The sales are small, pre-planned, and coincide with a strong earnings report, no negative signal. Monitor next Form 4 filings for any unplanned open-market sales by C-suite executives, which would carry more weight.
Price Chart
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Executive Summary
Two Regeneron insiders (a director and an EVP) sold a total of ~$2.67M in open-market sales on October 30, 2026, both under 10b5-1 plans. The sales occurred on the same day the company reported strong Q3 2026 earnings (revenue +36% YoY, EPS +35% YoY), but the dollar amount is trivial relative to the $84.3B market cap (0.003%), making the cluster routine and non-informative.
Key Financial Metrics
Key Facts
- Director Michael S. Brown sold 1,929 shares at $875.00 for $1.69M under a 10b5-1 plan
- EVP Commercial Marion McCourt sold 1,132 shares at $869.43 for $984K under a 10b5-1 plan
- Total open-market sales of $2.67M represent 0.003% of Regeneron's $84.3B market cap
- Both sales occurred on the same day as Q3 2026 earnings release showing revenue +36% YoY to $5.116B and EPS +35% YoY to $18.45
- Both sales were executed under pre-arranged 10b5-1 trading plans, reducing informational content
Financial Impact
Total insider sales of $2.67M, immaterial relative to $84.3B market cap
Risk Factors
- Insider sales are routine and pre-planned; no material risk identified
- No unplanned or C-suite selling detected in this cluster
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-REGN-1793739959437 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Nov 4, 2026 today | 144 | $931.06 | awaiting T+5 | awaiting T+5 | $930.67 (−0.04%) |
Nov 4, 2026 today | 144 | $930.67 | awaiting T+5 | awaiting T+5 | $930.67 (−0.00%) |
Nov 3, 2026 1d ago | Insider Cluster | $973.35 | awaiting T+5 | awaiting T+5 | $930.67 (−4.38%) |
Nov 3, 2026 1d ago | 144 | $971.00 | awaiting T+5 | awaiting T+5 | $930.67 (−4.15%) |
Nov 3, 2026 1d ago | Insider Cluster | $973.36 | awaiting T+5 | awaiting T+5 | $930.67 (−4.39%) |
Nov 2, 2026 2d ago | 144 | $973.36 | awaiting T+5 | awaiting T+5 | $930.67 (−4.39%) |
Nov 2, 2026 2d ago | 144 | $973.36 | awaiting T+5 | awaiting T+5 | $930.67 (−4.39%) |
Nov 2, 2026 2d ago | 144 | $973.36 | awaiting T+5 | awaiting T+5 | $930.67 (−4.39%) |
Nov 2, 2026 2d ago | Court Ruling | $973.36 | awaiting T+5 | awaiting T+5 | $930.67 (−4.39%) |
Oct 30, 2026 5d ago | 144 | $961.26 | awaiting T+5 | awaiting T+5 | $930.67 (−3.18%) |
US Market Status
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