CIEN: Ciena Corporation insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 12 sales totaling $8.35M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-15 | Gage Brodie | Officer | $413K | yes |
| 2026-10-15 | Diperna Dino | Officer | $153K | yes |
| 2026-10-15 | Diperna Dino | Officer | $156K | yes |
| 2026-10-15 | Rothenstein David M | Officer | $870K | yes |
| 2026-10-15 | Smith Gary B | CEO | $1.03M | yes |
| 2026-10-01 | Smith Gary B | CEO | $1.09M | yes |
| 2026-10-01 | Graff Marc D. | CFO | $34K | yes |
| 2026-10-01 | Kosaraju Sheela | Officer | $746K | yes |
| 2026-10-01 | Phipps Jason | Officer | $934K | yes |
| 2026-09-25 | Cumello Joseph | Officer | $569K | yes |
| 2026-09-24 | Claflin Bruce L. | Director | $1.02M | |
| 2026-09-23 | Nevens Thomas Michael | Director | $1.34M |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-09-03 | Fell below 5% | JPMORGAN CHASE & CO. | 3.90% | SEC | |
| 2026-08-06 | 13G amendment | FMR LLC | 13.50% | SEC |
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