Rothenstein David M, SVP and Chief Strategy Officer at CIENA CORP, sold $1.4M of CIEN
This page documents an SEC Form 4 insider trading disclosure for $CIEN securities filed with the Securities and Exchange Commission. Section 16 of the Securities Exchange Act of 1934 mandates that corporate officers, directors, and beneficial owners of more than 10% of a company's registered equity securities must report their personal trades within two business days of execution. Insider transactions are closely monitored by market participants because insiders possess firsthand knowledge of company operations, financial condition, and near-term prospects. The transaction details below are drawn directly from the SEC EDGAR filing database and reflect the information as reported.
Transaction Details
| Insider | Rothenstein David M |
|---|---|
| Title | SVP and Chief Strategy Officer |
| Company | CIENA CORP |
| Ticker | CIEN |
| Transaction Type | Sale |
| Transaction Date | 2026-05-15 |
| Shares Traded | 2,500 |
| Price Per Share | $562.3875 |
| Total Value | $1.4M |
| Filed Date | 2026-05-19 |
| Accession Number | 0001444157-26-000014 |
Ownership Context
| Shares Owned After Transaction | 190,081 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001444157-26-000014
Other Insider Trades — CIEN
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| SMITH GARY B | President, CEO, Director | sold | $1.1M | 2026-08-03 |
| Graff Marc D. | SVP & Chief Financial Officer | traded | $5.4M | 2026-08-01 |
| DiPerna Dino | SVP Global R&D | sold | $176K | 2026-07-15 |
| Rothenstein David M | SVP and Chief Strategy Officer | sold | $1.1M | 2026-07-15 |
| SMITH GARY B | President, CEO, Director | sold | $1.2M | 2026-07-15 |
| Gage Brodie | SVP Global Products & Supply | sold | $539K | 2026-07-15 |
| Kosaraju Sheela | SVP and General Counsel | sold | $938K | 2026-07-01 |
| SMITH GARY B | President, CEO, Director | sold | $1.4M | 2026-07-01 |
| Phipps Jason | SVP Global Sales and Marketing | sold | $1.2M | 2026-07-01 |
| Graff Marc D. | SVP & Chief Financial Officer | sold | $59K | 2026-07-01 |
Other Trades by Rothenstein David M
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| CIEN | CIENA CORP | sold | $1.1M | 2026-07-15 |
| CIEN | CIENA CORP | traded | $291K | 2026-06-20 |
| CIEN | CIENA CORP | traded | $87K | 2026-06-20 |
| CIEN | CIENA CORP | traded | $347K | 2026-06-20 |
| CIEN | CIENA CORP | traded | $187K | 2026-06-20 |
| CIEN | CIENA CORP | traded | $94K | 2026-06-20 |
| CIEN | CIENA CORP | sold | $1.1M | 2026-06-15 |
| CIEN | CIENA CORP | sold | $1.2M | 2026-04-15 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: August 12, 2026 at 07:28 UTC