Notice of Proposed Sale · 144
Ciena Corporation
CIENNYSEEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- CIENA CORPORATION
- Issuer CIK
- 0000936395
- SEC file number
- 001-36250
- Phone
- 4106945700
- Person for whose account securities are to be sold
- DAVID ROTHENSTEIN
- Relationships to issuer
- Officer
- Street
- 7035 Ridge Road
- City
- Hanover
- State / country code
- MD
- Postal code
- 21076
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 2,500 | 1,117,325.00 | 141,552,922 | 07/15/2026 | NYSE | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 06/20/2020 | Restricted Stock Units | Issuer | 2,500 | N | 06/20/2020 | N/A |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| 10b5-1 Sales for DAVID ROTHENSTEIN | Common | 06/15/2026 | 2,500 | 1,142,672.50 |
| 10b5-1 Sales for DAVID ROTHENSTEIN | Common | 05/15/2026 | 2,500 | 1,405,968.75 |
Seller — prior-sale row 1, entry 1
- Name
- 10b5-1 Sales for DAVID ROTHENSTEIN
- Street
- 7035 Ridge Road
- City
- Hanover
- State / country code
- MD
- Postal code
- 21076
Seller — prior-sale row 2, entry 1
- Name
- 10b5-1 Sales for DAVID ROTHENSTEIN
- Street
- 7035 Ridge Road
- City
- Hanover
- State / country code
- MD
- Postal code
- 21076
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
The securities to be sold were acquired upon the vesting of restricted stock units during the period of 06/20/2020 through 09/20/2021.
Notice signature
- Notice date
- 07/15/2026
- Signed
- /s/ David Rothenstein
- Plan adoption dates
- 10/10/2025
Company context
Ciena is the global leader in high-speed connectivity. We build the world’s most advanced networks to support exponential growth in bandwidth demand. By harnessing the power of our networking systems, interconnects, automation software, and services, Ciena revolutionizes data transmission and network management. With unparalleled expertise and innovation, we empower our customers, partners, and communities to thrive in the AI era.