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Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Quest Diagnostics Incorporated

Quest Diagnostics IncorporatedDGX

NYSEHealthcareDiagnostics & Research$199.70-0.59%

A leading provider of diagnostic testing, information, and services, Quest Diagnostics operates one of the largest clinical laboratories in the U.S. Investors monitor the company for its role in preventive care, chronic disease management, and COVID-19 testing capabilities. The firm's scale and data analytics offerings position it as a key player in lab-based diagnostics.

Market Cap: $22.2B52W Range: $157.20 – $213.50

Congressional Interest in Quest Diagnostics Incorporated (DGX)

15 members of Congress have disclosed 50 trades in Quest Diagnostics Incorporated (DGX), a Healthcare company. The buy/sell breakdown shows 17 purchases versus 33 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
15
Buys
17
Sells
33

Who in Congress Is Trading DGX?

DatePoliticianTypeAmountSecurity
2026-03-30Alan Armstrongbuy$1K – $15KStock
2026-03-27Alan Armstrongbuy$1K – $15KStock
2026-02-17Rohit Khannasell$1K – $15KStock
2026-01-29Rohit Khannabuy$1K – $15KStock
2025-11-03Julie Johnsonsell$1K – $15KStock
2025-07-24Julia Letlowsell$1K – $15KStock
2025-04-28Julia Letlowbuy$1K – $15KStock
2025-04-17Rohit Khannasell$1K – $15KStock
2025-04-17Rohit Khannabuy$1K – $15KStock
2025-03-10Carol Devine Millersell$1K – $15KStock
2025-01-24Gilbert Cisnerossell$1K – $15KStock
2024-12-18Rohit Khannasell$1K – $15KStock
2024-12-16Rohit Khannasell$1K – $15KStock
2024-11-12Rohit Khannasell$1K – $15KStock
2024-04-04Earl Blumenauersell$1K – $15KStock
2024-01-03Thomas H Tubervillesell$15K – $50KStock
2023-12-11Thomas R Carpersell$1K – $15KStock
2023-12-04Rohit Khannabuy$1K – $15KStock
2023-10-31Rohit Khannasell$1K – $15KStock
2023-09-06Rohit Khannasell$1K – $15KStock
2023-09-06Rohit Khannabuy$1K – $15KStock
2023-06-29Rohit Khannasell$1K – $15KStock
2022-11-14Carol Devine Millerbuy$1K – $15KStock
2022-08-03Kathy Manningsell$1K – $15KStock
2022-07-20Kathy Manningbuy$1K – $15KStock
2022-03-31MICHAEL T. MCCAULsell$1K – $15KStock
2022-03-14Earl Blumenauersell$1K – $15KStock
2022-02-24Earl Blumenauerbuy$1K – $15KStock
2022-01-28MICHAEL T. MCCAULsell$1K – $15KStock
2022-01-28MICHAEL T. MCCAULsell$1K – $15KStock
2021-12-14MICHAEL T. MCCAULsell$1K – $15KStock
2021-09-29Thomas H Tubervillesell$1K – $15KStock
2021-07-28Carol Devine Millerbuy$15K – $50KStock
2021-04-09Sara Jacobssell$50K – $100KStock
2021-03-29Thomas H Tubervillebuy$1K – $15KStock
2021-01-09David P. Roesell$3,243.43Stock
2020-12-14MICHAEL T. MCCAULsell$1K – $15KStock
2020-06-01Dean Phillipssell$1K – $15KStock
2020-04-02Thomas R Carperbuy$1K – $15KStock
2020-04-02Dean Phillipssell$1K – $15KStock
2020-03-02MICHAEL T. MCCAULsell$1K – $15KStock
2020-03-02Earl Blumenauerbuy$1K – $15KStock
2020-02-12David P. Roesell$15K – $50KStock
2020-02-10Dean Phillipssell$1K – $15KStock
2020-01-17Dean Phillipsbuy$1K – $15KStock
2020-01-14MICHAEL T. MCCAULbuy$1K – $15KStock
2019-12-31MICHAEL T. MCCAULsell$1K – $15KStock
2019-07-31Dean Phillipsbuy$1K – $15KStock
2019-07-22David P. Roesell$1K – $15KStock
2019-06-18MIKE KELLYsell$1K – $15KStock
Alan Armstrongbuy
2026-03-30$1K – $15K
Stock
Alan Armstrongbuy
2026-03-27$1K – $15K
Stock
Rohit Khannasell
2026-02-17$1K – $15K
Stock
Rohit Khannabuy
2026-01-29$1K – $15K
Stock
Julie Johnsonsell
2025-11-03$1K – $15K
Stock
Julia Letlowsell
2025-07-24$1K – $15K
Stock
Julia Letlowbuy
2025-04-28$1K – $15K
Stock
Rohit Khannasell
2025-04-17$1K – $15K
Stock
Rohit Khannabuy
2025-04-17$1K – $15K
Stock
Carol Devine Millersell
2025-03-10$1K – $15K
Stock
Gilbert Cisnerossell
2025-01-24$1K – $15K
Stock
Rohit Khannasell
2024-12-18$1K – $15K
Stock
Rohit Khannasell
2024-12-16$1K – $15K
Stock
Rohit Khannasell
2024-11-12$1K – $15K
Stock
Earl Blumenauersell
2024-04-04$1K – $15K
Stock
Thomas H Tubervillesell
2024-01-03$15K – $50K
Stock
Thomas R Carpersell
2023-12-11$1K – $15K
Stock
Rohit Khannabuy
2023-12-04$1K – $15K
Stock
Rohit Khannasell
2023-10-31$1K – $15K
Stock
Rohit Khannasell
2023-09-06$1K – $15K
Stock
Rohit Khannabuy
2023-09-06$1K – $15K
Stock
Rohit Khannasell
2023-06-29$1K – $15K
Stock
Carol Devine Millerbuy
2022-11-14$1K – $15K
Stock
Kathy Manningsell
2022-08-03$1K – $15K
Stock
Kathy Manningbuy
2022-07-20$1K – $15K
Stock
MICHAEL T. MCCAULsell
2022-03-31$1K – $15K
Stock
Earl Blumenauersell
2022-03-14$1K – $15K
Stock
Earl Blumenauerbuy
2022-02-24$1K – $15K
Stock
MICHAEL T. MCCAULsell
2022-01-28$1K – $15K
Stock
MICHAEL T. MCCAULsell
2022-01-28$1K – $15K
Stock
MICHAEL T. MCCAULsell
2021-12-14$1K – $15K
Stock
Thomas H Tubervillesell
2021-09-29$1K – $15K
Stock
Carol Devine Millerbuy
2021-07-28$15K – $50K
Stock
Sara Jacobssell
2021-04-09$50K – $100K
Stock
Thomas H Tubervillebuy
2021-03-29$1K – $15K
Stock
David P. Roesell
2021-01-09$3,243.43
Stock
MICHAEL T. MCCAULsell
2020-12-14$1K – $15K
Stock
Dean Phillipssell
2020-06-01$1K – $15K
Stock
Thomas R Carperbuy
2020-04-02$1K – $15K
Stock
Dean Phillipssell
2020-04-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2020-03-02$1K – $15K
Stock
Earl Blumenauerbuy
2020-03-02$1K – $15K
Stock
David P. Roesell
2020-02-12$15K – $50K
Stock
Dean Phillipssell
2020-02-10$1K – $15K
Stock
Dean Phillipsbuy
2020-01-17$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2020-01-14$1K – $15K
Stock
MICHAEL T. MCCAULsell
2019-12-31$1K – $15K
Stock
Dean Phillipsbuy
2019-07-31$1K – $15K
Stock
David P. Roesell
2019-07-22$1K – $15K
Stock
MIKE KELLYsell
2019-06-18$1K – $15K
Stock
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