
Diane Black sold McKesson Corporation (NYSE: MCK)
Diane Black (R-TN), a U.S. Representative, has disclosed 2 trades in McKesson Corporation (MCK) since 2015, all sales, worth an estimated $208K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a sale: Diane Black sold $100,001 - $250,000 of McKesson Corporation (NYSE: MCK) on September 21, 2015. Since that trade, MCK is up +378.80% against the S&P 500 up +341.91%, an outperformance of +36.89%.
Across these filings, Diane Black has been a net seller of MCK. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Diane Black's MCK trades vs the price
MCK is up +378.80% since Diane Black sold on September 21, 2015, versus +341.91% for the S&P 500.
Performance since this trade
All Diane Black MCK trades
Diane Black & MCK trading FAQ
Is it legal for Diane Black to trade McKesson Corporation (MCK) stock?
Yes. Members of Congress are allowed to trade individual stocks, including McKesson Corporation (MCK), 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 Diane Black sell MCK?
Diane Black disclosed a sale of $100,001 - $250,000 of McKesson Corporation (MCK) on September 21, 2015, according to public STOCK Act filings.
How has MCK performed since Diane Black's trade?
Since Diane Black sold MCK on September 21, 2015, the stock is up +378.80%, versus +341.91% for the S&P 500 over the same period, an outperformance of +36.89%.
How many times has Diane Black traded MCK?
Diane Black has disclosed 2 MCK trades since 2015. 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 MCK trades?
Quantellect tracks every disclosed congressional trade in McKesson Corporation (MCK) on the McKesson Corporation congressional trading page, which aggregates filings across all members of Congress.
Diane Black's MCK tradesAll congressional filings for McKesson CorporationDiane Black'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.

