Treat this cluster as routine portfolio diversification or tax-driven selling. The dollar amount is noise at DGX's scale, and insider sells lack predictive power for large-cap healthcare services. Monitor next quarter's 10-Q or 8-K for any revenue/earnings pressure only if a coincident business filing appears.
Price Chart
Executive Summary
Two senior insiders at Quest Diagnostics sold a combined $6.32M in open-market transactions over a 7-day window, including the CEO/President and the SVP & General Counsel. The CEO's sale alone was $2.43M at ~$242.72, and the General Counsel sold $3.89M at ~$242.88. At a $26.6B market cap, the cluster represents ~0.024% of market cap — well below the 0.1% materiality threshold — and lacks a certifiable bearish catalyst, making this a routine liquidity/planning event rather than a directional signal.
Key Financial Metrics
Key Facts
- CEO Davis J.E. sold 10,000 shares at $242.72, totaling $2.43M on 2026-09-01.
- SVP & General Counsel Prevoznik sold 16,000 shares at $242.88, totaling $3.89M on 2026-08-28.
- Total cluster value of $6.32M represents ~0.024% of DGX's $26.6B market cap.
- Net direction: 100% selling; no open-market buys in the cluster.
- Both sales occurred in the same week, consistent with a blackout-window opening or shared 10b5-1 plan timing.
- No earnings, guidance, or corporate action was filed in the same period to suggest non-public negative information.
Financial Impact
Total insider sales of $6.32M — trivial relative to $26.6B market cap (~0.024%); non-sentiment-significant per academic literature on cluster sells.
Risk Factors
- CEO and General Counsel selling concurrently could indicate shared bearish view despite low proportionality — but academic evidence shows cluster sells are no more informative than non-cluster sells.
- If an undisclosed earnings warning or restructuring filing surfaces within the next 30 days, these sales would gain ex post significance.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DGX-1788505349930 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 9, 2026 23d ago | Press Release | $231.14 $247.45 | ▲ +7.06% | ▲ +7.56% | $233.27 (+0.92%) |
Sep 3, 2026 29d ago | Insider Cluster | $239.40 $235.02 | ▼ −1.83% | ▼ −0.68% | $233.27 (−2.56%) |
Jul 23, 2026 10w ago | 8-K | $227.90 $234.30 | ▲ +2.81% | ▲ +2.33% | $233.27 (+2.36%) |
May 8, 2026 20w ago | 8-K | $189.81 $189.84 | ▲ +0.02% | ▲ +0.10% | $233.27 (+22.90%) |
Apr 21, 2026 23w ago | 8-K | $205.04 $195.05 | ▼ −4.87% | ▼ −5.96% | $233.27 (+13.77%) |
Apr 16, 2026 24w ago | Court Ruling | $191.46 $199.53 | ▲ +4.21% | ▲ +3.25% | $233.27 (+21.84%) |
Mar 5, 2026 30w ago | Insider Cluster | $203.09 $200.01 | ▲ +1.52% | ▼ −0.72% | $233.27 (−14.86%) |
Mar 3, 2026 30w ago | Insider Cluster | $207.46 $200.03 | ▼ −3.58% | ▼ −3.10% | $233.27 (+12.44%) |
Mar 3, 2026 30w ago | Insider Cluster | $207.46 $200.03 | ▼ −3.58% | ▼ −3.10% | $233.27 (+12.44%) |
US Market Status
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