Stock Insider AIKnow. Analyze. Invest.
C

CIEN

CIEN

UnknownUnknown

Company information not available. Track real-time insider trading activity, SEC Form 4 filings, and executive stock transactions.

SEC Form 4 FilingsStock Chart
Insider Sentiment
Based on recent trading activity
0%Bearish
Buy/Sell Ratio0% buys
BearishBullish

Insider Buys

0

$0

Insider Sales

1

$1.34M

Total Volume

$1.34M

1 transactions

Net Activity

$1.34M

Net selling

Proprietary Ratings
Calculated from Form 4 transactions
35Confidence

Sentiment Rating

Moderate Distribution

CEO Conviction Index

No Recent Signal

Key Drivers

  • •Heavy distribution: sales represent 100% of total transaction value.
Score Methodology

The Insider Confidence Score (1-100) measures executive conviction. Starting from a neutral 50, it adjusts based on:

  • +15Strong Buy Ratio: Purchases > 70% of volume (or up to -15 for heavy sales).
  • +20Cluster Buying: ≥3 unique insiders buying within a 30-day window.
  • +15CEO Buying: CEO committing own capital shows high conviction.
  • +10CFO Buying: CFO purchasing shares shows financial alignment.
Sector & Industry
Unknown Comparison
Industry Buy Conviction50%
CIEN Buy Conviction0%
Industry Rank#0 of 108
Volume Contribution0.0%
Total Industry Activity$0

CIEN has an insider buy conviction of 0%, compared to the Unknown sector buy average of 50%.

Top Insiders
Most active traders
N
1

Nevens Thomas Michael

Dir

0 buys1 sells

$1.34M total

Insider Trading Summary
Automated trend commentary

Over the last 90 days, corporate insiders at CIEN (CIEN) engaged in a total of 1 transactions reported via SEC Form 4 filings. Among these, 0 were open-market purchases and 1 were sales. The total volume of insider trading reached $1.34M.

The net insider activity for CIEN shows a net selling bias of $1.34M. This activity represents a 0% buy ratio, suggesting that insiders are currently bearish on the company's near-term outlook relative to recent history.

The most notable individual transaction was a Sale by Nevens Thomas Michael (Dir), who traded 3.7K shares valued at $1.34M on Sep 23, 2026.

Quick Actions

Advanced ScreenerLatest TradesView Charts
Trading History
CIEN insider transactions from SEC Form 4 filings
DateInsiderTypeSharesPriceValueFiling

Sep 23, 2026

5 days ago

Nevens Thomas Michael

Dir

Director
Sell3.7K$359.04$1.34M

FAQs About CIEN Insider Trading

Answers to common questions regarding corporate filings and executive sentiment for CIEN.

Based on SEC Form 4 disclosures, the Insider Confidence Score for CIEN is currently 35/100, which reflects a moderate distribution bias. This calculation accounts for a total of 0 purchases and 1 sales by company executives over the last 90 days.

The CEO Conviction Index for CIEN is rated as "No Recent Signal". Executive buying is typically a strong vote of confidence as C-level leaders have the most intimate knowledge of their firm's prospects. Officer selling, on the other hand, is often routine and does not automatically signal operational weakness.

No. Insider tracking is a highly informative technical signal that indicates executive sentiment, but it should not be the sole basis for a transaction. Investors should combine this filing analysis with company financials, sector trends, and risk management criteria.