Ciena Corp

Company facts

Industry

Telephone & Telegraph Apparatus

Headquarters

Hanover, Maryland

Most recent report

10-Q, filed Sep 3, 2026

Incorporated

Maryland

Filings on record

1,000+ filings

On EDGAR

CIK 936395

Fiscal year ends

October

Filer status

Large accelerated filer

What to read: Aug 2026 10-Q

SECSift found 2 of 13 sections worth reading, with 3 positive, 6 notable, and 1 negative flags.

• Financial Statements (Item 1)

  Core financial statements with major P&L and financing events.
  Notable

  • $72.4M inventory obsolescence provision in nine months, up from $34.2M, citing reduced demand.
  • Issued $2.875B 0% convertible notes due 2031; used $1.14B to repay term loan, bought hedge $988M, sold warrants $873M.

• Management's Discussion (Item 2)

  Revenue up 37%, gross margin up, major refinancing, strong cash flow; many specifics.
  Positive

  • Revenue up 37% to $1.7B in Q3 2026 vs $1.2B, driven by AI and cloud demand.
  • Gross margin rose to 45.4% in Q3 2026 from 41.3%, due to cost cuts and tariff refunds.
  • Operating cash flow rose to $684M in the first nine months of 2026 from $435M a year earlier.
  Notable

  • Orders significantly exceeded revenue in Q3 2026, building historically high backlog.
  • R&D spending rose 12% to $237M in Q3 2026, with focus on AI-driven network tech.
  • Issued $2.9B in convertible notes due 2031; used proceeds to repay term loan, cutting interest expense.
  • Purchase order commitments to suppliers stood at $3.3B as of August 1, 2026, partly cancellable.
  Negative

  • Sales to cloud providers are growing; a small number of these customers now account for a larger share.

What changed: Aug 2026 vs. May 2026

About 17% of CIEN's Aug 2026 10-Q is new information. 66 paragraphs were added, 153 changed, and 18 removed. Below are the most important lines SECSift identified.

• Item 1 82
• Item 2 78
• Item 6 8
• Item 5 4