sale | $50,001 - d $100,000 | Source |
| 2020-08-10 | 2020-07-27 | Josh Gottheimer | Partial sale | $1,001 - $15,000 d | Source |
| 2020-08-03 | 2020-07-28 | Greg Gianforte | Partial sale | $100,001 - f $250,000 | Source |
| 2020-05-13 | 2020-04-17 | Josh Gottheimer | Buy | $1,001 - $15,000 g | Source |
| 2020-04-27 | 2019-06-24 | Donna Shalala | Sale | $15,001 - c $50,000 | Source |
| 2020-04-27 | 2019-04-11 | Donna Shalala | Buy | $1,001 - $15,000 f | Source |
| 2020-04-27 | 2019-02-15 | Donna Shalala | Buy | $1,001 - $15,000 d | Source |
| 2020-04-11 | 2020-03-12 | Josh Gottheimer | Partial sale | $1,001 - $15,000 g | Source |
| 2020-03-18 | 2020-03-13 | Greg Gianforte | Sale | $50,001 - g $100,000 | Source |
| 2020-02-14 | 2020-01-13 | Greg Gianforte | Sale | $50,001 - d $100,000 | Source |
| 2020-02-05 | 2020-01-03 | Greg Gianforte | Buy | $50,001 - c $100,000 | Source |
| 2019-12-31 | 2019-12-17 | Greg Gianforte | Partial sale | $15,001 - c $50,000 | Source |
| 2019-12-11 | 2019-11-05 | Katherine M. Clark | Sale | $1,001 - $15,000 f | Source |
| 2019-11-27 | 2019-10-15 | Greg Gianforte | Partial sale | $15,001 - b $50,000 | Source |
| 2019-10-30 | 2019-09-27 | Greg Gianforte | Partial sale | $15,001 - g $50,000 | Source |
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Common questions
- Are members of Congress buying or selling TSM?
- 29 members of Congress disclosed 117 transactions in Taiwan Semiconductor Manufacturing Company Ltd. (TSM) between 2014-06-18 and 2026-10-22: 52 purchases and 65 sales.
- How active was Congress in TSM recently?
- In 2026 filings, 16 transactions in TSM were disclosed: 13 purchases and 3 sales.
- Which members of Congress trade TSM?
- The most active in TSM are Josh Gottheimer (20), Cleo Fields (14) and Lisa McClain (11), by number of disclosed transactions. 29 members in all have traded it.