Quest Diagnostics Incorporated (DGX) Insider Trading

Total insider buys:
  • $772,290.00
Total insider sells:
  • $407,695,745.28
Most recent insider trade:
  • March 5, 2026
Most active insider trader:
  • Michael E Prevoznik
Trader NameDateTitleAmountPriceTypeTotal Value
Aug. 8, 2013VP10,864$59.33Sell$644,561.12
July 23, 2013Director4,200$58.99Sell$247,758.00
June 18, 2013SVP126,667$62.64Sell$7,934,420.88
May 22, 2013Director31,362$62.00Sell$1,944,444.00
May 14, 2013Director1,214$59.41Sell$72,123.74
April 11, 2013Director1,470$58.35Sell$85,774.50
Jan. 17, 2013Director10,000$60.00Sell$600,000.00
Oct. 3, 2012CFO46,667$64.00Sell$2,986,688.00
Aug. 7, 2012CEO5,000$59.34Buy$296,700.00
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  • Insiders are both buying and selling Quest Diagnostics Incorporated stock.

  • The insider traders at Quest Diagnostics Incorporated are: Michael E Prevoznik, Catherine T Doherty, Stephen H Rusckowski, J. E Davis, Karthik Kuppusamy, Patrick Plewman, Jenne K Britell, Everett Cunningham, Timothy M Ring, Mark Guinan, Michael J Deppe, Jeffrey M Leiden, John B Ziegler, Gail R Wilensky, Daniel Stanzione, Thomas F Bongiorno, Mark E Delaney, Vicky B Gregg, Gary M Pfeiffer, John C Md Baldwin, John Ziegler, Jon R Cohen, Catherine Doherty, Michael Prevoznik, John B. Ziegler, Robert A Klug, Robert Hagemann, Jenne Britell, Stephen H. Rusckowski, Thomas Bongiorno, Gary Pfeiffer, Timothy Main, Gail Wilensky, and Manner Carrie Eglinton

  • The most active insider trader at Quest Diagnostics Incorporated is Michael E Prevoznik with 27 trades.

  • Stephen H Rusckowski has sold the most Quest Diagnostics Incorporated stock with a total value of $209,206,568.89.

  • Stephen H Rusckowski has bought the most Quest Diagnostics Incorporated stock with a total value of $593,400.00.

  • The most recent insider trade for Quest Diagnostics Incorporated was on March 5, 2026.

  • The single biggest insider buy for Quest Diagnostics Incorporated was from Stephen H Rusckowski with a total value of $296,700.00 on Aug. 7, 2012.

  • The single biggest insider sell for Quest Diagnostics Incorporated was from Stephen H Rusckowski with a total value of $39,571,008.96 on May 24, 2022.