Insider Cluster (2 insiders) ·Filed Jul 6, 2026
Insider cluster: 2 insiders, $798K total
Actionable Insight • Neutral
The extremely small scale of these sales relative to market cap makes them non-informative. No trading action warranted; monitor for any material insider buying pattern or larger-scale disposals.
Final — all horizons settled through T+60d ⚠ clustered
CIEN ▼ -16.02% at T+60d
NEUTRAL call -16.02% · α vs SPY -18.01% · entry $418.91 → $351.82
T+1d
+5.27%
call +5.27% · α +5.58%
$440.97
settled 4mo ago
T+5d
+6.69%
call +6.69% · α +6.14%
$446.93
settled 4mo ago
T+20d
-6.72%
call -6.72% · α -8.05%
$390.76
settled 3mo ago
T+60d
-16.02%
call -16.02% · α -18.01%
$351.82
settled 27d ago
Price Chart
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Executive Summary
Two CIEN insiders (SVP Cumello and CFO Graff) sold a combined $798K in open-market sales over a one-week window. The total is negligible relative to CIEN's $59.8B market cap (~0.0013%), indicating routine portfolio diversification rather than a bearish signal.
Key Financial Metrics
Direction
selling
Total Value
$798.0K
Insiders
2
Key Facts
- Cumello Joseph (SVP, General Mgr. Blue Planet) sold 1,600 shares for ~$740K on 2026-06-26.
- Graff Marc D. (CFO) sold 126 shares for ~$59K on 2026-07-01.
- Total insider sales of $798K represent ~0.0013% of CIEN's $59.8B market cap.
- No insider purchases were reported in the cluster.
Financial Impact
Insignificant — $798K in total sales is 0.0013% of market cap.
dilution
Risk Factors
- Routine insider selling does not predict future stock performance; avoid over-interpreting negligible activity.
Market Snapshot
Exchange
NYSE
Sector
Telephone & Telegraph Apparatus
Analyst Consensus
69% bullish (26 analysts)
Investment Themes
Media & Telecom
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CIEN-1783376305728 |
33 reports for CIEN
63% Hit rate @ T+5 Went positive at some point 6 of 9 best @ T+60▲ +90.31%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | Institutional Cluster | $323.55 | awaiting T+5 | — | $338.30 (−4.56%) |
Oct 19, 2026 6d ago | Insider Cluster | $341.95 | awaiting T+5 | — | $338.30 (+1.07%) |
Oct 13, 2026 13d ago | Insider Cluster | $400.40 $341.95 | ▲ +14.60% | ▲ +13.45% | $338.30 (+15.51%) |
Sep 29, 2026 26d ago | Insider Cluster | $351.82 $446.45 | ▲ +26.90% | ▲ +24.98% | $338.30 (−3.84%) |
Sep 28, 2026 27d ago | Insider Cluster | $354.92 $443.65 | ▼ −25.00% | ▼ −23.05% | $338.30 (+4.68%) |
Sep 25, 2026 4w ago | Insider Cluster | $344.19 $389.69 | ▼ −13.22% | ▼ −12.02% | $338.30 (+1.71%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $338.30 (−3.01%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $338.30 (−3.01%) |
Sep 17, 2026 5w ago | Insider Cluster | $348.80 $356.91 | ▲ +2.33% | ▲ +1.06% | $338.30 (−3.01%) |
Sep 3, 2026 7w ago | 8-K | $317.46 $349.54 | ▲ +10.11% | ▲ +11.25% | $338.30 (+6.56%) |
Showing 10 of 33
US Market Status
Market Open — Closes in 19m
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