DGXCongressional Stock Trades
Quest Diagnostics Inc.
Services-Medical Laboratories
Congressional stock trades in Quest Diagnostics Inc. (DGX) from House and Senate STOCK Act filings. See which members of Congress bought or sold, disclosed amounts, and filing dates.
Total Trades
8
Politicians Trading
4
Last Traded
Mar 30, 2026
Trading History
| Politician | Notified | Traded | Type | Amount | Change |
|---|---|---|---|---|---|
| Julie JohnsonD | Aug 5, 2026 | Oct 30, 2025 | Buy | $1,001 - $15,000 | +40.57% |
| Julie JohnsonD | Aug 5, 2026 | Oct 30, 2025 | Sell | $1,001 - $15,000 | +40.57% |
| Julie JohnsonD | Dec 11, 2025 | Nov 3, 2025 | Sell | $1,001 - $15,000 | +38.15% |
Price History
About Quest Diagnostics Inc.
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
4 members of Congress have disclosed 8 trades in Quest Diagnostics Inc. (DGX). Most active: Julie Johnson (3), Alan Armstrong (2), Julia Letlow (2).
Across all disclosures, members of Congress reported 4 purchases and 4 sales of Quest Diagnostics Inc. (DGX). The most recent trade was on Mar 30, 2026.
Alan Armstrong disclosed buying Quest Diagnostics Inc. (DGX) on Mar 30, 2026, valued at $1,001 - $15,000.
Julie Johnson disclosed selling Quest Diagnostics Inc. (DGX) on Nov 3, 2025, valued at $1,001 - $15,000.
From House and Senate periodic transaction reports filed under the STOCK Act. Members of Congress must disclose trades within 45 days, and amounts are reported as ranges, not exact values.