🕵️ Ciena Corporation ($CIEN)
SEC insider & ownership activity, last 12 months · CIK 936395 · every row links its SEC filing
Over the last 12 months insiders sold $96.7M with no open-market buying against it. Gary B. Smith sold $47.4M through a 10b5-1 trading plan in 24 lots (Sep–Sep). 4 planned sales are pending, the largest $799K (David Rothenstein). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 11 sellers, $96.7M (89 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Gary B. Smith | 0 | – | 24 | $47.4M | Sep 1, 2026 |
| Jason Phipps | 0 | – | 18 | $15.8M | Jul 1, 2026 |
| David Rothenstein | 0 | – | 12 | $9.8M | Aug 14, 2026 |
| Brodie Gage | 0 | – | 10 | $5.1M | Aug 17, 2026 |
| Cumello Joseph | 0 | – | 4 | $4.4M | Jun 26, 2026 |
| Diperna Dino | 0 | – | 10 | $3.5M | Jul 15, 2026 |
| Patrick Gallagher | 0 | – | 1 | $2.6M | Jan 12, 2026 |
| Sheela Kosaraju | 0 | – | 5 | $2.5M | Jul 1, 2026 |
| Marc Graff | 0 | – | 3 | $2.3M | Aug 14, 2026 |
| T. Michael Nevens | 0 | – | 1 | $1.9M | Dec 15, 2025 |
| Bruce L. Claflin | 0 | – | 1 | $1.2M | Sep 24, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 13.5% | 13G | Aug 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 13.5% | 13G | Aug 6, 2026 | filing ↗ | |
| BlackRock, Inc. | 8.0% | 13G | Apr 24, 2026 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ | |
| JPMorgan Chase & Co. | exited | 13G | Sep 3, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Dino Diperna | $87K | Sep 16, 2026 | filing ↗ |
| David Rothenstein | $799K | Sep 15, 2026 | filing ↗ |
| Dino Diperna | $81K | Sep 15, 2026 | filing ↗ |
| Brodie Gage | $390K | Sep 15, 2026 | filing ↗ |
| Brodie Gage | $527K | Aug 17, 2026 | filing ↗ |
| David Rothenstein | $1.1M | Aug 14, 2026 | filing ↗ |
| Marc Graff | $2.2M | Aug 14, 2026 | filing ↗ |
| Gary B. Smith | $7.4M | Jul 15, 2026 | filing ↗ |
| David Rothenstein | $1.1M | Jul 15, 2026 | filing ↗ |
| Brodie Gage | $539K | Jul 15, 2026 | filing ↗ |
| Dino Diperna | $351K | Jul 15, 2026 | filing ↗ |
| Marc Graff | $62K | Jul 1, 2026 | filing ↗ |
| Sheela Kosaraju | $938K | Jul 1, 2026 | filing ↗ |
| Jason Phipps | $1.2M | Jul 1, 2026 | filing ↗ |
| Joseph Cumello | $769K | Jun 26, 2026 | filing ↗ |
| Marc Graff | $58K | Jun 24, 2026 | filing ↗ |
| David Rothenstein | $1.1M | Jun 15, 2026 | filing ↗ |
| Brodie Gage | $559K | Jun 15, 2026 | filing ↗ |
| David Rothenstein | $1.5M | May 15, 2026 | filing ↗ |
| Brodie Gage | $685K | May 15, 2026 | filing ↗ |
| Gary B. Smith | $8.4M | Apr 15, 2026 | filing ↗ |
| David Rothenstein | $1.2M | Apr 15, 2026 | filing ↗ |
| Brodie Gage | $566K | Apr 15, 2026 | filing ↗ |
| Dino Diperna | $1.3M | Apr 15, 2026 | filing ↗ |
| Jason Phipps | $9.0M | Apr 1, 2026 | filing ↗ |
| Sheela Kosaraju | $808K | Apr 1, 2026 | filing ↗ |
| Joseph Cumello | $688K | Mar 27, 2026 | filing ↗ |
| Brodie Gage | $2.0M | Mar 24, 2026 | filing ↗ |
| David Rothenstein | $843K | Mar 16, 2026 | filing ↗ |
| David M. Rothenstein | $760K | Feb 17, 2026 | filing ↗ |
| Sheela Kosaraju | $94K | Jan 15, 2026 | filing ↗ |
| Dino Diperna | $1.2M | Jan 15, 2026 | filing ↗ |
| Jason Phipps | $5.3M | Jan 15, 2026 | filing ↗ |
| Joseph Cumello | $2.8M | Jan 12, 2026 | filing ↗ |
| Patrick Gallagher | $2.6M | Jan 12, 2026 | filing ↗ |
| David M. Rothenstein | $563K | Jan 9, 2026 | filing ↗ |
| Gary B. Smith | $23.4M | Jan 5, 2026 | filing ↗ |
| Sheela Kosaraju | $421K | Jan 2, 2026 | filing ↗ |
| David Rothenstein | $546K | Dec 15, 2025 | filing ↗ |
| T. Michael Nevens | $1.9M | Dec 15, 2025 | filing ↗ |
| Brodie Gage | $121K | Dec 15, 2025 | filing ↗ |
| David Rothenstein | $479K | Nov 17, 2025 | filing ↗ |
| Dino Diperna | $474K | Nov 17, 2025 | filing ↗ |
| Brodie Gage | $21K | Nov 17, 2025 | filing ↗ |
| Gary B. Smith | $5.7M | Oct 15, 2025 | filing ↗ |
| David Rothenstein | $412K | Oct 15, 2025 | filing ↗ |
| Brodie Gage | $59K | Oct 15, 2025 | filing ↗ |
| Dino Diperna | $124K | Oct 15, 2025 | filing ↗ |
| Sheela Kosaraju | $251K | Oct 1, 2025 | filing ↗ |
| Jason Phipps | $285K | Oct 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Sep 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 3, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 8, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 8, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jun 8, 2026 | filing ↗ |
| Other events (8.01) | Jun 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 8, 2026 | filing ↗ |
| Other events (8.01) | Jun 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 8, 2026 | filing ↗ |
| Earnings (2.02) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 26, 2026 | filing ↗ |
| Earnings (2.02) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Earnings (2.02) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 30, 2025 | filing ↗ |
| Other events (8.01) | Oct 7, 2025 | filing ↗ |
| Other events (8.01) | Sep 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 22, 2025 | filing ↗ |