Tandem Diabetes Care Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 9 trades in Tandem Diabetes Care Inc (NASDAQ: TNDM) since 2015, across 5 members, worth an estimated $72.00K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 6 buys against 3 sells, a modestly buy-led skew, with Democratic members responsible for 89% of the trades and Republican members 11%. The most recent disclosure shown was filed April 2026, and Gilbert Cisneros has filed the most TNDM transactions among those shown, with 2. Other recent filers include Josh Gottheimer. One notable disclosed move was a purchase by Josh Gottheimer on September 22, 2025, up 38.1% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Tandem Diabetes Care Inc (TNDM) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Tandem Diabetes Care congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | |
|---|---|---|---|---|---|---|---|
 Gilbert Cisneros House | Apr 7, 2026 | Mar 3, 2026 | 35 days | BUY |  $1,001 - $15,000 | -24.05% | |
Gilbert Cisneros House | Apr 7, 2026 | Mar 3, 2026 | 35 days | BUY | $1,001 - $15,000 | -24.05% | |
 Josh Gottheimer House | Oct 15, 2025 | Sep 22, 2025 | 23 days | BUY | $1,001 - $15,000 | +38.06% |
Tandem Diabetes Care (TNDM) congressional trading FAQ
Can members of Congress legally trade Tandem Diabetes Care (TNDM) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Tandem Diabetes Care (TNDM), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. BullishWhales tracks those disclosures; it does not imply any trade was improper.
Are congressional Tandem Diabetes Care (TNDM) trades public?
Yes. Every congressional trade in Tandem Diabetes Care (TNDM) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Tandem Diabetes Care (TNDM)?
Members of Congress have disclosed 9 trades in Tandem Diabetes Care (TNDM) worth $72.00K across 5 members, according to public STOCK Act filings.
Which members of Congress have traded Tandem Diabetes Care (TNDM)?
Recent and active filers of Tandem Diabetes Care (TNDM) disclosures include Gilbert Cisneros, Josh Gottheimer. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Tandem Diabetes Care (TNDM) more?
Across disclosed Tandem Diabetes Care (TNDM) trades, 89% were by Democrats and 11% by Republicans, led by Democrats (89%).
What is the most recent congressional Tandem Diabetes Care (TNDM) trade?
The most recent disclosed Tandem Diabetes Care (TNDM) trade was a purchase by Gilbert Cisneros, filed Apr 6, 2026.
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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. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.