Insider sales are too small to warrant a bearish read-through. Monitor for any material increase in selling volume or C-suite participation above $1M+ before treating this as a signal.
Price Chart
Executive Summary
Two MRX insiders, including CFO Rob Irvin, sold a combined ~$259K in open-market sales over a 7-day window. The dollar amount is trivial relative to MRX's $5.3B market cap (~0.005%), making this a routine liquidity-driven cluster with no material signal. The CFO's sale at $71.86 is particularly small and likely related to tax planning or diversification.
Key Financial Metrics
Key Facts
- CFO Rob Irvin sold 3,700 shares total (~$262K) on Aug 14, 2026
- Paolo Tonucci sold 4,000 shares (~$244K) on Aug 10, 2026
- Total cluster value of ~$259K represents ~0.005% of MRX's $5.3B market cap
- No open-market buys in the cluster window
Financial Impact
~$259K in insider sales, immaterial relative to $5.3B market cap
Risk Factors
- Insider sales could accelerate if the stock continues to appreciate
- No insider buying to offset the selling pattern
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MRX-1787083618807 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 14, 2026 13d ago | Insider Cluster | $72.30 | awaiting T+20 | — | $70.73 (+2.17%) |
Oct 13, 2026 13d ago | Press Release | $69.38 | awaiting T+20 | — | $70.73 (+1.95%) |
Oct 7, 2026 19d ago | 6-K | $71.88 | awaiting T+20 | — | $70.73 (−1.60%) |
Sep 16, 2026 5w ago | Insider Cluster | $73.27 $72.30 | ▼ −1.32% | ▼ −2.53% | $70.73 (−3.47%) |
Aug 18, 2026 9w ago | Insider Cluster | $70.19 $73.27 | ▲ +4.39% | ▲ +6.34% | $70.73 (+0.77%) |
Aug 12, 2026 10w ago | 6-K | $71.13 $74.09 | ▲ +4.16% | ▲ +6.06% | $70.73 (−0.56%) |
Aug 12, 2026 10w ago | Press Release | $71.13 $74.09 | ▲ +4.16% | ▲ +6.06% | $70.73 (−0.56%) |
Jul 27, 2026 13w ago | Press Release | $64.60 | awaiting T+20 | — | $70.73 (+9.49%) |
Jul 15, 2026 14w ago | Insider Cluster | $63.55 $72.36 | ▲ +13.86% | ▲ +10.25% | $70.73 (+11.30%) |
Jul 1, 2026 16w ago | 6-K | $65.22 $63.14 | ▼ −3.19% | ▼ −1.00% | $70.73 (+8.45%) |
US Market Status
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