Ciena (CIEN) — operating income
Quarterly operating income as filed with the SEC. Each figure below carries the filing it came from, so it can be checked. Most recent: $301.2M for CY2026Q2, filed 2026-09-03.
| Period | Quarter end | Operating income | Filed | Filing | Restated |
|---|---|---|---|---|---|
| CY2024Q3 | 2024-11-02 | $59.2M | 2025-12-12 | 10-K 0001628280-25-056698 | |
| CY2024Q4 | 2025-02-01 | $80.7M | 2026-03-05 | 10-Q 0001628280-26-015152 | |
| CY2025Q1 | 2025-05-03 | $32.8M | 2026-06-04 | 10-Q 0001628280-26-040767 | |
| CY2025Q2 | 2025-08-02 | $73.5M | 2026-09-03 | 10-Q 0001628280-26-060361 | |
| CY2025Q3 | 2025-11-01 | $10.5M | 2025-12-12 | 10-K 0001628280-25-056698 | |
| CY2025Q4 | 2026-01-31 | $189.4M | 2026-03-05 | 10-Q 0001628280-26-015152 | |
| CY2026Q1 | 2026-05-02 | $237.9M | 2026-06-04 | 10-Q 0001628280-26-040767 | |
| CY2026Q2 | 2026-08-01 | $301.2M | 2026-09-03 | 10-Q 0001628280-26-060361 |
Figures are read from the company's own SEC XBRL filings. Nothing is estimated; an unknown is shown as unknown.