ABOUT CONGRESSIONAL TRADING IN DGX
As of May 2026, 5 members of Congress have collectively executed 7 disclosed trades on DGX (Quest Diagnostics Incorporated Common Stock). This includes 1 purchase and 6 sales, with bipartisan cluster activity detected 0 times — instances where members of both parties traded DGX within overlapping time windows, often a signal of coordinated information or policy-related activity.
MOST-ACTIVE TRADERS
The most active trader of DGX on Signal Congress is Julia Letlow with 3 trades, followed by Carol Devine Miller (1 trade) and Earl Blumenauer (1 trade).
Signal Congress tracks DGX congressional trades through STOCK Act PTR filings from the House Clerk XML feed and Senate eFD system. Each trade is scored for conviction (0–100 scale) based on filing speed, amount, and corroboration signals, and analyzed for alpha generation against the SPY benchmark over 60-day and 180-day windows.