CIENCiena

$449.80+226% 1Y

$449.80

$137.1752 weeks$627.00

CIEN in its own filings

Nothing in CIEN's filing record raises a hard flag: no restatement, late filing, bankruptcy or delisting notice, and no auditor change next to one. That is the common case, not a distinction.

464

Events found in the filings · across 3,793 filings · the record starts in 1997

Hard flags: none
Hard flags
Most recent filing: Sep 3, 2026
Most recent filing · Form 10-Q
Record starts: Feb 19, 1997
Record starts · the earliest filing Ryufin holds for this name

Details›

Next results filingsame week as a year ago: expected around Dec 10, 2026
Security removed from listing or deregisteredhistorical · usually a matured note or preferred class, not the common shares: 2013-12-13
Material impairment2 occurrences: 2009-04-17
SEC comment-letter activity29 occurrences: 2020-04-27

SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.

What the company said

The company's own words from its current reports to the SEC, newest first

Sep 3, 2026Ciena Reports Fiscal Third Quarter 2026 Financial Results.Earnings release · press release
Jun 11, 2026Indenture and Notes On June 11, 2026, Ciena Corporation (the “Company”) closed its previously announced private offering (the “Offering”) of $2.875 billion aggregate principal amount of the Company’s 0.00% Convertible Senior Notes due 2031 (the “Notes”), which includes $375.0 million aggregate principal amount of …Material agreement entered · Form 8-K
Jun 8, 2026Convertible Notes Offering On June 8, 2026, Ciena Corporation (the “Company”) issued a press release announcing its intention to offer (the “Offering”) $2.0 billion aggregate principal amount of convertible senior notes due 2031 (the “Notes”) in a private placement to persons reasonably believed to be qualified …Other event · Form 8-K
Jun 4, 2026Ciena Reports Fiscal Second Quarter 2026 Financial Results.Earnings release · press release
Mar 5, 2026Ciena Reports Fiscal First Quarter 2026 Financial Results.Earnings release · press release
Dec 11, 2025Ciena Reports Fiscal Fourth Quarter 2025 and Year-End Financial Results.Earnings release · press release
Dec 4, 2025Effective November 30, 2025, as part of Ciena Corporation’s (“Ciena’s”) standard three-year review and renewal of its previously disclosed change in control severance agreements, Ciena entered into change in control severance agreements (the “Change in Control Severance Agreements”) in a revised form with each of its …Director or officer change · Form 8-K
Oct 7, 2025On October 7, 2025, Ciena Corporation completed its acquisition of privately-held Nubis Communications, Inc., which specializes in high-performance, ultra-compact, low-power optical and electrical interconnects tailored to support artificial intelligence (AI) workloads.Other event · Form 8-K
Sep 22, 2025On September 22, 2025, Ciena Corporation ("Ciena") issued a press release announcing that it has entered into a definitive agreement to acquire privately-held Nubis Communications, Inc., which specializes in high-performance, ultra-compact, low-power optical and electrical interconnects tailored to support artificial …Other event · Form 8-K
Sep 4, 2025Ciena Reports Fiscal Third Quarter 2025 Financial Results.Earnings release · press release