CIEN

CIENA CORP SEC Filings

CIEN

Latest CIENA CORP (CIEN) SEC filings and EDGAR documents — 8-K current reports, 10-K/10-Q, Form 4 insider trades, with plain-language summaries.

NYSETelephone & Telegraph ApparatusCIK: 0000936395
CIENA CORP (CIEN)4

Graff Marc D. sold 14,441 shares at $377.05 on 2026-08-01

Aug 4
CIENA CORP (CIEN)4

SMITH GARY B sold 2,952 shares at $379.81 on 2026-08-03

Aug 4
CIENA CORP (CIEN)4

SMITH GARY B sold 2,952 shares at $421.10 on 2026-07-15

Jul 17
CIENA CORP (CIEN)4

Rothenstein David M sold 2,500 shares at $420.91 on 2026-07-15

Jul 17
CIENA CORP (CIEN)4

Gage Brodie sold 1,200 shares at $449.15 on 2026-07-15

Jul 17
CIENA CORP (CIEN)4

DiPerna Dino sold 391 shares at $449.15 on 2026-07-15

Jul 17
CIENA CORP (CIEN)144

Gary B. Smith plans to sell 17,712 Common Stock ($7.4M)

Jul 15
CIENA CORP (CIEN)144

DAVID ROTHENSTEIN plans to sell 2,500 Common ($1.1M)

Jul 15
CIENA CORP (CIEN)144

BRODIE GAGE plans to sell 1,200 Common ($539.0K)

Jul 15
CIENA CORP (CIEN)144

DINO DIPERNA plans to sell 782 Common ($351.2K)

Jul 15
CIENA CORP (CIEN)4

Graff Marc D. sold 126 shares of Common Stock at $466.20 on 2026-07-01

Jul 6
CIENA CORP (CIEN)4

Kosaraju Sheela sold 2,013 shares of Common Stock at $466.20 on 2026-07-01

Jul 6
CIENA CORP (CIEN)4

Phipps Jason sold 2,629 shares of Common Stock at $466.20 on 2026-07-01

Jul 6
CIENA CORP (CIEN)4

SMITH GARY B sold 2,952 shares of Common Stock at $468.83 on 2026-07-01

Jul 6
CIENA CORP (CIEN)4

Cumello Joseph sold 1,586 shares of Common Stock at $466.33 on 2026-06-26

Jun 30
CIENA CORP (CIEN)4

Graff Marc D. sold 126 shares of Common Stock at $449.36 on 2026-06-24

Jun 26
CIENA CORP (CIEN)4

Graff Marc D. sold 199 shares of Common Stock at $428.22 on 2026-06-20

Jun 23
CIENA CORP (CIEN)4

Gage Brodie sold 204 shares of Common Stock at $428.22 on 2026-06-20; Gage Brodie sold 442 shares of Common Stock at $428.22 on 2026-06-20; Gage Brodie sold 669 shares of Common Stock at $428.22 on 2026-06-20; Gage Brodie sold 388 shares of Common Stock at $428.22 on 2026-06-20; Gage Brodie sold 231 shares of Common Stock at $428.22 on 2026-06-20

Jun 23
CIENA CORP (CIEN)4

DiPerna Dino sold 204 shares of Common Stock at $428.22 on 2026-06-20; DiPerna Dino sold 444 shares of Common Stock at $428.22 on 2026-06-20; DiPerna Dino sold 730 shares of Common Stock at $428.22 on 2026-06-20; DiPerna Dino sold 428 shares of Common Stock at $428.22 on 2026-06-20; DiPerna Dino sold 248 shares of Common Stock at $428.22 on 2026-06-20

Jun 23
CIENA CORP (CIEN)4

Kosaraju Sheela sold 164 shares of Common Stock at $428.22 on 2026-06-20; Kosaraju Sheela sold 728 shares of Common Stock at $428.22 on 2026-06-20; Kosaraju Sheela sold 578 shares of Common Stock at $428.22 on 2026-06-20; Kosaraju Sheela sold 345 shares of Common Stock at $428.22 on 2026-06-20; Kosaraju Sheela sold 198 shares of Common Stock at $428.22 on 2026-06-20

Jun 23