This insider selling cluster is too small to convey a bearish signal. Monitor for larger-scale insider activity (>0.5% of market cap) or a cluster of C-suite open-market purchases for a meaningful directional read. No immediate trading action warranted.
Price Chart
Executive Summary
Three CIEN insiders (SVP/General Counsel, SVP/Blue Planet GM, and CFO) sold a combined $1.74M in open-market transactions over a 7-day window. The total value represents only ~0.003% of CIEN's $59.8B market cap, making this a routine, immaterial cluster with no predictive signal.
Key Financial Metrics
Key Facts
- Three insiders sold shares: Cumello (SVP, GM Blue Planet) $740K, Kosaraju (SVP & General Counsel) $938K, Graff (CFO) $59K.
- Total cluster value of $1.74M is ~0.003% of CIEN's $59.8B market cap.
- All transactions were open-market sales (code S); no insider purchases occurred.
- CFO Graff's sale of 126 shares is negligible in size and likely routine portfolio management.
Financial Impact
Total insider sales of $1.74M are trivial relative to CIEN's $59.8B market cap (0.003%).
Risk Factors
- Insider selling could increase if management perceives headwinds, but current levels are routine.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CIEN-1783378884704 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | Institutional Cluster | $320.26 | awaiting T+5 | — | $320.26 (−0.00%) |
Oct 19, 2026 7d ago | Insider Cluster | $341.95 | awaiting T+5 | — | $320.26 (+6.34%) |
Oct 13, 2026 13d ago | Insider Cluster | $400.40 $341.95 | ▲ +14.60% | ▲ +13.45% | $320.26 (+20.01%) |
Sep 29, 2026 27d ago | Insider Cluster | $351.82 $446.45 | ▲ +26.90% | ▲ +24.98% | $320.26 (−8.97%) |
Sep 28, 2026 28d ago | Insider Cluster | $354.92 $443.65 | ▼ −25.00% | ▼ −23.05% | $320.26 (+9.77%) |
Sep 25, 2026 4w ago | Insider Cluster | $344.19 $389.69 | ▼ −13.22% | ▼ −12.02% | $320.26 (+6.95%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $320.26 (−8.18%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $320.26 (−8.18%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $320.26 (−8.18%) |
Sep 3, 2026 7w ago | 8-K | $317.46 $349.54 | ▲ +10.11% | ▲ +11.25% | $320.26 (+0.88%) |
US Market Status
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