Ciena Corp Inventory Write-down
Ciena Corp (CIEN) reported Inventory Write-down of $72.43 million for the 9-month period ending 2026-08-01, per its 10-Q filed 2026-09-03.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:InventoryWriteDown · last filed 2026-09-03
- Ciena Corp inventory write-down for the quarter ending 2026-08-01 was $29.95M, a 178.47% increase year-over-year.
- Ciena Corp inventory write-down for the quarter ending 2026-05-02 was $20.65M, a 65.02% increase year-over-year.
- Ciena Corp inventory write-down for the quarter ending 2026-01-31 was $21.83M, a 99.96% increase year-over-year.
- Ciena Corp inventory write-down for the quarter ending 2025-11-01 was $14.24M, a 66.05% decline year-over-year.
- Ciena Corp inventory write-down for fiscal 2025 was $48.42M, a 37.39% decline from fiscal 2024.
- Ciena Corp inventory write-down for fiscal 2024 was $77.34M, a 162.49% increase from fiscal 2023.
- Ciena Corp inventory write-down for fiscal 2023 was $29.46M, a 82.06% increase from fiscal 2022.
- Ciena Corp inventory write-down for fiscal 2022 was $16.18M, a 9.33% decline from fiscal 2021.
| Period end | Inventory Write-down 3 month | Inventory Write-down 6 month | Inventory Write-down 9 month | Inventory Write-down 12 month |
|---|---|---|---|---|
| 2026-08-01 | $29.95M derived: 10-Q 9 month − 10-Q 6 month · filed 2026-09-03 | $50.60M derived: sum of 2 quarters · filed 2026-09-03 | $72.43M 10-Q · filed 2026-09-03 | $86.67M derived: sum of 4 quarters · filed 2026-09-03 |
| 2026-05-02 | $20.65M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-06-04 | $42.48M 10-Q · filed 2026-06-04 | $56.72M derived: sum of 3 quarters · filed 2026-06-04 | $67.47M derived: sum of 4 quarters · filed 2026-09-03 |
| 2026-01-31 | $21.83M 10-Q · filed 2026-03-05 | $36.07M derived: sum of 2 quarters · filed 2026-03-05 | $46.83M derived: sum of 3 quarters · filed 2026-09-03 | $59.34M derived: sum of 4 quarters · filed 2026-09-03 |
| 2025-11-01 | $14.24M derived: 10-K 12 month − 10-Q 9 month · filed 2025-12-12 | $24.99M derived: sum of 2 quarters · filed 2026-09-03 | $37.51M derived: sum of 3 quarters · filed 2026-09-03 | $48.42M 10-K · filed 2025-12-12 |
| 2025-08-02 | $10.75M derived: 10-Q 9 month − 10-Q 6 month · filed 2026-09-03 | $23.27M derived: sum of 2 quarters · filed 2026-09-03 | $34.19M 10-Q · filed 2026-09-03 | $76.13M derived: sum of 4 quarters · filed 2026-09-03 |
| 2025-05-03 | $12.51M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-06-04 | $23.43M 10-Q · filed 2026-06-04 | $65.37M derived: sum of 3 quarters · filed 2026-06-04 | $77.62M derived: sum of 4 quarters · filed 2026-06-04 |
| 2025-02-01 | $10.92M 10-Q · filed 2026-03-05 | $52.86M derived: sum of 2 quarters · filed 2026-03-05 | $65.11M derived: sum of 3 quarters · filed 2026-03-05 | $77.91M derived: sum of 4 quarters · filed 2026-03-05 |
| 2024-11-02 | $41.94M derived: 10-K 12 month − 10-Q 9 month · filed 2025-12-12 | $54.19M derived: sum of 2 quarters · filed 2025-12-12 | $66.99M derived: sum of 3 quarters · filed 2025-12-12 | $77.34M 10-K · filed 2025-12-12 |
| 2024-07-27 | $12.25M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-09-04 | $25.05M derived: sum of 2 quarters · filed 2025-09-04 | $35.40M 10-Q · filed 2025-09-04 | $46.10M derived: sum of 4 quarters · filed 2025-12-12 |
| 2024-04-27 | $12.80M derived: 10-Q 6 month − 10-Q 3 month · filed 2025-06-05 | $23.15M 10-Q · filed 2025-06-05 | $33.85M derived: sum of 3 quarters · filed 2025-12-12 | $39.92M derived: sum of 4 quarters · filed 2025-12-12 |
| 2024-01-27 | $10.35M 10-Q · filed 2025-03-12 | $21.05M derived: sum of 2 quarters · filed 2025-12-12 | $27.12M derived: sum of 3 quarters · filed 2025-12-12 | $34.31M derived: sum of 4 quarters · filed 2025-12-12 |
| 2023-10-28 | $10.70M derived: 10-K 12 month − 10-Q 9 month · filed 2025-12-12 | $16.77M derived: sum of 2 quarters · filed 2025-12-12 | $23.96M derived: sum of 3 quarters · filed 2025-12-12 | $29.46M 10-K · filed 2025-12-12 |
| 2023-07-29 | $6.08M derived: 10-Q 9 month − 10-Q 6 month · filed 2024-09-04 | $13.26M derived: sum of 2 quarters · filed 2024-09-04 | $18.77M 10-Q · filed 2024-09-04 | $22.91M derived: sum of 4 quarters · filed 2024-12-20 |
| 2023-04-29 | $7.19M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-06-06 | $12.69M 10-Q · filed 2024-06-06 | $16.84M derived: sum of 3 quarters · filed 2024-12-20 | $20.39M derived: sum of 4 quarters · filed 2024-12-20 |
| 2023-01-28 | $5.50M 10-Q · filed 2024-03-07 | $9.65M derived: sum of 2 quarters · filed 2024-12-20 | $13.20M derived: sum of 3 quarters · filed 2024-12-20 | $17.89M derived: sum of 4 quarters · filed 2024-12-20 |
| 2022-10-29 | $4.15M derived: 10-K 12 month − 10-Q 9 month · filed 2024-12-20 | $7.70M derived: sum of 2 quarters · filed 2024-12-20 | $12.38M derived: sum of 3 quarters · filed 2024-12-20 | $16.18M 10-K · filed 2024-12-20 |
| 2022-07-30 | $3.55M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-09-06 | $8.24M derived: sum of 2 quarters · filed 2023-09-06 | $12.04M 10-Q · filed 2023-09-06 | $16.43M derived: sum of 4 quarters · filed 2023-12-15 |
| 2022-04-30 | $4.69M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-06-07 | $8.49M 10-Q · filed 2023-06-07 | $12.88M derived: sum of 3 quarters · filed 2023-12-15 | $15.94M derived: sum of 4 quarters · filed 2023-12-15 |
| 2022-01-29 | $3.80M 10-Q · filed 2023-03-08 | $8.19M derived: sum of 2 quarters · filed 2023-12-15 | $11.25M derived: sum of 3 quarters · filed 2023-12-15 | $15.74M derived: sum of 4 quarters · filed 2023-12-15 |
| 2021-10-30 | $4.39M derived: 10-K 12 month − 10-Q 9 month · filed 2023-12-15 | $7.45M derived: sum of 2 quarters · filed 2023-12-15 | $11.95M derived: sum of 3 quarters · filed 2023-12-15 | $17.85M 10-K · filed 2023-12-15 |
| 2021-07-31 | $3.06M derived: 10-Q 9 month − 10-Q 6 month · filed 2022-09-07 | $7.55M derived: sum of 2 quarters · filed 2022-09-07 | $13.46M 10-Q · filed 2022-09-07 | $17.98M derived: sum of 4 quarters · filed 2022-12-16 |
| 2021-05-01 | $4.50M derived: 10-Q 6 month − 10-Q 3 month · filed 2022-06-08 | $10.40M 10-Q · filed 2022-06-08 | $14.93M derived: sum of 3 quarters · filed 2022-12-16 | $22.46M derived: sum of 4 quarters · filed 2022-12-16 |
| 2021-01-30 | $5.91M 10-Q · filed 2022-03-09 | $10.43M derived: sum of 2 quarters · filed 2022-12-16 | $17.97M derived: sum of 3 quarters · filed 2022-12-16 | $23.91M derived: sum of 4 quarters · filed 2022-12-16 |
| 2020-10-31 | $4.53M derived: 10-K 12 month − 10-Q 9 month · filed 2022-12-16 | $12.06M derived: sum of 2 quarters · filed 2022-12-16 | $18.00M derived: sum of 3 quarters · filed 2022-12-16 | $24.70M 10-K · filed 2022-12-16 |
| 2020-08-01 | $7.54M derived: 10-Q 9 month − 10-Q 6 month · filed 2021-09-08 | $13.48M derived: sum of 2 quarters · filed 2021-09-08 | $20.18M 10-Q · filed 2021-09-08 | |
| 2020-05-02 | $5.94M derived: 10-Q 6 month − 10-Q 3 month · filed 2021-06-09 | $12.64M 10-Q · filed 2021-06-09 | ||
| 2020-02-01 | $6.70M 10-Q · filed 2021-03-10 | |||
| 2020-01-31 | $6.70M 10-Q · filed 2020-03-11 | $15.95M derived: sum of 2 quarters · filed 2021-12-17 | ||
| 2019-11-02 | $9.25M derived: 10-K 12 month − 10-Q 9 month · filed 2021-12-17 | $28.09M 10-K · filed 2021-12-17 | ||
| 2019-10-31 | $9.25M derived: 10-K 12 month − 10-Q 9 month · filed 2019-12-20 | $17.84M derived: sum of 2 quarters · filed 2020-09-09 | $28.09M 10-K · filed 2019-12-20 | |
| 2019-08-03 | $8.59M derived: 10-Q 9 month − 10-Q 6 month · filed 2020-09-09 | $18.83M 10-Q · filed 2020-09-09 | ||
| 2019-07-31 | $8.59M derived: 10-Q 9 month − 10-Q 6 month · filed 2019-09-11 | $14.16M derived: sum of 2 quarters · filed 2019-09-11 | $18.83M 10-Q · filed 2019-09-11 | $29.51M derived: sum of 4 quarters · filed 2020-12-18 |
| 2019-05-04 | $10.24M 10-Q · filed 2020-06-10 | |||
| 2019-04-30 | $5.57M derived: 10-Q 6 month − 10-Q 3 month · filed 2019-06-12 | $10.24M 10-Q · filed 2019-06-12 | $20.92M derived: sum of 3 quarters · filed 2020-12-18 | |
| 2019-01-31 | $4.67M 10-Q · filed 2020-03-11 | $15.35M derived: sum of 2 quarters · filed 2020-12-18 | ||
| 2018-11-03 | $10.67M derived: 10-K 12 month − 10-Q 9 month · filed 2020-12-18 | $30.61M 10-K · filed 2020-12-18 | ||
| 2018-10-31 | $10.67M derived: 10-K 12 month − 10-Q 9 month · filed 2019-12-20 | $15.64M derived: sum of 2 quarters · filed 2019-12-20 | $23.81M derived: sum of 3 quarters · filed 2019-12-20 | $30.61M 10-K · filed 2019-12-20 |
| 2018-07-31 | $4.96M derived: 10-Q 9 month − 10-Q 6 month · filed 2019-09-11 | $13.14M derived: sum of 2 quarters · filed 2019-09-11 | $19.94M 10-Q · filed 2019-09-11 | $26.67M derived: sum of 4 quarters · filed 2019-12-20 |
| 2018-04-30 | $8.17M derived: 10-Q 6 month − 10-Q 3 month · filed 2019-06-12 | $14.98M 10-Q · filed 2019-06-12 | $21.71M derived: sum of 3 quarters · filed 2019-12-20 | $30.81M derived: sum of 4 quarters · filed 2019-12-20 |
| 2018-01-31 | $6.80M 10-Q · filed 2019-03-11 | $13.54M derived: sum of 2 quarters · filed 2019-12-20 | $22.64M derived: sum of 3 quarters · filed 2019-12-20 | $36.83M derived: sum of 4 quarters · filed 2019-12-20 |
| 2017-10-31 | $6.73M derived: 10-K 12 month − 10-Q 9 month · filed 2019-12-20 | $15.84M derived: sum of 2 quarters · filed 2019-12-20 | $30.03M derived: sum of 3 quarters · filed 2019-12-20 | $35.46M 10-K · filed 2019-12-20 |
| 2017-07-31 | $9.10M derived: 10-Q 9 month − 10-Q 6 month · filed 2018-09-05 | $23.30M derived: sum of 2 quarters · filed 2018-09-05 | $28.73M 10-Q · filed 2018-09-05 | $35.78M derived: sum of 4 quarters · filed 2018-12-21 |
| 2017-04-30 | $14.19M derived: 10-Q 6 month − 10-Q 3 month · filed 2018-06-06 | $19.62M 10-Q · filed 2018-06-06 | $26.67M derived: sum of 3 quarters · filed 2018-12-21 | $33.23M derived: sum of 4 quarters · filed 2018-12-21 |
| 2017-01-31 | $5.43M 10-Q · filed 2018-03-07 | $12.48M derived: sum of 2 quarters · filed 2018-12-21 | $19.04M derived: sum of 3 quarters · filed 2018-12-21 | $32.13M derived: sum of 4 quarters · filed 2018-12-21 |
| 2016-10-31 | $7.05M derived: 10-K 12 month − 10-Q 9 month · filed 2018-12-21 | $13.61M derived: sum of 2 quarters · filed 2018-12-21 | $26.70M derived: sum of 3 quarters · filed 2018-12-21 | $33.71M 10-K · filed 2018-12-21 |
| 2016-07-31 | $6.56M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-09-07 | $19.65M derived: sum of 2 quarters · filed 2017-09-07 | $26.66M 10-Q · filed 2017-09-07 | $35.50M derived: sum of 4 quarters · filed 2017-12-22 |
| 2016-04-30 | $13.09M derived: 10-Q 6 month − 10-Q 3 month · filed 2017-06-07 | $20.10M 10-Q · filed 2017-06-07 | $28.94M derived: sum of 3 quarters · filed 2017-12-22 | $36.12M derived: sum of 4 quarters · filed 2017-12-22 |
| 2016-01-31 | $7.02M 10-Q · filed 2017-03-08 | $15.85M derived: sum of 2 quarters · filed 2017-12-22 | $23.03M derived: sum of 3 quarters · filed 2017-12-22 | $28.07M derived: sum of 4 quarters · filed 2017-12-22 |
| 2015-10-31 | $8.84M derived: 10-K 12 month − 10-Q 9 month · filed 2017-12-22 | $16.01M derived: sum of 2 quarters · filed 2017-12-22 | $21.06M derived: sum of 3 quarters · filed 2017-12-22 | $26.85M 10-K · filed 2017-12-22 |
| 2015-07-31 | $7.18M derived: 10-Q 9 month − 10-Q 6 month · filed 2016-09-07 | $12.22M derived: sum of 2 quarters · filed 2016-09-07 | $18.01M 10-Q · filed 2016-09-07 | $28.32M derived: sum of 4 quarters · filed 2016-12-21 |
| 2015-04-30 | $5.05M derived: 10-Q 6 month − 10-Q 3 month · filed 2016-06-08 | $10.83M 10-Q · filed 2016-06-08 | $21.14M derived: sum of 3 quarters · filed 2016-12-21 | $30.19M derived: sum of 4 quarters · filed 2016-12-21 |
| 2015-01-31 | $5.79M 10-Q · filed 2016-03-09 | $16.09M derived: sum of 2 quarters · filed 2016-12-21 | $25.15M derived: sum of 3 quarters · filed 2016-12-21 | $32.68M derived: sum of 4 quarters · filed 2016-12-21 |
| 2014-10-31 | $10.31M derived: 10-K 12 month − 10-Q 9 month · filed 2016-12-21 | $19.36M derived: sum of 2 quarters · filed 2016-12-21 | $26.89M derived: sum of 3 quarters · filed 2016-12-21 | $32.33M 10-K · filed 2016-12-21 |
| 2014-07-31 | $9.05M derived: 10-Q 9 month − 10-Q 6 month · filed 2015-09-09 | $16.59M derived: sum of 2 quarters · filed 2015-09-09 | $22.03M 10-Q · filed 2015-09-09 | $26.66M derived: sum of 4 quarters · filed 2015-12-21 |
| 2014-04-30 | $7.53M derived: 10-Q 6 month − 10-Q 3 month · filed 2015-06-10 | $12.97M 10-Q · filed 2015-06-10 | $17.61M derived: sum of 3 quarters · filed 2015-12-21 | $23.88M derived: sum of 4 quarters · filed 2015-12-21 |
| 2014-01-31 | $5.44M 10-Q · filed 2015-03-12 | $10.08M derived: sum of 2 quarters · filed 2015-12-21 | $16.35M derived: sum of 3 quarters · filed 2015-12-21 | $21.80M derived: sum of 4 quarters · filed 2015-12-21 |
| 2013-10-31 | $4.64M derived: 10-K 12 month − 10-Q 9 month · filed 2015-12-21 | $10.91M derived: sum of 2 quarters · filed 2015-12-21 | $16.36M derived: sum of 3 quarters · filed 2015-12-21 | $19.94M 10-K · filed 2015-12-21 |
| 2013-07-31 | $6.27M derived: 10-Q 9 month − 10-Q 6 month · filed 2014-09-09 | $11.72M derived: sum of 2 quarters · filed 2014-09-09 | $15.30M 10-Q · filed 2014-09-09 | $19.67M derived: sum of 4 quarters · filed 2014-12-19 |
| 2013-04-30 | $5.45M derived: 10-Q 6 month − 10-Q 3 month · filed 2014-06-11 | $9.03M 10-Q · filed 2014-06-11 | $13.39M derived: sum of 3 quarters · filed 2014-12-19 | $18.48M derived: sum of 4 quarters · filed 2014-12-19 |
| 2013-01-31 | $3.58M 10-Q · filed 2014-03-07 | $7.95M derived: sum of 2 quarters · filed 2014-12-19 | $13.04M derived: sum of 3 quarters · filed 2014-12-19 | $18.79M derived: sum of 4 quarters · filed 2014-12-19 |
| 2012-10-31 | $4.37M derived: 10-K 12 month − 10-Q 9 month · filed 2014-12-19 | $9.46M derived: sum of 2 quarters · filed 2014-12-19 | $15.21M derived: sum of 3 quarters · filed 2014-12-19 | $23.44M 10-K · filed 2014-12-19 |
| 2012-07-31 | $5.09M derived: 10-Q 9 month − 10-Q 6 month · filed 2013-09-11 | $10.85M derived: sum of 2 quarters · filed 2013-09-11 | $19.07M 10-Q · filed 2013-09-11 | $24.94M derived: sum of 4 quarters · filed 2013-12-20 |
| 2012-04-30 | $5.76M derived: 10-Q 6 month − 10-Q 3 month · filed 2013-06-12 | $13.98M 10-Q · filed 2013-06-12 | $19.86M derived: sum of 3 quarters · filed 2013-12-20 | $24.90M derived: sum of 4 quarters · filed 2013-12-20 |
| 2012-01-31 | $8.22M 10-Q · filed 2013-03-13 | $14.10M derived: sum of 2 quarters · filed 2013-12-20 | $19.14M derived: sum of 3 quarters · filed 2013-12-20 | $22.91M derived: sum of 4 quarters · filed 2013-12-20 |
| 2011-10-31 | $5.87M derived: 10-K 12 month − 10-Q 9 month · filed 2013-12-20 | $10.92M derived: sum of 2 quarters · filed 2013-12-20 | $14.69M derived: sum of 3 quarters · filed 2013-12-20 | $17.33M 10-K · filed 2013-12-20 |
| 2011-07-31 | $5.05M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-09-05 | $8.82M derived: sum of 2 quarters · filed 2012-09-05 | $11.46M 10-Q · filed 2012-09-05 | $14.41M derived: sum of 4 quarters · filed 2012-12-21 |
| 2011-04-30 | $3.77M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-06-06 | $6.41M 10-Q · filed 2012-06-06 | $9.36M derived: sum of 3 quarters · filed 2012-12-21 | $13.01M derived: sum of 4 quarters · filed 2012-12-21 |
| 2011-01-31 | $2.65M 10-Q · filed 2012-03-08 | $5.59M derived: sum of 2 quarters · filed 2012-12-21 | $9.24M derived: sum of 3 quarters · filed 2012-12-21 | $15.39M derived: sum of 4 quarters · filed 2012-12-21 |
| 2010-10-31 | $2.95M derived: 10-K 12 month − 10-Q 9 month · filed 2012-12-21 | $6.60M derived: sum of 2 quarters · filed 2012-12-21 | $12.75M derived: sum of 3 quarters · filed 2012-12-21 | $13.70M 10-K · filed 2012-12-21 |
| 2010-07-31 | $3.65M derived: 10-Q 9 month − 10-Q 6 month · filed 2011-09-08 | $9.80M derived: sum of 2 quarters · filed 2011-09-08 | $10.75M 10-Q · filed 2011-09-08 | $15.34M derived: sum of 4 quarters · filed 2011-12-22 |
| 2010-04-30 | $6.15M derived: 10-Q 6 month − 10-Q 3 month · filed 2011-06-09 | $7.10M 10-Q · filed 2011-06-09 | $11.69M derived: sum of 3 quarters · filed 2011-12-22 | |
| 2010-01-31 | $950.00K 10-Q · filed 2011-03-10 | $5.54M derived: sum of 2 quarters · filed 2011-12-22 | ||
| 2009-10-31 | $4.59M derived: 10-K 12 month − 10-Q 9 month · filed 2011-12-22 | $15.72M 10-K · filed 2011-12-22 | ||
| 2009-07-31 | $11.13M 10-Q · filed 2010-09-08 | |||
| 2008-10-31 | $18.32M 10-K · filed 2010-12-22 |
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