
Greg Gianforte sold Taiwan Semiconductor Manufacturing (NYSE: TSM)
Greg Gianforte (R-MT), a U.S. Representative, has disclosed 10 trades in Taiwan Semiconductor Manufacturing (TSM) since 2019, 2 purchases and 8 sales, worth an estimated $563K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a sale: Greg Gianforte sold $50,001 - $100,000 of Taiwan Semiconductor Manufacturing (NYSE: TSM) on January 13, 2020. Since that trade, TSM is up +595.17% against the S&P 500 up +143.40%, an outperformance of +451.77%.
Across these filings, Greg Gianforte has been a net seller of TSM (a buy-to-sell ratio of 0.25). The most recent disclosed TSM transaction shown was dated August 4, 2020. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Greg Gianforte's TSM trades vs the price
TSM is up +595.17% since Greg Gianforte sold on January 13, 2020, versus +143.40% for the S&P 500.
Performance since this trade
All Greg Gianforte TSM trades
Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.
Greg Gianforte & TSM trading FAQ
Is it legal for Greg Gianforte to trade Taiwan Semiconductor Manufacturing (TSM) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Taiwan Semiconductor Manufacturing (TSM), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.
When did Greg Gianforte sell TSM?
Greg Gianforte disclosed a sale of $50,001 - $100,000 of Taiwan Semiconductor Manufacturing (TSM) on January 13, 2020, according to public STOCK Act filings.
How has TSM performed since Greg Gianforte's trade?
Since Greg Gianforte sold TSM on January 13, 2020, the stock is up +595.17%, versus +143.40% for the S&P 500 over the same period, an outperformance of +451.77%.
How many times has Greg Gianforte traded TSM?
Greg Gianforte has disclosed 10 TSM trades since 2019 (2 purchases and 8 sales). Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional TSM trades?
Quantellect tracks every disclosed congressional trade in Taiwan Semiconductor Manufacturing (TSM) on the Taiwan Semiconductor Manufacturing congressional trading page, which aggregates filings across all members of Congress.
Greg Gianforte's TSM tradesAll congressional filings for Taiwan Semiconductor ManufacturingGreg Gianforte's full profile
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.

