Gilbert Ray Cisneros, Jr. bought Merck & Company Inc (NYSE: MRK)
Gilbert Ray Cisneros, Jr. (D-CA), a U.S. Representative, has disclosed 8 trades in Merck & Company Inc (MRK) since 2025, 5 purchases and 3 sales, worth an estimated $113K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Gilbert Ray Cisneros, Jr. bought $1,001 - $15,000 of Merck & Company Inc (NYSE: MRK) on August 5, 2025. Since that trade, MRK is up +65.56% against the S&P 500 up +17.15%, an outperformance of +48.41%.
Across these filings, Gilbert Ray Cisneros, Jr. has been a net buyer of MRK (a buy-to-sell ratio of 1.67). The most recent disclosed MRK transaction shown was dated December 19, 2025. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Gilbert Ray Cisneros, Jr.'s MRK trades vs the price
MRK is up +65.56% since Gilbert Ray Cisneros, Jr. bought on August 5, 2025, versus +17.15% for the S&P 500.
Performance since this trade
All Gilbert Ray Cisneros, Jr. MRK 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.
Gilbert Ray Cisneros, Jr. & MRK trading FAQ
Is it legal for Gilbert Ray Cisneros, Jr. to trade Merck & Company Inc (MRK) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Merck & Company Inc (MRK), 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 Gilbert Ray Cisneros, Jr. buy MRK?
Gilbert Ray Cisneros, Jr. disclosed a purchase of $1,001 - $15,000 of Merck & Company Inc (MRK) on August 5, 2025, according to public STOCK Act filings.
How has MRK performed since Gilbert Ray Cisneros, Jr.'s trade?
Since Gilbert Ray Cisneros, Jr. bought MRK on August 5, 2025, the stock is up +65.56%, versus +17.15% for the S&P 500 over the same period, an outperformance of +48.41%.
How many times has Gilbert Ray Cisneros, Jr. traded MRK?
Gilbert Ray Cisneros, Jr. has disclosed 8 MRK trades since 2025 (5 purchases 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 MRK trades?
Quantellect tracks every disclosed congressional trade in Merck & Company Inc (MRK) on the Merck & Company Inc congressional trading page, which aggregates filings across all members of Congress.
Gilbert Ray Cisneros, Jr.'s MRK tradesAll congressional filings for Merck & Company IncGilbert Ray Cisneros, Jr.'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.