StockCIK 936395
CIENA CORP (CIEN): Insider Trades and Fund Holdings
In the past 12 months, CIENA CORP insiders reported 0 open-market purchases worth $0 and 21 sales worth $16.9M; 19 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$16.9MSold by insiders, 12 months
2Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 19, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 19 | Gary B. SmithCEO | ▼ SELL10b5-1 | $1.03M |
| Oct 19 | David M. RothensteinEVP | ▼ SELL10b5-1 | $870K |
| Oct 19 | Brodie GageEVP | ▼ SELL10b5-1 | $413K |
| Oct 19 | Dino DipernaEVP | ▼ SELL10b5-1 | $309K |
| Oct 13 | Gary B. SmithCEO | ▼ SELL10b5-1 | $1.09M |
| Oct 6 | Jason PhippsEVP | ▼ SELL10b5-1 | $934K |
| Oct 6 | Sheela KosarajuGeneral Counsel | ▼ SELL10b5-1 | $746K |
| Oct 6 | Marc D. GraffCFO | ▼ SELL10b5-1 | $34K |
| Sep 29 | Joseph CumelloEVP | ▼ SELL10b5-1 | $569K |
| Sep 28 | Bruce L. ClaflinDirector | ▼ SELL | $1.02M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 21 CIEN insider trades →Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Gary B. Smith | CEO | 0 | $0 | 5 | $5.49M |
| David M. Rothenstein | EVP | 0 | $0 | 3 | $2.79M |
| Brodie Gage | EVP | 0 | $0 | 3 | $1.33M |
| Dino Diperna | EVP | 0 | $0 | 3 | $477K |
| Jason Phipps | EVP | 0 | $0 | 1 | $934K |
| Sheela Kosaraju | General Counsel | 0 | $0 | 1 | $746K |
| Marc D. Graff | CFO | 0 | $0 | 2 | $2.19M |
| Joseph Cumello | EVP | 0 | $0 | 1 | $569K |
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Tracked funds that report CIEN
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 184,774 | $90.6M | ▲ +88.9% |
| Bridgewater Associates | 101,038 | $49.6M | ▼ −29.8% |
| Lone Pine Capital | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →