These sales are near-zero signal for a $218.5B mega-cap. They follow option exercises and are consistent with routine diversification. No actionable negative read-through; monitor next 10-Q for any fundamental change.
Price Chart
Executive Summary
Two Amgen senior executives (SVP & CCO Nancy Grygiel and SVP of HR Derek Miller) executed open-market sales totaling approximately $1.63 million on August 6, 2026, following option exercises. Grygiel sold 2,970 shares ($1.19M) and Miller sold 3,890 shares ($1.57M). Relative to Amgen's $218.5B market cap, these sales are trivial (~0.0007%) and likely driven by routine portfolio diversification after vesting, not a bearish signal. Historical cluster reports on AMGN have underperformed, with a T+20 win rate of only 25% and an average alpha of -5.25% vs. SPY.
Key Financial Metrics
Key Facts
- Two C-suite executives sold shares on the same day: Grygiel (SVP & CCO) sold 2,970 shares for ~$1.19M; Miller (SVP, HR) sold 3,890 shares for ~$1.57M.
- All sales followed option exercises at prices between $162.60 and $177.46, indicating routine cashless exercise-and-sell transactions.
- Total open-market sales of ~$2.76M represent approximately 0.0013% of Amgen's $218.5B market cap — far below the 0.1% materiality threshold.
- No insider purchases occurred in the cluster; net direction is selling, but dollar amount is immaterial.
- Historical performance on AMGN cluster reports shows poor predictive value (25% win rate, negative alpha), supporting a low-impact assessment.
Financial Impact
Total insider sales of ~$2.76M, or ~0.0013% of market cap — immaterial relative to company size.
Risk Factors
- Insider sales at the open-market price may spook retail sentiment, but fundamentals are unaffected.
- No immediate risk to the stock; the sales are too small to indicate a coordinated bearish view.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMGN-1786143925190 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | ANALYST-DOWNGRADE | $382.47 $379.78 | ▲ +0.70% | ▲ +0.20% | $403.04 (−5.38%) |
Sep 8, 2026 24d ago | ANALYST-DOWNGRADE | $393.17 $375.65 | ▲ +4.46% | ▲ +3.34% | $403.04 (−2.51%) |
Aug 14, 2026 7w ago | Court Ruling | $415.21 $439.33 | ▲ +5.81% | ▲ +7.18% | $403.04 (−2.93%) |
Aug 13, 2026 7w ago | Insider Cluster | $415.21 $439.33 | ▲ +5.81% | ▲ +7.18% | $403.04 (−2.93%) |
Aug 11, 2026 7w ago | Court Ruling | $414.30 $425.28 | ▲ +2.65% | ▲ +3.05% | $403.04 (−2.72%) |
Aug 7, 2026 7w ago | Insider Cluster | $417.20 $419.38 | ▲ +0.52% | ▲ +0.57% | $403.04 (−3.39%) |
Aug 7, 2026 7w ago | Insider Cluster | $417.20 $419.38 | ▲ +0.52% | ▲ +0.57% | $403.04 (−3.39%) |
Aug 7, 2026 7w ago | Insider Cluster | $417.20 $419.38 | ▲ +0.52% | ▲ +0.57% | $403.04 (−3.39%) |
Aug 4, 2026 8w ago | GOVT-CONTRACT | $390.02 $414.30 | ▲ +6.23% | ▲ +6.33% | $403.04 (+3.34%) |
Jul 31, 2026 9w ago | 8-K | $378.87 $417.20 | ▼ −10.12% | ▼ −8.09% | $403.04 (−6.38%) |
US Market Status
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