Ciena Corporation

CIEN Technology Communication Equipment

Ciena Corporation’s revenue for fiscal 2025 (year ended October 2025) was $4.8 billion, up 18.8% from fiscal 2024.

Revenue
+37.1%
EPS
+437.1%
Free cash flow
−13.6%
Total debt
+110.0%

Quarter to July 2026, against a year earlier

320.72 28.73 −8.22%
Market cap
$49.6B
P/E
69.3×
Fwd P/E
55.3×
Dividend yield
—
F-score
7/9
Altman Z
5.80
Beneish M
−2.92
Dividend safety
n/a

Ciena Corporation (CIEN) SEC filings, changes and red flags

Red flags

Filings

Form Period Filed What it reports Flags
10-Q Aug 1, 2026 P1I2: 24 added · 13 removed · 43 modified
P2I1A: no material changes, the filing says
8-K Sep 3, 2026 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
8-K Jun 8, 2026 1.01 Entry into a material definitive agreement; 2.03 Creation of a direct financial obligation; 3.02 Unregistered sales of equity securities; 8.01 Other events; 9.01 Financial statements and exhibits
8-K Jun 8, 2026 8.01 Other events; 9.01 Financial statements and exhibits
10-Q May 2, 2026
8-K Jun 4, 2026 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
8-K Mar 26, 2026 5.07 Submission of matters to a vote of security holders
10-Q Jan 31, 2026
8-K Mar 5, 2026 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
10-K Nov 1, 2025 1: 35 added · 103 removed · 46 modified
1A: 61 added · 174 removed · 54 modified
7: 39 added · 58 removed · 51 modified
8-K Dec 11, 2025 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
8-K Nov 30, 2025 5.02 Departure or appointment of directors or officers Officer departure
8-K Oct 7, 2025 8.01 Other events
8-K Sep 22, 2025 8.01 Other events; 9.01 Financial statements and exhibits
10-Q Aug 2, 2025
8-K Sep 4, 2025 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
10-Q May 3, 2025
8-K Jun 5, 2025 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
10-Q Feb 1, 2025
8-K Mar 11, 2025 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
10-K Nov 2, 2024
8-K Dec 12, 2024 2.02 Results of operations and financial condition; 5.02 Departure or appointment of directors or officers; 5.03 Amendments to the articles or bylaws; change in fiscal year; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits
10-Q Jul 27, 2024
8-K Sep 4, 2024 2.02 Results of operations and financial condition; 5.02 Departure or appointment of directors or officers; 9.01 Financial statements and exhibits
8-K Jun 6, 2024 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
8-K Mar 7, 2024 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits
8-K Dec 7, 2023 2.02 Results of operations and financial condition; 9.01 Financial statements and exhibits

From the company’s filings on sec.gov. Red flags are raised by rules over the filings’ own data and text; they are not investment advice.