Form4insider filings, from the source

Insider · CIK 0001222679

Michael E Prevoznik

Files at: DGX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $19.4M · 16net −$19.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesFeb 2015Jan 2017Dec 2018Nov 2020Oct 2022Sep 2024Aug 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 28, 2026 SForm 4 →Aug 31, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX22,677$243.11$5,513,08337,557−37.6%10b5-1
Aug 28, 2026 GMForm 4 →Aug 31, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX23,677$112.17$2,543,67936,557—10b5-1
Mar 4, 2019 SForm 4 →Mar 5, 4:32 pm ESTQUEST DIAGNOSTICS INCDGX3,373$86.81$292,81039,458−7.88% plan?
Mar 1, 2019 AFForm 4 →Mar 5, 4:32 pm ESTQUEST DIAGNOSTICS INCDGX9,921$86.86$861,73842,826— plan?
Feb 26, 2019 SForm 4 →Feb 28, 5:24 pm ESTQUEST DIAGNOSTICS INCDGX1,412$86.65$122,35239,453−3.46% plan?
Feb 26, 2019 FForm 4 →Feb 28, 5:24 pm ESTQUEST DIAGNOSTICS INCDGX907$87.84$79,67140,865— plan?
Feb 25, 2019 SForm 4 →Feb 27, 6:34 pm ESTQUEST DIAGNOSTICS INCDGX336$88.23$29,64541,772−0.80% plan?
Feb 25, 2019 FForm 4 →Feb 27, 6:34 pm ESTQUEST DIAGNOSTICS INCDGX315$88.24$27,79642,108— plan?
Feb 22, 2019 FForm 4 →Feb 25, 8:01 pm ESTQUEST DIAGNOSTICS INCDGX291$88.39$25,72142,423— plan?
Feb 18, 2019 AForm 4 →Feb 20, 6:30 pm ESTQUEST DIAGNOSTICS INCDGX2,886——42,714— plan?
Jul 10, 2018 SForm 4 →Jul 12, 4:53 pm EDTQUEST DIAGNOSTICS INCDGX30,780$113.07$3,480,14139,791−43.6% plan?
Jul 10, 2018 MForm 4 →Jul 12, 4:53 pm EDTQUEST DIAGNOSTICS INCDGX30,780$57.61$1,773,08270,551— plan?
Mar 5, 2018 SForm 4 →Mar 6, 7:41 pm ESTQUEST DIAGNOSTICS INCDGX4,128$101.00$416,92839,771−9.40% plan?
Mar 2, 2018 AFForm 4 →Mar 6, 7:41 pm ESTQUEST DIAGNOSTICS INCDGX12,140$101.00$1,226,14043,899— plan?
Feb 27, 2018 SForm 4 →Mar 1, 5:08 pm ESTQUEST DIAGNOSTICS INCDGX1,423$104.41$148,57639,766−3.45% plan?
Feb 27, 2018 FForm 4 →Mar 1, 5:08 pm ESTQUEST DIAGNOSTICS INCDGX482$101.43$48,88941,189— plan?
Feb 23, 2018 FForm 4 →Feb 27, 4:53 pm ESTQUEST DIAGNOSTICS INCDGX1,217$101.76$123,84041,671— plan?
Feb 19, 2018 AForm 4 →Feb 21, 7:26 pm ESTQUEST DIAGNOSTICS INCDGX2,511——42,888— plan?
Apr 20, 2017 SForm 4 →Apr 24, 4:18 pm EDTQUEST DIAGNOSTICS INCDGX29,513$100.00$2,951,30040,327−42.3% plan?
Apr 20, 2017 MForm 4 →Apr 24, 4:18 pm EDTQUEST DIAGNOSTICS INCDGX29,513$56.78$1,675,74368,822— plan?
Mar 16, 2017 SForm 4 →Mar 20, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX13,987$100.00$1,398,70040,322−25.8% plan?
Mar 16, 2017 MForm 4 →Mar 20, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX13,987$55.65$778,37754,309— plan?
Mar 3, 2017 SForm 4 →Mar 6, 4:40 pm ESTQUEST DIAGNOSTICS INCDGX4,478$98.29$440,14340,322−10.00% plan?
Mar 2, 2017 AFForm 4 →Mar 3, 5:15 pm ESTQUEST DIAGNOSTICS INCDGX14,126$98.12$1,386,04344,800— plan?
Mar 1, 2017 SForm 4 →Mar 3, 5:15 pm ESTQUEST DIAGNOSTICS INCDGX470$97.77$45,95240,317−1.15% plan?
Feb 28, 2017 FForm 4 →Mar 2, 4:43 pm ESTQUEST DIAGNOSTICS INCDGX507$96.42$48,88540,787— plan?
Feb 27, 2017 SForm 4 →Feb 28, 4:49 pm ESTQUEST DIAGNOSTICS INCDGX440$97.39$42,85241,294−1.05% plan?
Feb 24, 2017 FForm 4 →Feb 28, 4:49 pm ESTQUEST DIAGNOSTICS INCDGX474$95.68$45,35241,734— plan?
Feb 21, 2017 AForm 4 →Feb 23, 6:16 pm ESTQUEST DIAGNOSTICS INCDGX2,715——42,208— plan?
Feb 13, 2017 SForm 4 →Feb 15, 4:43 pm ESTQUEST DIAGNOSTICS INCDGX1,200$93.76$112,51239,493−2.95% plan?
Feb 13, 2017 FForm 4 →Feb 15, 4:43 pm ESTQUEST DIAGNOSTICS INCDGX1,293$93.85$121,34840,693— plan?
Feb 2, 2017 SForm 4 →Feb 6, 4:36 pm ESTQUEST DIAGNOSTICS INCDGX45,000$92.39$4,157,59541,986−51.7% plan?
Feb 2, 2017 MForm 4 →Feb 6, 4:36 pm ESTQUEST DIAGNOSTICS INCDGX45,000$52.68$2,370,75056,918— plan?
Mar 1, 2016 FForm 4/A →Mar 14, 4:26 pm EDTQUEST DIAGNOSTICS INCDGX906$66.51$60,25841,918— plan?
Mar 1, 2016 SForm 4 →Mar 3, 4:21 pm ESTQUEST DIAGNOSTICS INCDGX3,815$68.22$260,26541,905−8.34% plan? amended
Mar 1, 2016 AFForm 4 →Mar 3, 4:21 pm ESTQUEST DIAGNOSTICS INCDGX3,598$66.88$240,64245,713— plan? amended
Feb 25, 2016 AFForm 4 →Feb 29, 7:40 pm ESTQUEST DIAGNOSTICS INCDGX4,219$66.44$20,53045,323— plan?
Feb 16, 2016 FForm 4 →Feb 18, 4:59 pm ESTQUEST DIAGNOSTICS INCDGX471$61.95$29,17841,722— plan?
Mar 3, 2015 SForm 4 →Mar 3, 6:29 pm ESTQUEST DIAGNOSTICS INCDGX3,261$71.16$232,04342,067−7.19% plan?
Feb 27, 2015 AFForm 4 →Mar 3, 6:29 pm ESTQUEST DIAGNOSTICS INCDGX1,677$70.77$105,30345,321— plan?
Feb 23, 2015 AForm 4 →Feb 25, 4:38 pm ESTQUEST DIAGNOSTICS INCDGX3,654——46,620— plan?
Feb 17, 2015 SForm 4 →Feb 18, 6:39 pm ESTQUEST DIAGNOSTICS INCDGX488$71.41$34,84842,966−1.12% plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 28, 2026 MForm 4 →Aug 31, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX22,677$112.17$2,543,6790—10b5-1
Feb 18, 2019 AForm 4 →Feb 20, 6:30 pm ESTQUEST DIAGNOSTICS INCDGX35,146——35,146—
Jul 10, 2018 MForm 4 →Jul 12, 4:53 pm EDTQUEST DIAGNOSTICS INCDGX30,780$57.61$1,773,0820—
Feb 19, 2018 AForm 4 →Feb 21, 7:26 pm ESTQUEST DIAGNOSTICS INCDGX28,690——28,690—
Apr 20, 2017 MForm 4 →Apr 24, 4:18 pm EDTQUEST DIAGNOSTICS INCDGX29,513$56.78$1,675,7430—
Mar 16, 2017 MForm 4 →Mar 20, 4:37 pm EDTQUEST DIAGNOSTICS INCDGX13,987$55.65$778,3771,013—
Feb 21, 2017 AForm 4 →Feb 23, 6:16 pm ESTQUEST DIAGNOSTICS INCDGX32,551$95.80$3,118,22332,551—
Feb 2, 2017 MForm 4 →Feb 6, 4:36 pm ESTQUEST DIAGNOSTICS INCDGX45,000$52.68$2,370,75015,000—
Feb 25, 2016 AForm 4 →Feb 29, 7:40 pm ESTQUEST DIAGNOSTICS INCDGX50,604——50,604—
Feb 23, 2015 AForm 4 →Feb 25, 4:38 pm ESTQUEST DIAGNOSTICS INCDGX44,939——44,939—