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Quest Diagnostics Inc Insider Trading

Every director, officer and 10% holder of Quest Diagnostics Inc has to report each trade in its stock within two business days of making it. This is those filings.

DGX on carbonthat →
Insiders filing
11
17 reported lines
Open-market buys
0
Open-market sales
5
$8.3M
Net
$8.3M
sold more

Purchases and sales

Open-market trades only — the lines where someone chose to buy or sell at the going price.

InsiderActionValue
J. E. DavisCEO and President2026-09-0110K shat $242.72
Sale10b5-1 plan
$2.4M
Michael E PrevoznikSVP & General Counsel2026-08-2816K shat $242.88
Sale10b5-1 plan
$3.9M
Michael E PrevoznikSVP & General Counsel2026-08-286.2K shat $243.63
Sale10b5-1 plan
$1.5M
Michael E PrevoznikSVP & General Counsel2026-08-28430 shat $244.51
Sale10b5-1 plan
$105.1K
Mark E DelaneySVP & Chief Commercial Officer2026-07-281.6K shat $235.18
Sale10b5-1 plan
$376.3K

Source: SEC Form 4 filings, via EDGAR. A derivative line reports the shares underlying an option rather than stock outstanding, so it is marked and is not comparable with the rest. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.

More on DGX

Company overviewEverything on DGX in one place, with the price.SEC filingsWhat DGX's 8-Ks say happened: results, departures, auditor changes.Who owns itEvery manager reporting a position in DGX.Funds holding itWhich funds and ETFs hold DGX, and how big a bet.LobbyingWhat DGX spends lobbying Congress, and on what.Who lobbies for itThe lobbyists on DGX's account, and who they worked for.Federal contractsWhat federal agencies pay DGX.PatentsWhat DGX is filing at the patent office.AircraftThe jets on DGX's registration.

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Related datasets

PeopleCEOs, investors, public officials and market commentators.SEC FilingsAuditor changes, restatements, departures and results, from 8-Ks.Insider BuyingCluster buys, and chief executives buying their own stock.The InsidersOne page per filer: every company they file against.