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Taiwan Semiconductor Manufacturing Company Limited (TSM)

Technology · Semiconductors

19 members of Congress have disclosed 82 trades in Taiwan Semiconductor Manufacturing Company Limited (TSM) since 2017: 48 buys and 33 sales. The most recent was disclosed on Oct 22, 2026. 1 trade was made by members of a committee that oversees Taiwan Semiconductor Manufacturing Company Limited's industry.

Trades disclosed
82
Members trading
19
Buys / sells
48 / 33
Reported value
$1.5M–$4.3M

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Research connections

Patterns in the available disclosures. Each source has its own timing and reporting limits.

4 congressional households disclosed buys

Disclosures in the past 90 days. These may cover different transaction dates and owners.

Congressional and company-insider purchases

4 congressional households and 30 company reporting owners disclosed purchases in the past 90 days. Each filing stands on its own.

What else is happening at TSM

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Company filings and public records connected to this stock, ordered by when they became public or were first observed.

  1. TSMInsider purchase·SEC EDGAR

    TSM: Yuan Lipen reported employee-plan purchases

    1 reported purchase of non-derivative securities. The footnotes identify an employee stock purchase plan; this is not a discretionary-buy signal. Code P includes open-market and private purchases; it does not establish motive.

    Public: Nov 3, 2026, 8:07 AM ESTEvent / period: Nov 1, 2026Original source ↗

    4 congressional households disclosed purchases in the past 90 days. See the trades

  2. TSMCompany announcement·SEC EDGAR

    TSM: 6-K company filing

    Filed 6-K for an event or period dated 2026-09-30. Read the company report for its disclosures.

    Public: Oct 22, 2026, 6:02 AM EDTEvent / period: Sep 30, 2026Original source ↗

    4 congressional households disclosed purchases in the past 90 days. See the trades

  3. TSMCompany announcement·SEC EDGAR

    TSM: 6-K company filing

    Filed 6-K for an event or period dated 2026-09-30. Read the company report for its disclosures.

    Public: Oct 15, 2026, 6:40 AM EDTEvent / period: Sep 30, 2026Original source ↗

    4 congressional households disclosed purchases in the past 90 days. See the trades

  4. TSMInsider purchase·SEC EDGAR

    TSM: Yuan Lipen reported employee-plan purchases

    1 reported purchase of non-derivative securities. The footnotes identify an employee stock purchase plan; this is not a discretionary-buy signal. Code P includes open-market and private purchases; it does not establish motive.

    Public: Oct 8, 2026, 6:35 AM EDTEvent / period: Oct 7, 2026Original source ↗

    4 congressional households disclosed purchases in the past 90 days. See the trades

  5. TSMInsider purchase·SEC EDGAR

    TSM: Yeap Choh Fei reported employee-plan purchases

    1 reported purchase of non-derivative securities. The footnotes identify an employee stock purchase plan; this is not a discretionary-buy signal. Code P includes open-market and private purchases; it does not establish motive.

    Public: Oct 8, 2026, 6:35 AM EDTEvent / period: Oct 7, 2026Original source ↗

    4 congressional households disclosed purchases in the past 90 days. See the trades

Committee overlaps

Trades by members of a committee that oversees Taiwan Semiconductor Manufacturing Company Limited's industry. An overlap is a fact about the trade, not evidence of wrongdoing.

Who traded TSM

All trades

From periodic transaction reports filed under the STOCK Act. Amounts are the ranges members report, and trades can be disclosed up to 45 days after they happen. Nothing here is investment advice.