Gilbert Ray Cisneros, Jr. bought Tandem Diabetes Care Inc (NASDAQ: TNDM)
Gilbert Ray Cisneros, Jr. (D-CA), a U.S. Representative, has disclosed 2 trades in Tandem Diabetes Care Inc (TNDM) since 2025, all purchases, worth an estimated $16K 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 Tandem Diabetes Care Inc (NASDAQ: TNDM) on March 4, 2025. Since that trade, TNDM is down -4.62% against the S&P 500 up +28.29%, an outperformance of -32.91%.
Across these filings, Gilbert Ray Cisneros, Jr. has been a net buyer of TNDM. The most recent disclosed TNDM transaction shown was dated March 3, 2026. 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 TNDM trades vs the price
TNDM is down -4.62% since Gilbert Ray Cisneros, Jr. bought on March 4, 2025, versus +28.29% for the S&P 500.
Performance since this trade
All Gilbert Ray Cisneros, Jr. TNDM trades
Gilbert Ray Cisneros, Jr. & TNDM trading FAQ
Is it legal for Gilbert Ray Cisneros, Jr. to trade Tandem Diabetes Care Inc (TNDM) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Tandem Diabetes Care Inc (TNDM), 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 TNDM?
Gilbert Ray Cisneros, Jr. disclosed a purchase of $1,001 - $15,000 of Tandem Diabetes Care Inc (TNDM) on March 4, 2025, according to public STOCK Act filings.
How has TNDM performed since Gilbert Ray Cisneros, Jr.'s trade?
Since Gilbert Ray Cisneros, Jr. bought TNDM on March 4, 2025, the stock is down -4.62%, versus +28.29% for the S&P 500 over the same period, an outperformance of -32.91%.
How many times has Gilbert Ray Cisneros, Jr. traded TNDM?
Gilbert Ray Cisneros, Jr. has disclosed 2 TNDM trades since 2025. 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 TNDM trades?
Quantellect tracks every disclosed congressional trade in Tandem Diabetes Care Inc (TNDM) on the Tandem Diabetes Care Inc congressional trading page, which aggregates filings across all members of Congress.
Gilbert Ray Cisneros, Jr.'s TNDM tradesAll congressional filings for Tandem Diabetes Care 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.