DGX: SEC Form 4 filed by Quest Diagnostics Incorporated
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Historical context for DGX
Across the 28 sessions after earlier DGX headlines, the stock closed higher 9 times and lower 18 times, with a median move of 0.8% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.
| Session | Earlier headline | DGX | SPY |
|---|---|---|---|
| Oct 22, 2026 | Quest Diagnostics Reports Third Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026 | +1.8% | -1.2% |
| Oct 19, 2026 | Current Screening Thresholds May Miss Half of Patients with Primary Aldosterone, a Leading Cause of Severe High Blood Pressure, Finds Study in Hypertension | -0.0% | +0.4% |
| Oct 1, 2026 | Haystack MRD® Demonstrates Robust Clinical Performance in Specimen Cohort from the Landmark DYNAMIC Colorectal Cancer Trials | -0.8% | +0.2% |
| Sep 23, 2026 | Quest Diagnostics to Release Third Quarter Financial Results on October 22, 2026 | -0.7% | -0.7% |
| Sep 21, 2026 | Nearly 1 in 3 Patients with Suspected Lyme Disease are Co-Positive for Other Tick-Borne Pathogens, Finds Study by Quest Diagnostics | -0.6% | +1.6% |
| Sep 16, 2026 | Nine in 10 Voters Express Concern That Medicare Lab Payment Cuts Will Harm Patient Access to Diagnostic Lab Testing, Finds National Survey from Quest Diagnostics | +0.0% | -0.4% |
Earlier insider filings at DGX
- Oct 23, 2026SEC Form 4 filed by Quest Diagnostics Incorporated
- Oct 2, 2026SEC Form 4 filed by Director Wentworth Timothy C
- Sep 3, 2026CEO and President Davis J. E. sold $2,427,200 worth of shares (10,000 units at $242.72) as part of a pre-agreed trading plan, decreasing direct ownership by 8% to 122,423 units (SEC Form 4)
- Aug 31, 2026SVP & General Counsel Prevoznik Michael E exercised 22,677 shares at a strike of $112.17, sold $5,513,083 worth of shares (22,677 units at $243.11) as part of a pre-agreed trading plan and gifted 1,000 shares, decreasing direct ownership by 3% to 36,557 units (SEC Form 4)
- Jul 29, 2026SVP & Chief Commercial Officer Delaney Mark E sold $376,288 worth of shares (1,600 units at $235.18) as part of a pre-agreed trading plan, decreasing direct ownership by 13% to 10,335 units (SEC Form 4)
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DGX
Quest Diagnostics Incorporated
- Market cap
- 30-day
- Sector
- Health Care
- Industry
- Medical Specialities
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