CIENA CORP Insider Trading Activity
Every SEC Form 4 insider transaction reported for CIENA CORP (CIEN), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CIEN insiders buying or selling?
In the last 12 months, CIENA CORP insiders reported 0 open-market purchases ($0) and 70 sales ($99.0M) — net selling of $99.0M. Since January 2018, Trabud has recorded 730 Form 4 filings for CIEN: 0 buys ($0) and 730 sells ($225.9M).
Source: SEC EDGAR Form 4
What stands out
- No CIENA CORP insider made an open-market purchase in the last 12 months; the 70 reported open-market sales totaled $99.0M.
Key Statistics (January 2018 – Oct 13, 2026)
Total Form 4 filings
730
SEC EDGAR
Insider filers
19
Insider buys (0)
$0
Insider sells (730)
$225.9M
Insider sentiment
Net sellingNet insider flow of $225.9M in net selling since January 2018, and $99.0M in net selling over the last 12 months.
Recent CIEN insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Gary B Smith | President & CEO | Sale | 3.0K | $369.66 | $1.1M | SEC ↗ |
| Oct 6, 2026 | Marc D. Graff | EVP & Chief Financial Officer | Sale | 97 | $355.19 | $34.5K | SEC ↗ |
| Oct 6, 2026 | Sheela Kosaraju | EVP & Chief Legal Officer | Sale | 2.1K | $355.19 | $746.3K | SEC ↗ |
| Oct 6, 2026 | Jason Phipps | EVP & Chief Customer Officer | Sale | 2.6K | $355.19 | $933.8K | SEC ↗ |
| Sep 29, 2026 | Joseph Cumello | EVP & General Mgr. | Sale | 1.6K | $358.52 | $568.6K | SEC ↗ |
| Sep 28, 2026 | Bruce L. Claflin | Director | Sale | 2.9K | $355.91 | $1.0M | SEC ↗ |
| Sep 25, 2026 | Thomas Michael Nevens | Director | Sale | 3.7K | $359.04 | $1.3M | SEC ↗ |
| Sep 17, 2026 | Gary B Smith | President & CEO | Sale | 3.0K | $330.18 | $974.7K | SEC ↗ |
| Sep 17, 2026 | David M Rothenstein | EVP & Chief Strategy Officer | Sale | 2.5K | $330.48 | $826.2K | SEC ↗ |
| Sep 17, 2026 | Brodie Gage | EVP & Chief Product & | Sale | 1.2K | $324.86 | $389.8K | SEC ↗ |
| Sep 17, 2026 | Dino Diperna | EVP & Chief R&D Officer | Sale | 498 | $337.43 | $168.0K | SEC ↗ |
| Sep 2, 2026 | Gary B Smith | President, CEO | Sale | 3.0K | $362.90 | $1.1M | SEC ↗ |
| Aug 18, 2026 | Marc D. Graff | SVP & Chief Financial Officer | Sale | 5.0K | $430.72 | $2.2M | SEC ↗ |
| Aug 18, 2026 | David M Rothenstein | SVP and Chief Strategy Officer | Sale | 2.5K | $438.10 | $1.1M | SEC ↗ |
| Aug 18, 2026 | Gary B Smith | President, CEO | Sale | 3.0K | $447.78 | $1.3M | SEC ↗ |
| Aug 18, 2026 | Brodie Gage | SVP Global Products & Supply | Sale | 1.2K | $439.24 | $527.1K | SEC ↗ |
| Aug 4, 2026 | Gary B Smith | President, CEO | Sale | 3.0K | $379.81 | $1.1M | SEC ↗ |
| Jul 17, 2026 | Gary B Smith | President, CEO | Sale | 3.0K | $421.10 | $1.2M | SEC ↗ |
| Jul 17, 2026 | David M Rothenstein | SVP and Chief Strategy Officer | Sale | 2.5K | $420.91 | $1.1M | SEC ↗ |
| Jul 17, 2026 | Brodie Gage | SVP Global Products & Supply | Sale | 1.2K | $449.15 | $539.0K | SEC ↗ |
| Jul 17, 2026 | Dino Diperna | SVP Global R&D | Sale | 782 | $449.15 | $351.2K | SEC ↗ |
| Jul 6, 2026 | Sheela Kosaraju | SVP and General Counsel | Sale | 2.0K | $466.20 | $938.5K | SEC ↗ |
| Jul 6, 2026 | Marc D. Graff | SVP & Chief Financial Officer | Sale | 126 | $466.20 | $58.7K | SEC ↗ |
| Jul 6, 2026 | Jason Phipps | SVP Global Sales and Marketing | Sale | 2.6K | $466.20 | $1.2M | SEC ↗ |
| Jul 6, 2026 | Gary B Smith | President, CEO | Sale | 3.0K | $468.83 | $1.4M | SEC ↗ |
Showing the 25 most recent of 730 Form 4 filings for CIENA CORP.
Most active CIEN insiders
- Gary B Smith174 filings
- David M Rothenstein102 filings
- James E Moylan JR97 filings
- Scott Mcfeely66 filings
- Stephen B Alexander58 filings
Ask anything about CIEN insider activity
Use Trabud's AI agent to query CIENA CORP's Form 4 history in plain English — "Show me CIEN CEO purchases this year" or compare it against any other ticker.
Open the AI agentCIEN insider trading FAQ
Are CIENA CORP insiders buying or selling?
In the last 12 months, CIENA CORP insiders reported 0 open-market purchases ($0) and 70 sales ($99.0M) — net selling of $99.0M. Since January 2018, Trabud has recorded 730 Form 4 filings for CIEN: 0 buys ($0) and 730 sells ($225.9M). Over the full record that is net selling of $225.9M.
How many insiders trade CIEN stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CIENA CORP. The most recent filing was accepted on Oct 13, 2026.
Where does Trabud get CIEN insider trading data?
All CIEN insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.