Michael T. McCaul bought DexCom Inc (NASDAQ: DXCM)
Michael T. McCaul (R-TX), a U.S. Representative, has disclosed 73 trades in DexCom Inc (DXCM) since 2014, 55 purchases and 18 sales, worth an estimated $1.4M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Michael T. McCaul bought $1,001 - $15,000 of DexCom Inc (NASDAQ: DXCM) on January 19, 2017. Since that trade, DXCM is up +268.38% against the S&P 500 up +274.00%, an outperformance of -5.62%.
Across these filings, Michael T. McCaul has been a net buyer of DXCM (a buy-to-sell ratio of 3.06). The most recent disclosed DXCM transaction shown was dated May 7, 2026. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Michael T. McCaul's DXCM trades vs the price
DXCM is up +268.38% since Michael T. McCaul bought on January 19, 2017, versus +274.00% for the S&P 500.
Performance since this trade
All Michael T. McCaul DXCM 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.
Michael T. McCaul & DXCM trading FAQ
Is it legal for Michael T. McCaul to trade DexCom Inc (DXCM) stock?
Yes. Members of Congress are allowed to trade individual stocks, including DexCom Inc (DXCM), 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 Michael T. McCaul buy DXCM?
Michael T. McCaul disclosed a purchase of $1,001 - $15,000 of DexCom Inc (DXCM) on January 19, 2017, according to public STOCK Act filings.
How has DXCM performed since Michael T. McCaul's trade?
Since Michael T. McCaul bought DXCM on January 19, 2017, the stock is up +268.38%, versus +274.00% for the S&P 500 over the same period, an outperformance of -5.62%.
How many times has Michael T. McCaul traded DXCM?
Michael T. McCaul has disclosed 73 DXCM trades since 2014 (55 purchases and 18 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 DXCM trades?
Quantellect tracks every disclosed congressional trade in DexCom Inc (DXCM) on the DexCom Inc congressional trading page, which aggregates filings across all members of Congress.
Michael T. McCaul's DXCM tradesAll congressional filings for DexCom IncMichael T. McCaul'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.