
John A. Yarmuth bought Costco Wholesale Corp (NASDAQ: COST)
John A. Yarmuth (D-KY), a U.S. Representative, has disclosed 3 trades in Costco Wholesale Corp (COST) since 2018, 2 purchases and 1 sale, worth an estimated $24K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: John A. Yarmuth bought $1,001 - $15,000 of Costco Wholesale Corp (NASDAQ: COST) on October 18, 2018. Since that trade, COST is up +373.11% against the S&P 500 up +195.98%, an outperformance of +177.13%.
Across these filings, John A. Yarmuth has been a net buyer of COST (a buy-to-sell ratio of 2.00). The most recent disclosed COST transaction shown was dated January 28, 2021. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
John A. Yarmuth's COST trades vs the price
COST is up +373.11% since John A. Yarmuth bought on October 18, 2018, versus +195.98% for the S&P 500.
Performance since this trade
All John A. Yarmuth COST trades
John A. Yarmuth & COST trading FAQ
Is it legal for John A. Yarmuth to trade Costco Wholesale Corp (COST) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Costco Wholesale Corp (COST), 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 John A. Yarmuth buy COST?
John A. Yarmuth disclosed a purchase of $1,001 - $15,000 of Costco Wholesale Corp (COST) on October 18, 2018, according to public STOCK Act filings.
How has COST performed since John A. Yarmuth's trade?
Since John A. Yarmuth bought COST on October 18, 2018, the stock is up +373.11%, versus +195.98% for the S&P 500 over the same period, an outperformance of +177.13%.
How many times has John A. Yarmuth traded COST?
John A. Yarmuth has disclosed 3 COST trades since 2018 (2 purchases and 1 sale). 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 COST trades?
Quantellect tracks every disclosed congressional trade in Costco Wholesale Corp (COST) on the Costco Wholesale Corp congressional trading page, which aggregates filings across all members of Congress.
John A. Yarmuth's COST tradesAll congressional filings for Costco Wholesale CorpJohn A. Yarmuth'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.

