Form4insider filings, from the source

Insider · CIK 0002080157

Marc D. Graff

Files at: CIEN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.3M · 3net −$2.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 20, 2026 FForm 4 →Sep 22, 2:57 pm EDTCIENA CORPCIEN286$348.80$99,757107,233—
Aug 14, 2026 SForm 4 →Aug 18, 6:30 pm EDTCIENA CORPCIEN4,995$430.72$2,151,435107,519−4.44%10b5-1
Aug 1, 2026 FForm 4 →Aug 4, 6:07 pm EDTCIENA CORPCIEN14,441$377.05$5,444,979112,514—
Jul 1, 2026 SForm 4 →Jul 6, 6:17 pm EDTCIENA CORPCIEN126$466.20$58,741126,955−0.10%10b5-1
Jun 24, 2026 SForm 4 →Jun 26, 4:56 pm EDTCIENA CORPCIEN126$449.36$56,619127,081−0.10%10b5-1
Jun 20, 2026 FForm 4 →Jun 23, 1:58 pm EDTCIENA CORPCIEN199$428.22$85,216127,207—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.