Form4insider filings, from the source

Company · CIK 0000936395 · SIC 3661 — Telephone & Telegraph Apparatus · NYSE

CIENA CORP · CIEN

Insider activity reported against this company. All insider holders · Files at: CYNI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market activity at this companybuys $0 · 0sales $4.8M · 6net −$4.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 GForm 4 →Sep 25, 3:18 pm EDTThomas Michael NevensDirector2,797——3,492—
Sep 23, 2026 SForm 4 →Sep 25, 3:18 pm EDTThomas Michael NevensDirector3,738$359.04$1,342,0926,289−37.3%
Sep 20, 2026 FForm 4 →Sep 22, 4:43 pm EDTJoseph CumelloEVP & General Mgr.1,716$348.80$598,54141,156—
Sep 20, 2026 FForm 4 →Sep 22, 3:21 pm EDTDino DiPernaEVP & Chief R&D Officer2,053$348.80$716,08637,073—
Sep 20, 2026 FForm 4 →Sep 22, 3:18 pm EDTGrant HoffmanEVP & Chief Supply170$348.80$59,2966,347—
Sep 20, 2026 FForm 4 →Sep 22, 3:14 pm EDTBrodie GageEVP & Chief Product &1,934$348.80$674,57935,273—
Sep 20, 2026 FForm 4 →Sep 22, 3:10 pm EDTGary B SmithPresident & CEO, Director8,767$348.80$3,057,930231,359—
Sep 20, 2026 FForm 4 →Sep 22, 3:09 pm EDTDavid M RothensteinEVP & Chief Strategy Officer2,350$348.80$819,680175,381—
Sep 20, 2026 FForm 4 →Sep 22, 3:03 pm EDTJason PhippsEVP & Chief Customer Officer2,365$348.80$824,91260,017—
Sep 20, 2026 FForm 4 →Sep 22, 3:00 pm EDTSheela KosarajuEVP & Chief Legal Officer1,915$348.80$667,95286,166—
Sep 20, 2026 FForm 4 →Sep 22, 2:57 pm EDTMarc D. GraffEVP & Chief Financial Officer286$348.80$99,757107,233—
Sep 15, 2026 SForm 4 →Sep 17, 4:24 pm EDTGary B SmithPresident & CEO, Director2,952$330.18$974,688240,126−1.21%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 4:22 pm EDTDavid M RothensteinEVP & Chief Strategy Officer2,500$330.48$826,208177,731−1.39%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 4:20 pm EDTBrodie GageEVP & Chief Product &1,200$324.86$389,83237,207−3.12%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 4:17 pm EDTDino DiPernaEVP & Chief R&D Officer498$337.43$168,04039,126−1.26%10b5-1
Sep 1, 2026 SForm 4 →Sep 2, 6:35 pm EDTGary B SmithPresident, CEO, Director2,952$362.90$1,071,278243,078−1.20%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.

Filed by this entity as an insider elsewhere — common stock

No reported common-stock activity in this period.

Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.