Form4insider filings, from the source

Insider · CIK 0001444157

David M Rothenstein

Files at: CIEN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $826k · 1net −$826k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 20, 2026 FForm 4 →Sep 22, 3:09 pm EDTCIENA CORPCIEN2,350$348.80$819,680175,381—
Sep 15, 2026 SForm 4 →Sep 17, 4:22 pm EDTCIENA CORPCIEN2,500$330.48$826,208177,731−1.39%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.