CIEN insider trading — Ciena Corp
Over the last 90 days, insiders at Ciena Corp (CIEN) made 0 open-market purchases worth $0 and 2 open-market sales worth $2.36M, making them net sellers by $2.36M. The largest sale was by Nevens Thomas Michael (Director), who sold 3,738 shares for $1.34M on Sep 23, 2026.
Updated Oct 16, 2026.
Recent CIEN insider transactions
Every Form 4 filed by Ciena Corp officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Smith Gary B | President & CEO | S · Sale · 10b5-1 | Direct | 2,952 | $369.66 | $1.09M | Form 4 |
| Oct 1, 2026 | Graff Marc D. | EVP & Chief Financial Officer | S · Sale · 10b5-1 | Direct | 97 | $355.19 | $34K | Form 4 |
| Oct 1, 2026 | Kosaraju Sheela | EVP & Chief Legal Officer | S · Sale · 10b5-1 | Direct | 2,101 | $355.19 | $746K | Form 4 |
| Oct 1, 2026 | Phipps Jason | EVP & Chief Customer Officer | S · Sale · 10b5-1 | Direct | 2,629 | $355.19 | $934K | Form 4 |
| Sep 25, 2026 | Cumello Joseph | EVP & General Mgr. | S · Sale · 10b5-1 | Direct | 1,586 | $358.52 | $569K | Form 4 |
| Sep 24, 2026 | Claflin Bruce L. | Director | S · Sale | Indirect | 2,857 | $355.91 | $1.02M | Form 4 |
| Sep 24, 2026 | Nevens Thomas Michael | Director | G · Gift | Direct | 2,797 | — | — | Form 4 |
| Sep 23, 2026 | Nevens Thomas Michael | Director | S · Sale | Direct | 3,738 | $359.04 | $1.34M | Form 4 |
| Sep 20, 2026 | Cumello Joseph | EVP & General Mgr. | F · Tax withholding | Direct | 1,716 | $348.80 | $599K | Form 4 |
| Sep 20, 2026 | Diperna Dino | EVP & Chief R&D Officer | F · Tax withholding | Direct | 2,053 | $348.80 | $716K | Form 4 |
| Sep 20, 2026 | Hoffman Grant | EVP & Chief Supply | F · Tax withholding | Direct | 170 | $348.80 | $59K | Form 4 |
| Sep 20, 2026 | Gage Brodie | EVP & Chief Product & | F · Tax withholding | Direct | 1,934 | $348.80 | $675K | Form 4 |
| Sep 20, 2026 | Smith Gary B | President & CEO | F · Tax withholding | Direct | 8,767 | $348.80 | $3.06M | Form 4 |
| Sep 20, 2026 | Rothenstein David M | EVP & Chief Strategy Officer | F · Tax withholding | Direct | 2,350 | $348.80 | $820K | Form 4 |
| Sep 20, 2026 | Phipps Jason | EVP & Chief Customer Officer | F · Tax withholding | Direct | 2,365 | $348.80 | $825K | Form 4 |
| Sep 20, 2026 | Kosaraju Sheela | EVP & Chief Legal Officer | F · Tax withholding | Direct | 1,915 | $348.80 | $668K | Form 4 |
| Sep 20, 2026 | Graff Marc D. | EVP & Chief Financial Officer | F · Tax withholding | Direct | 286 | $348.80 | $100K | Form 4 |
| Sep 15, 2026 | Smith Gary B | President & CEO | S · Sale · 10b5-1 | Direct | 2,952 | $330.18 | $975K | Form 4 |
| Sep 15, 2026 | Rothenstein David M | EVP & Chief Strategy Officer | S · Sale · 10b5-1 | Direct | 2,500 | $330.48 | $826K | Form 4 |
| Sep 15, 2026 | Gage Brodie | EVP & Chief Product & | S · Sale · 10b5-1 | Direct | 1,200 | $324.86 | $390K | Form 4 |
| Sep 16, 2026 | Diperna Dino | EVP & Chief R&D Officer | S · Sale · 10b5-1 | Direct | 249 | $350.00 | $87K | Form 4 |
| Sep 15, 2026 | Diperna Dino | EVP & Chief R&D Officer | S · Sale · 10b5-1 | Direct | 249 | $324.86 | $81K | Form 4 |
| Sep 1, 2026 | Smith Gary B | President, CEO | S · Sale · 10b5-1 | Direct | 2,952 | $362.90 | $1.07M | Form 4 |
| Aug 14, 2026 | Graff Marc D. | SVP & Chief Financial Officer | S · Sale · 10b5-1 | Direct | 4,995 | $430.72 | $2.15M | Form 4 |
| Aug 14, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | S · Sale · 10b5-1 | Direct | 2,500 | $438.10 | $1.10M | Form 4 |
| Aug 17, 2026 | Smith Gary B | President, CEO | S · Sale · 10b5-1 | Direct | 2,952 | $447.78 | $1.32M | Form 4 |
| Aug 17, 2026 | Gage Brodie | SVP Global Products & Supply | S · Sale · 10b5-1 | Direct | 1,200 | $439.24 | $527K | Form 4 |
| Aug 1, 2026 | Graff Marc D. | SVP & Chief Financial Officer | F · Tax withholding | Direct | 14,441 | $377.05 | $5.44M | Form 4 |
| Aug 3, 2026 | Smith Gary B | President, CEO | S · Sale · 10b5-1 | Direct | 2,952 | $379.81 | $1.12M | Form 4 |
CIEN insider trading FAQ
Are insiders buying CIEN stock?
Not on the open market. In the last 90 days, Ciena Corp insiders made no open-market purchases, and 2 open-market sales totaling $2.36M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading CIEN?
Recent sellers: Claflin Bruce L., Nevens Thomas Michael.
Where does CIEN insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.