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CIEN SEC Filings

SEC filings for CIEN. Annual and quarterly reports, 8-K events,
Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KForm 413D/GLast 12 months
FormFiledAccession
4Graff Marc D.SVP & Chief Financial OfficerAug 18, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerAug 18, 2026EDGAR
4SMITH GARY BPresident, CEOAug 18, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyAug 18, 2026EDGAR
SC 13G/AamendedFMR LLCAug 6, 2026EDGAR
SC 13G/AamendedAbigail P. JohnsonAug 6, 2026EDGAR
4Graff Marc D.SVP & Chief Financial OfficerAug 4, 2026EDGAR
4SMITH GARY BPresident, CEOAug 4, 2026EDGAR
4SMITH GARY BPresident, CEOJul 17, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerJul 17, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyJul 17, 2026EDGAR
4DiPerna DinoSVP Global R&DJul 17, 2026EDGAR
4Kosaraju SheelaSVP and General CounselJul 6, 2026EDGAR
4Graff Marc D.SVP & Chief Financial OfficerJul 6, 2026EDGAR
4Phipps JasonSVP Global Sales and MarketingJul 6, 2026EDGAR
4SMITH GARY BPresident, CEOJul 6, 2026EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetJun 30, 2026EDGAR
4Graff Marc D.SVP & Chief Financial OfficerJun 26, 2026EDGAR
4Hoffman GrantSVP Chief Supply Chain OfficerJun 23, 2026EDGAR
4Graff Marc D.SVP & Chief Financial OfficerJun 23, 2026EDGAR
4SMITH GARY BPresident, CEOJun 23, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerJun 23, 2026EDGAR
4Phipps JasonSVP Global Sales and MarketingJun 23, 2026EDGAR
4Kosaraju SheelaSVP and General CounselJun 23, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyJun 23, 2026EDGAR
4DiPerna DinoSVP Global R&DJun 23, 2026EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetJun 23, 2026EDGAR
4SMITH GARY BPresident, CEOJun 17, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerJun 17, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyJun 17, 2026EDGAR
8-KJun 11, 2026EDGAR
8-KJun 8, 2026EDGAR
8-KJun 4, 2026EDGAR
10-QJun 4, 2026EDGAR
4SMITH GARY BPresident, CEOJun 2, 2026EDGAR
4SMITH GARY BPresident, CEOMay 19, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerMay 19, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyMay 19, 2026EDGAR
4SMITH GARY BPresident, CEOMay 4, 2026EDGAR
SC 13GVanguard Capital ManagementApr 29, 2026EDGAR
SC 13GVanguard Portfolio ManagementApr 29, 2026EDGAR
4SMITH GARY BPresident, CEOApr 17, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerApr 17, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyApr 17, 2026EDGAR
4DiPerna DinoSVP Global R&DApr 16, 2026EDGAR
4Phipps JasonSVP Global Sales and MarketingApr 3, 2026EDGAR
4Kosaraju SheelaSVP and General CounselApr 3, 2026EDGAR
4SMITH GARY BPresident, CEOApr 3, 2026EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetMar 31, 2026EDGAR
8-KMar 31, 2026EDGAR
4FITT LAWTON WMar 30, 2026EDGAR
4PUMA MARY GMar 30, 2026EDGAR
4Olsen Joanne BethMar 30, 2026EDGAR
4NEVENS THOMAS MICHAELMar 30, 2026EDGAR
4KUMAR DEVINDERMar 30, 2026EDGAR
4GALLAGHER PATRICKMar 30, 2026EDGAR
4Claflin Bruce L.Mar 30, 2026EDGAR
4AHMED HASSANMar 30, 2026EDGAR
SC 13G/AamendedVANGUARD GROUP INCMar 26, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyMar 25, 2026EDGAR
4SMITH GARY BPresident, CEOMar 24, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerMar 24, 2026EDGAR
4Phipps JasonSVP Global Sales and MarketingMar 24, 2026EDGAR
4Kosaraju SheelaSVP and General CounselMar 24, 2026EDGAR
4Graff Marc D.SVP & Chief Financial OfficerMar 24, 2026EDGAR
4Gage BrodieSVP Global Products & SupplyMar 24, 2026EDGAR
4DiPerna DinoSVP Global R&DMar 24, 2026EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetMar 24, 2026EDGAR
4SMITH GARY BPresident, CEOMar 18, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerMar 18, 2026EDGAR
8-KMar 5, 2026EDGAR
10-QMar 5, 2026EDGAR
4SMITH GARY BPresident, CEOMar 4, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerFeb 19, 2026EDGAR
4SMITH GARY BPresident, CEOFeb 19, 2026EDGAR
4SMITH GARY BPresident, CEOFeb 4, 2026EDGAR
4Kosaraju SheelaSVP and General CounselJan 20, 2026EDGAR
4SMITH GARY BPresident, CEOJan 20, 2026EDGAR
4Phipps JasonSVP Global Sales and MarketingJan 20, 2026EDGAR
4DiPerna DinoSVP Global R&DJan 16, 2026EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerJan 13, 2026EDGAR
4GALLAGHER PATRICKJan 13, 2026EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetJan 13, 2026EDGAR
4SMITH GARY BPresident, CEOJan 6, 2026EDGAR
4Kosaraju SheelaSVP and General CounselJan 6, 2026EDGAR
4SMITH GARY BPresident, CEODec 29, 2025EDGAR
4SMITH GARY BPresident, CEODec 23, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerDec 23, 2025EDGAR
4Phipps JasonSVP Global Sales and MarketingDec 23, 2025EDGAR
4Kosaraju SheelaSVP and General CounselDec 23, 2025EDGAR
4Gage BrodieSVP Global Products & SupplyDec 23, 2025EDGAR
4DiPerna DinoSVP Global R&DDec 23, 2025EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetDec 23, 2025EDGAR
4Graff Marc D.SVP & Chief Financial OfficerDec 18, 2025EDGAR
4Kosaraju SheelaSVP and General CounselDec 18, 2025EDGAR
4Gage BrodieSVP Global Products & SupplyDec 18, 2025EDGAR
4DiPerna DinoSVP Global R&DDec 18, 2025EDGAR
4SMITH GARY BPresident, CEODec 18, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerDec 18, 2025EDGAR
4Phipps JasonSVP Global Sales and MarketingDec 18, 2025EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetDec 18, 2025EDGAR
4Phipps JasonSVP Global Sales and MarketingDec 18, 2025EDGAR
4NEVENS THOMAS MICHAELDec 17, 2025EDGAR
4Gage BrodieSVP Global Products & SupplyDec 16, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerDec 16, 2025EDGAR
10-KDec 12, 2025EDGAR
8-KDec 11, 2025EDGAR
4SMITH GARY BPresident, CEODec 5, 2025EDGAR
8-KDec 3, 2025EDGAR
4Gage BrodieSVP Global Products & SupplyNov 18, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerNov 18, 2025EDGAR
4DiPerna DinoSVP Global R&DNov 18, 2025EDGAR
4SMITH GARY BPresident, CEONov 12, 2025EDGAR
4SMITH GARY BPresident, CEONov 5, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerOct 17, 2025EDGAR
4SMITH GARY BPresident, CEOOct 17, 2025EDGAR
4Gage BrodieSVP Global Products & SupplyOct 17, 2025EDGAR
4DiPerna DinoSVP Global R&DOct 17, 2025EDGAR
8-KOct 7, 2025EDGAR
4Kosaraju SheelaSVP and General CounselOct 2, 2025EDGAR
4SMITH GARY BPresident, CEOOct 2, 2025EDGAR
4NEVENS THOMAS MICHAELOct 2, 2025EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetSep 29, 2025EDGAR
4Claflin Bruce L.Sep 26, 2025EDGAR
4Cumello JosephSVP, General Mgr. Blue PlanetSep 23, 2025EDGAR
4SMITH GARY BPresident, CEOSep 23, 2025EDGAR
4Gage BrodieSVP Global Products & SupplySep 23, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerSep 23, 2025EDGAR
4Phipps JasonSVP Global Sales and MarketingSep 23, 2025EDGAR
4Kosaraju SheelaSVP and General CounselSep 23, 2025EDGAR
4DiPerna DinoSVP Global R&DSep 23, 2025EDGAR
8-KSep 22, 2025EDGAR
4Rothenstein David MSVP and Chief Strategy OfficerSep 17, 2025EDGAR
4Gage BrodieSVP Global Products & SupplySep 17, 2025EDGAR
4SMITH GARY BPresident, CEOSep 17, 2025EDGAR
4SMITH GARY BPresident, CEOSep 4, 2025EDGAR
10-QSep 4, 2025EDGAR
8-KSep 4, 2025EDGAR

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Source: SEC EDGAR.