QUEST DIAGNOSTICS INC (Services-Medical Laboratories)

Services-Medical Laboratories

Filing Clarity monitors every SEC filing for QUEST DIAGNOSTICS INC — Form 4 insider transactions, 8-K material events, and quarterly reports — and delivers plain-English signals with historical context.

Recent SEC filing signals

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Insider SaleDGX SVP Delaney sells 1,600 shares ($376K) in discretionary open-market sale, retaining 10,335 shares2026-07-29

Ecosystem

Laboratory Corporation of America Holdings, Inc. (competitor)IDEXX Laboratories, Inc. (competitor)Agilent Technologies, Inc. (competitor)IQVIA Holdings Inc. (competitor)Mettler-Toledo International Inc. (competitor)Henry Schein (competitor)

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What is an 8-K? How to read Form 4 Pricing