
Thomas MacArthur sold Taiwan Semiconductor Manufacturing (NYSE: TSM)
Thomas MacArthur (R-NJ), a U.S. Representative, has disclosed 4 trades in Taiwan Semiconductor Manufacturing (TSM) since 2015, 1 purchase and 3 sales, worth an estimated $57K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a sale: Thomas MacArthur sold $15,001 - $50,000 of Taiwan Semiconductor Manufacturing (NYSE: TSM) on February 19, 2015. Since that trade, TSM is up +1901.21% against the S&P 500 up +319.50%, an outperformance of +1581.71%.
Across these filings, Thomas MacArthur has been a net seller of TSM (a buy-to-sell ratio of 0.33). The most recent disclosed TSM transaction shown was dated May 27, 2015. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Thomas MacArthur's TSM trades vs the price
TSM is up +1901.21% since Thomas MacArthur sold on February 19, 2015, versus +319.50% for the S&P 500.
Performance since this trade
All Thomas MacArthur TSM trades
| Traded | Type | Size | Return | Est. profit | |
|---|---|---|---|---|---|
| May 27, 2015 | SELL | $18.78 | +1894.70% | — | |
| February 19, 2015 | SELL | $18.72 | +1901.21% | — | |
| January 27, 2015 | SELL | $18.47 | +1928.50% | — | |
| January 26, 2015 | BUY | $18.45 | +1931.02% | +$116K |
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.
Thomas MacArthur & TSM trading FAQ
Is it legal for Thomas MacArthur 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 Thomas MacArthur sell TSM?
Thomas MacArthur disclosed a sale of $15,001 - $50,000 of Taiwan Semiconductor Manufacturing (TSM) on February 19, 2015, according to public STOCK Act filings.
How has TSM performed since Thomas MacArthur's trade?
Since Thomas MacArthur sold TSM on February 19, 2015, the stock is up +1901.21%, versus +319.50% for the S&P 500 over the same period, an outperformance of +1581.71%.
How many times has Thomas MacArthur traded TSM?
Thomas MacArthur has disclosed 4 TSM trades since 2015 (1 purchase and 3 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.
Thomas MacArthur's TSM tradesAll congressional filings for Taiwan Semiconductor ManufacturingThomas MacArthur'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.

