Monday 12 October 2026 Export all CIEN data to Excel Powerpack

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. In the quarter to July 2026, revenue grew 37.1%, EPS grew 437.1%, free cash flow fell 13.6% and total debt rose 110.0%, each against the same quarter a year earlier. Member of the S&P 500; operating cash flow growth for three consecutive years.

402.67 47.10 −10.47%
Market cap
$63.8B
P/E
97.4×
Fwd P/E
94.0×
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-K Nov 2, 2024

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.