The dollar amount is too small relative to Sony's size to signal anything. Monitor for larger insider activity or upcoming earnings for a real read-through. No action warranted.
Price Chart
Executive Summary
Three Sony insiders (CEO, CSO, and another executive) sold a combined $6.03M in open-market sales over a 7-day window. However, this represents only ~0.0046% of Sony's $131.6B market cap, making the cluster economically trivial and non-informative.
Key Financial Metrics
Key Facts
- Three insiders sold shares: CEO Hiroki Totoki ($4.73M), CSO Toshimoto Mitomo ($526K), and Ravi Ahuja ($776K).
- Total open-market sales of $6.03M represent ~0.0046% of Sony's $131.6B market cap.
- All sales were open-market (code S); no 10b5-1 plan information provided.
- Insider sales are weak predictors of future returns, and cluster sells are not more informative than non-cluster sells per academic literature.
Financial Impact
Trivial — $6.03M is 0.0046% of market cap; no material economic impact.
Risk Factors
- Insider selling could accelerate if broader market or sector weakness emerges.
- Historical calibration on SONY shows poor predictive power for insider signals (0% win rate at T+20).
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SONY-1783537080385 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 18d ago | 6-K | $24.47 $23.59 | ▼ −3.60% | ▼ −3.70% | $23.82 (−2.66%) |
Sep 3, 2026 29d ago | 6-K | $24.96 $23.90 | ▼ −4.25% | ▼ −3.10% | $23.82 (−4.57%) |
Aug 11, 2026 7w ago | 6-K | $23.61 $23.43 | ▼ −0.76% | ▼ −0.36% | $23.82 (+0.89%) |
Aug 6, 2026 8w ago | Insider Cluster | $23.10 $23.61 | ▲ +2.21% | ▲ +1.00% | $23.82 (+3.12%) |
Aug 5, 2026 8w ago | Insider Cluster | $22.44 $23.54 | ▲ +4.90% | ▲ +4.55% | $23.82 (+6.15%) |
Aug 5, 2026 8w ago | 6-K | $22.44 $23.54 | ▲ +4.90% | ▲ +4.55% | $23.82 (+6.15%) |
Jul 31, 2026 9w ago | 6-K | $23.26 $23.46 | ▲ +0.86% | ▼ −2.65% | $23.82 (+2.41%) |
Jul 17, 2026 11w ago | 6-K | $21.12 $20.69 | ▼ −2.04% | ▼ −1.35% | $23.82 (+12.78%) |
Jul 14, 2026 11w ago | 6-K | $20.80 $21.15 | ▲ +1.68% | ▲ +2.98% | $23.82 (+14.52%) |
Jul 8, 2026 12w ago | Insider Cluster | $21.15 $20.80 | ▼ −1.65% | ▼ −2.52% | $23.82 (+12.62%) |
US Market Status
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