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Insider Trading Tracker

DGX

QUEST DIAGNOSTICS INC
Buys$00 txns
Sells$74.0M83 txns
Net-$74.0M

Insiders

InsiderRoleHoldingsBuy $Sell $Net $
Michael E PrevoznikSVP & General Counsel36,557$23,881,957-$23,881,957
J. E. DavisCEO and President, Director132,423$21,258,434-$21,258,434
Catherine T. DohertyEVP, Regional Businesses67,122$13,807,910-$13,807,910
Karthik KuppusamySVP, Clinical Solutions13,557$4,640,578-$4,640,578
Patrick PlewmanSVP for Diagnostic Services15,293$4,598,337-$4,598,337
Michael J DeppeSVP, Corp. Controller & CAO35,196$2,889,123-$2,889,123
Mark E DelaneySVP & Chief Commercial Officer10,335$2,237,985-$2,237,985
Vicky B GreggDirector18,386$445,410-$445,410
Gary M PfeifferDirector31,005$270,317-$270,317

Transaction History

DateInsiderSideSharesPriceValueHoldings After% of Position
2026-08-28Michael E PrevoznikSELL16,010$242.88$3,888,43744,22427%
2026-08-28Michael E PrevoznikSELL6,237$243.63$1,519,50537,98714%
2026-08-28Michael E PrevoznikSELL430$244.51$105,14137,5571%
2026-07-28Mark E DelaneySELL1,600$235.18$376,28810,33513%
2026-06-04Karthik KuppusamySELL8,147$200.00$1,629,40013,51038%
2026-06-01J. E. DavisSELL10,000$194.14$1,941,400132,4237%
2026-03-05Catherine T. DohertySELL5,558$206.21$1,146,11567,1228%
2026-03-05Michael E PrevoznikSELL3,878$206.21$799,68237,5579%
2026-03-05Patrick PlewmanSELL2,855$206.21$588,73015,19816%
2026-03-04Karthik KuppusamySELL2,628$204.86$538,37213,44116%
2026-03-03Catherine T. DohertySELL632$207.73$131,28567,1221%
2026-03-03Michael E PrevoznikSELL526$207.73$109,26637,5571%
2026-03-03Patrick PlewmanSELL410$207.73$85,16915,1983%
2026-03-02J. E. DavisSELL10,000$212.52$2,125,200117,1858%
2026-02-19Patrick PlewmanSELL958$204.83$196,22715,8386%
2026-02-19Michael E PrevoznikSELL1,111$204.83$227,56638,3713%
2026-02-19Catherine T. DohertySELL1,433$204.83$293,52168,4022%
2026-02-13Catherine T. DohertySELL10,573$205.21$2,169,65683,66011%
2026-02-13Catherine T. DohertySELL10,122$206.37$2,088,88373,53812%
2026-02-13Catherine T. DohertySELL3,500$207.08$724,78870,0385%
2026-02-13Catherine T. DohertySELL1,619$208.21$337,09368,4192%
2026-02-13Catherine T. DohertySELL351$209.10$73,39568,0681%
2026-02-10Patrick PlewmanSELL5,662$204.00$1,155,04815,38127%
2025-11-25J. E. DavisSELL9,342$191.59$1,789,823166,2315%
2025-11-25J. E. DavisSELL41,004$192.27$7,883,901125,22725%
2025-11-25J. E. DavisSELL4,747$192.97$916,037120,4804%
2025-11-25Vicky B GreggSELL1,250$191.76$239,70017,0377%
2025-11-18Mark E DelaneySELL7,946$187.35$1,488,6837,53051%
2025-10-22Gary M PfeifferSELL1,482$182.40$270,31729,4315%
2025-09-26Michael E PrevoznikSELL83$187.22$15,53938,2610%
2025-09-26Michael E PrevoznikSELL144$188.66$27,16738,1170%
2025-09-24Michael E PrevoznikSELL175$187.02$32,72938,1170%
2025-09-23Michael E PrevoznikSELL28,288$187.12$5,293,31338,11743%
2025-08-21Patrick PlewmanSELL1,975$185.00$365,37515,26911%
2025-08-19Patrick PlewmanSELL4,532$183.00$829,35617,24421%
2025-08-15Patrick PlewmanSELL1,975$180.00$355,50017,24410%
2025-08-06Patrick PlewmanSELL3,560$175.00$623,00021,18514%
2025-08-06Patrick PlewmanSELL1,975$175.00$345,62519,2199%
2025-07-31Karthik KuppusamySELL2,210$170.00$375,7008,45021%
2025-07-30Karthik KuppusamySELL3,045$167.40$509,73310,66022%
2025-07-30Karthik KuppusamySELL5,224$167.40$874,49810,66033%
2025-05-13Mark E DelaneySELL874$175.31$153,2217,49810%
2025-05-12Mark E DelaneySELL874$175.72$153,5798,3729%
2025-04-02J. E. DavisSELL2,366$168.03$397,553164,4481%
2025-04-02J. E. DavisSELL1,411$168.76$238,114163,0371%
2025-04-02J. E. DavisSELL704$169.63$119,416162,3330%
2025-04-02J. E. DavisSELL7,249$167.86$1,216,845155,0844%
2025-04-02J. E. DavisSELL4,905$168.72$827,564150,1793%
2025-04-02J. E. DavisSELL2,764$169.56$468,662147,4152%
2025-04-02J. E. DavisSELL6,950$167.86$1,166,627140,4655%
2025-04-02J. E. DavisSELL5,900$168.66$995,121134,5654%
2025-04-02J. E. DavisSELL2,493$169.57$422,736132,0722%
2025-04-02J. E. DavisSELL750$167.86$125,897131,3221%
2025-04-02J. E. DavisSELL584$168.70$98,520130,7380%
2025-04-02J. E. DavisSELL267$169.60$45,282130,4710%
2025-04-02J. E. DavisSELL1,493$167.88$250,643128,9781%
2025-04-02J. E. DavisSELL902$168.79$152,249128,0761%
2025-04-02J. E. DavisSELL453$169.63$76,844127,6230%
2025-04-02Karthik KuppusamySELL2,555$170.00$434,35010,57519%
2025-03-17Michael E PrevoznikSELL4,643$170.00$789,31038,11711%
2025-03-05Catherine T. DohertySELL5,370$174.13$935,07868,0687%
2025-03-04Catherine T. DohertySELL716$175.79$125,86668,0681%
2025-03-04Michael E PrevoznikSELL592$175.79$104,06838,1172%
2025-02-27Michael E PrevoznikSELL528$172.61$91,13839,0311%
2025-02-27Catherine T. DohertySELL824$172.61$142,23169,1781%
2025-02-20Michael E PrevoznikSELL604$170.99$103,27839,8451%
2025-02-20Catherine T. DohertySELL899$170.99$153,72070,4571%
2025-02-19Patrick PlewmanSELL320$169.71$54,30718,0822%
2025-02-19Catherine T. DohertySELL535$169.71$90,79571,3561%
2025-02-05Vicky B GreggSELL1,250$164.57$205,71016,8677%
2025-02-05Mark E DelaneySELL403$164.30$66,2144,6248%
2024-11-29Michael E PrevoznikSELL3,009$162.26$488,23770,6154%
2024-11-29Michael E PrevoznikSELL32,137$163.15$5,243,06538,47846%
2024-11-27Catherine T. DohertySELL4,803$162.14$778,77596,7125%
2024-11-27Catherine T. DohertySELL28,300$163.13$4,616,70968,41229%
2024-11-06Michael J DeppeSELL2,100$152.70$320,67651,5964%
2024-11-06Michael J DeppeSELL2,400$153.98$369,55949,1965%
2024-11-06Michael J DeppeSELL4,135$154.74$639,83345,0618%
2024-11-06Michael J DeppeSELL2,600$152.71$397,05042,4616%
2024-11-06Michael J DeppeSELL2,331$154.03$359,04640,1305%
2024-11-06Michael J DeppeSELL5,189$154.74$802,95834,94113%
2024-10-28Karthik KuppusamySELL1,775$156.92$278,5259,73415%
2024-08-29Michael E PrevoznikSELL32,551$154.97$5,044,51638,47846%