Monitor next earnings release for any guidance revision or segment weakness, but the small size of these sales relative to market cap suggests no imminent negative catalyst. No immediate trading action warranted.
Price Chart
Executive Summary
Three CIEN insiders (two directors and an EVP) sold a combined $2.93M in open-market sales over three days, with no insider purchases. The sales represent ~0.02% of CIEN's market cap, a trivial amount that does not signal material negative information. The cluster is likely routine portfolio diversification, not an informed sell signal.
Key Financial Metrics
Key Facts
- Three insiders sold a total of $2.93M in open-market sales (all code S) on 2026-09-23, 2024-09-24, and 2026-09-25.
- No insider purchases were reported in the cluster window.
- Sales are ~0.02% of CIEN's market cap, well below the 0.1% materiality threshold.
- One director also made a non-cash gift of 2,797 shares on 2026-09-24.
Financial Impact
Total insider sales of $2.93M represent ~0.02% of market cap — trivial.
Risk Factors
- Sales are small and routine — no material risk signal from this cluster alone.
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CIEN-1790726345845 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | Institutional Cluster | $320.26 | awaiting T+5 | — | $351.15 (−9.65%) |
Oct 19, 2026 7d ago | Insider Cluster | $341.95 | awaiting T+5 | — | $351.15 (−2.69%) |
Oct 13, 2026 14d ago | Insider Cluster | $400.40 $341.95 | ▲ +14.60% | ▲ +13.45% | $351.15 (+12.30%) |
Sep 29, 2026 27d ago | Insider Cluster | $351.82 $446.45 | ▲ +26.90% | ▲ +24.98% | $351.15 (−0.19%) |
Sep 28, 2026 28d ago | Insider Cluster | $354.92 $443.65 | ▼ −25.00% | ▼ −23.05% | $351.15 (+1.06%) |
Sep 25, 2026 4w ago | Insider Cluster | $344.19 $389.69 | ▼ −13.22% | ▼ −12.02% | $351.15 (−2.02%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $351.15 (+0.67%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $351.15 (+0.67%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $351.15 (+0.67%) |
Sep 3, 2026 7w ago | 8-K | $317.46 $349.54 | ▲ +10.11% | ▲ +11.25% | $351.15 (+10.61%) |
US Market Status
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