Company profile
Ciena Corp Insider Trading
CIENEvery SEC Form 4 insider trading filing for Ciena Corp (CIEN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Telephone & Telegraph Apparatus
- CIK
- 0000936395
- Filings
- 380
- Insiders
- 21
- Last filing
- 2026-09-16
Activity summary
No discretionary insider buying or selling in the last 30 days. The 6 transactions filed were made under a 10b5-1 plan, scheduled in advance rather than decided on the day.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Ciena Corp insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $50.7M.
90 day insight
Over the last 90 days, Ciena Corp insiders bought $0 (1 transaction) and sold $5.4M (1 transaction).
- Most active insider: Gary B Smith with 6 transactions totaling $7.1M.
- Largest single sale: $5.4M by Marc D. Graff on Aug 1, 2026.
- 96% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity is mixed — buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Dino DiPerna | CIEN | Sale10b5 | 249 | $350.00 | $87K |
| Sep 15, 2026 | Dino DiPerna | CIEN | Sale10b5 | 249 | $324.86 | $81K |
| Sep 15, 2026 | Brodie Gage | CIEN | Sale10b5 | 1,200 | $324.86 | $390K |
| Sep 15, 2026 | Gary B Smith | CIEN | Sale10b5 | 2,952 | $330.18 | $975K |
| Sep 15, 2026 | David M Rothenstein | CIEN | Sale10b5 | 2,500 | $330.48 | $826K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Ciena Corp as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →