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 $5.5M · 1net −$5.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 27Apr 26May 27Jun 27Jul 28Aug 28Sep 27

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

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