This cluster is too small to warrant a trading signal. Monitor for larger insider sales (>0.5% of market cap) or any cluster of insider buys, which would carry more informational content per the academic literature.
Price Chart
Executive Summary
Two GFS insiders (Chief Legal Officer and Chief People Officer) sold a combined $362K in open-market sales over a 7-day window. The total value is ~0.001% of the $26.7B market cap, making this a trivial cluster. Per the asymmetric calibration, insider sales are weak predictors, and the dollar amount is immaterial relative to company size. The historical performance on GFS reports shows a 0% win rate at T+20, further supporting a neutral read.
Key Financial Metrics
Key Facts
- Two insiders sold shares: Chief Legal Officer sold 335 shares ($16K) and Chief People Officer sold 6,760 shares ($346K)
- Total cluster value of $362K represents ~0.001% of GFS's $26.7B market cap
- All transactions were open-market sales (code S) — no non-cash transactions involved
- Historical reports on GFS have a 0% win rate at T+20, suggesting limited predictive value from insider activity patterns
Financial Impact
Total insider sales of $362K, representing ~0.001% of market cap — economically trivial
Risk Factors
- Insider sales could accelerate if the stock continues recent declines (GFS down ~22% over the last 10 settled reports)
- No C-suite (CEO/CFO) involvement reduces the signal value of 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-GFS-1787594490508 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 24, 2026 5w ago | Insider Cluster | $45.95 $48.57 | ▲ +5.70% | ▲ +5.69% | $50.17 (+9.18%) |
Aug 20, 2026 6w ago | Insider Cluster | $47.33 $45.84 | ▼ −3.15% | ▼ −3.15% | $50.17 (+6.00%) |
Aug 5, 2026 8w ago | 6-K | $49.46 $43.97 | ▼ −11.10% | ▼ −10.50% | $50.17 (+1.44%) |
Aug 5, 2026 8w ago | 6-K | $49.46 $43.97 | ▼ −11.10% | ▼ −10.50% | $50.17 (+1.44%) |
Jul 27, 2026 9w ago | Insider Cluster | $53.18 $45.95 | ▼ −13.60% | ▼ −16.89% | $50.17 (−5.66%) |
Jul 24, 2026 10w ago | Insider Cluster | $53.53 $48.05 | ▼ −10.24% | ▼ −13.86% | $50.17 (−6.28%) |
Jul 22, 2026 10w ago | Insider Cluster | $58.49 $48.58 | ▼ −16.94% | ▼ −19.84% | $50.17 (−14.22%) |
Jul 20, 2026 10w ago | 144 | $56.81 $53.44 | ▼ −5.93% | ▼ −10.05% | $50.17 (−11.69%) |
Jul 10, 2026 12w ago | Insider Cluster | $68.97 $53.93 | ▼ −21.81% | ▼ −24.23% | $50.17 (−27.26%) |
Jun 29, 2026 13w ago | Insider Cluster | $82.41 $53.18 | ▼ −35.47% | ▼ −34.44% | $50.17 (−39.12%) |
US Market Status
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