股本结构
单位：万股
| 公告日期 | 2025-12-12 | 2025-12-12 | 2025-09-04 | 2025-09-04 | 2025-06-05 | 2025-06-05 |
|---|---|---|---|---|---|---|
| 证券总股本 | 14085.47 | 14101.63 | 14105.59 | 14134.25 | 14136.72 | 14168.61 |
| 普通股本 | 14085.47 | 14101.63 | 14105.59 | 14134.25 | 14136.72 | 14168.61 |
| 优先股 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2025-12-05 | 2025-11-01 | 2025-08-29 | 2025-08-02 | 2025-05-30 | 2025-05-03 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2025-12-12 | 14085.47 | 未披露 | 定期报告 | 2025-12-05 |
| 2025-12-12 | 14101.63 | 未披露 |
更多>>
From November 2,2024 to November 1,2025
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
|
2025-11-01 |
| 2025-09-04 | 14105.59 | 未披露 | 定期报告 | 2025-08-29 |
| 2025-09-04 | 14134.25 | 未披露 |
更多>>
From November 2, 2024 to August 2, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2025-08-02 |
| 2025-06-05 | 14136.72 | 未披露 | 定期报告 | 2025-05-30 |
| 2025-06-05 | 14168.61 | 未披露 |
更多>>
From November 2, 2024 to May 3, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2025-05-03 |
| 2025-03-12 | 14214.57 | 未披露 | 定期报告 | 2025-03-07 |
| 2025-03-12 | 14252.85 | 未披露 |
更多>>
From November 2, 2024 to February 1, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2025-02-01 |
| 2025-02-13 | 14259.18 | 未披露 | 定期报告 | 2025-01-27 |
| 2024-12-20 | 14211.56 | 未披露 | 定期报告 | 2024-12-13 |
| 2024-12-20 | 14265.61 | 未披露 |
更多>>
From October 28, 2023 to November 2, 2024
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2024-11-02 |
| 2024-09-04 | 14442.72 | 未披露 | 定期报告 | 2024-08-30 |
| 2024-09-04 | 14442.69 | 未披露 |
更多>>
From October 28, 2023 to July 27, 2024
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchase of common stock - repurchase program, net
|
2024-07-27 |
| 2024-06-06 | 14370.50 | 未披露 | 定期报告 | 2024-05-31 |
| 2024-06-06 | 14419.92 | 未披露 |
更多>>
From October 28, 2023 to April 27, 2024
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchase of common stock - repurchase program, net
|
2024-04-27 |
| 2024-03-07 | 14460.27 | 未披露 | 定期报告 | 2024-03-01 |
| 2024-03-07 | 14494.65 | 未披露 |
更多>>
From October 28, 2023 to January 27, 2024
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2024-01-27 |
| 2024-02-08 | 14500.87 | 未披露 | 定期报告 | 2024-01-22 |
| 2023-12-15 | 14483.03 | 未披露 | 定期报告 | 2023-12-08 |
| 2023-12-15 | 14482.99 | 未披露 |
更多>>
From October 29, 2022 to October 28, 2023
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2023-10-28 |
| 2023-09-06 | 14784.24 | 未披露 | 定期报告 | 2023-09-01 |
| 2023-09-06 | 14877.25 | 未披露 |
更多>>
From October 29, 2022 to July 29, 2023
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2023-07-29 |
| 2023-06-07 | 14949.86 | 未披露 | 定期报告 | 2023-06-02 |
| 2023-06-07 | 14949.85 | 未披露 |
更多>>
From October 29, 2022 to April 29, 2023
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2023-04-29 |
| 2023-03-08 | 14915.98 | 未披露 | 定期报告 | 2023-03-03 |
| 2023-03-08 | 14915.76 | 未披露 |
更多>>
From October 29, 2022 to January 28, 2023
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2023-01-28 |
| 2022-12-16 | 14841.50 | 未披露 | 定期报告 | 2022-12-09 |
| 2022-12-08 | 14841.29 | 未披露 | 定期报告 | 2022-10-29 |
| 2022-09-07 | 14814.18 | 未披露 | 定期报告 | 2022-09-02 |
| 2022-09-01 | 14829.34 | 未披露 |
更多>>
From October 30, 2021 to July 30, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2022-07-30 |
| 2022-06-08 | 14970.48 | 未披露 | 定期报告 | 2022-06-03 |
| 2022-06-08 | 15086.56 | 未披露 |
更多>>
From October 30, 2021 to April 30, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2022-04-30 |
| 2022-03-09 | 15212.64 | 未披露 | 定期报告 | 2022-03-04 |
| 2022-02-15 | 15301.07 | 未披露 | 定期报告 | 2022-02-04 |
| 2022-03-09 | 15299.07 | 未披露 |
更多>>
From October 30, 2021 to January 29, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2022-01-29 |
| 2021-12-17 | 15488.27 | 未披露 | 定期报告 | 2021-12-10 |
| 2021-12-17 | 15485.90 | 未披露 |
更多>>
From October 31, 2020 to October 30, 2021
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2021-10-30 |
| 2021-09-08 | 15492.92 | 未披露 | 定期报告 | 2021-09-03 |
| 2021-09-08 | 15510.33 | 未披露 |
更多>>
From October 31, 2020 to July 31, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2021-07-31 |
| 2021-06-09 | 15476.72 | 未披露 | 定期报告 | 2021-06-04 |
| 2021-06-09 | 15496.21 | 未披露 |
更多>>
From October 31, 2020 To May 1, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2021-05-01 |
| 2021-03-10 | 15500.33 | 未披露 | 定期报告 | 2021-03-05 |
| 2021-02-18 | 15515.84 | 未披露 | 定期报告 | 2021-02-04 |
| 2021-03-10 | 15518.79 | 未披露 |
更多>>
From October 31, 2020 to January 30, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2021-01-30 |
| 2020-12-18 | 15456.43 | 未披露 | 定期报告 | 2020-12-11 |
| 2020-12-18 | 15456.30 | 未披露 |
更多>>
From November 2, 2019 to October 31, 2020
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of restricted stock units
|
2020-10-31 |
| 2020-09-09 | 15431.95 | 未披露 | 定期报告 | 2020-09-04 |
| 2020-09-09 | 15431.82 | 未披露 |
更多>>
From November 2, 2019 to August 1, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2020-08-01 |
| 2020-06-10 | 15364.44 | 未披露 | 定期报告 | 2020-06-05 |
| 2020-06-10 | 15364.16 | 未披露 |
更多>>
From November 2, 2019 to May 2, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2020-05-02 |
| 2020-03-11 | 15350.35 | 未披露 | 定期报告 | 2020-03-06 |
| 2020-02-19 | 15391.14 | 未披露 | 定期报告 | 2020-02-04 |
| 2020-03-11 | 15394.68 | 未披露 |
更多>>
from October 31, 2019 to January 31, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
|
2020-01-31 |
| 2019-12-20 | 15405.41 | 未披露 | 定期报告 | 2019-12-16 |
| 2019-12-20 | 15440.39 | 未披露 |
更多>>
From October 31, 2018 to October 31, 2019
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of restricted stock units
|
2019-10-31 |
| 2019-09-11 | 15469.62 | 未披露 | 定期报告 | 2019-09-06 |
| 2019-09-11 | 15511.30 | 未披露 |
更多>>
From October 31, 2018 to July 31, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2019-07-31 |
| 2019-06-12 | 15508.85 | 未披露 | 定期报告 | 2019-06-07 |
| 2019-06-12 | 15556.67 | 未披露 |
更多>>
From October 31, 2018 to April 30, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2019-04-30 |
| 2019-03-11 | 15595.32 | 未披露 | 定期报告 | 2019-03-06 |
| 2019-03-11 | 15633.62 | 未披露 |
更多>>
From October 31, 2018 to January 31, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
|
2019-01-31 |
| 2018-12-21 | 15648.18 | 未披露 | 定期报告 | 2018-12-14 |
| 2018-12-21 | 15431.85 | 未披露 |
更多>>
From October 31, 2017 to October 31, 2018
Conversion of convertible notes into common shares
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of restricted stock units
|
2018-10-31 |
| 2018-09-05 | 14260.12 | 未披露 | 定期报告 | 2018-08-31 |
| 2018-09-05 | 14305.02 | 未披露 |
更多>>
From October 31, 2017 to July 31, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
|
2018-07-31 |
| 2018-06-06 | 14282.77 | 未披露 | 定期报告 | 2018-06-04 |
| 2018-06-06 | 14342.80 | 未披露 |
更多>>
From October 31, 2017 to April 30, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
|
2018-04-30 |
| 2018-03-07 | 14358.69 | 未披露 | 定期报告 | 2018-03-05 |
| 2018-02-20 | 14393.09 | 未披露 | 定期报告 | 2018-02-07 |
| 2018-03-07 | 14418.08 | 未披露 |
更多>>
From October 31, 2017 To January 31, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
|
2018-01-31 |
| 2018-02-20 | 14431.95 | 未披露 | 定期报告 | 2018-01-22 |
| 2017-12-22 | 14367.96 | 未披露 | 定期报告 | 2017-12-15 |
| 2017-12-22 | 14304.32 | 未披露 |
更多>>
From October 31, 2016 To October 31, 2017
Issuance of shares from employee equity plans
|
2017-10-31 |
| 2017-09-07 | 14268.83 | 未披露 | 定期报告 | 2017-09-01 |
| 2017-08-31 | 14267.28 | 未披露 | 定期报告 | 2017-07-31 |
| 2017-06-07 | 14183.16 | 未披露 | 定期报告 | 2017-06-02 |
| 2017-06-01 | 14176.84 | 未披露 | 定期报告 | 2017-04-30 |
| 2017-03-08 | 14131.73 | 未披露 | 定期报告 | 2017-03-03 |
| 2017-03-08 | 14126.26 | 未披露 | 定期报告 | 2017-01-31 |
| 2017-02-08 | 14126.26 | 未披露 | 定期报告 | 2017-01-26 |
| 2017-02-08 | 14124.38 | 未披露 | 定期报告 | 2017-01-09 |
| 2016-12-21 | 14037.97 | 未披露 | 定期报告 | 2016-12-16 |
| 2016-12-21 | 13976.76 | 未披露 |
更多>>
from October 31, 2015 to October 31, 2016
Issuance of shares from employee equity plans
|
2016-10-31 |
| 2016-09-07 | 13934.13 | 未披露 | 定期报告 | 2016-09-02 |
| 2016-09-01 | 13925.36 | 未披露 | 定期报告 | 2016-07-31 |
| 2016-06-08 | 13811.64 | 未披露 | 定期报告 | 2016-06-03 |
| 2016-06-02 | 13800.86 | 未披露 | 定期报告 | 2016-04-30 |
| 2016-03-09 | 13754.87 | 未披露 | 定期报告 | 2016-03-04 |
| 2016-03-03 | 13743.66 | 未披露 | 定期报告 | 2016-01-31 |
| 2016-02-10 | 13743.55 | 未披露 | 定期报告 | 2016-01-28 |
| 2015-12-21 | 13579.02 | 未披露 | 定期报告 | 2015-12-11 |
| 2015-12-21 | 13561.22 | 未披露 |
更多>>
from October 31, 2014 to October 31, 2015
Issuance of shares from Cyan acquisition
Conversion of convertible notes into common shares
Issuance of shares from employee equity plans
|
2015-10-31 |
| 2015-09-09 | 13475.40 | 未披露 | 定期报告 | 2015-09-04 |
| 2015-09-03 | 11872.59 | 未披露 | 定期报告 | 2015-07-31 |
| 2015-06-10 | 11774.67 | 未披露 | 定期报告 | 2015-06-05 |
| 2015-06-04 | 11769.52 | 未披露 | 定期报告 | 2015-04-30 |
| 2015-03-12 | 10828.18 | 未披露 | 定期报告 | 2015-03-06 |
| 2015-02-11 | 10824.67 | 未披露 | 定期报告 | 2015-01-29 |
| 2014-12-19 | 10698.53 | 未披露 | 定期报告 | 2014-12-12 |
| 2014-12-19 | 10698.00 | 未披露 |
更多>>
From October 31, 2013 to October 31,2014
Issuance of shares from employee equity plans
|
2014-10-31 |
| 2014-09-09 | 10656.61 | 未披露 | 定期报告 | 2014-09-02 |
| 2014-09-04 | 10656.26 | 未披露 | 定期报告 | 2014-07-31 |
| 2014-06-11 | 10559.34 | 未披露 | 定期报告 | 2014-06-06 |
| 2014-06-05 | 10558.50 | 未披露 | 定期报告 | 2014-04-30 |
| 2014-03-07 | 10502.82 | 未披露 | 定期报告 | 2014-02-28 |
| 2014-02-28 | 10500.40 | 未披露 | 定期报告 | 2014-02-14 |
| 2014-03-07 | 10497.37 | 未披露 | 定期报告 | 2014-01-31 |
| 2014-02-28 | 10497.14 | 未披露 | 定期报告 | 2014-01-14 |
| 2013-12-20 | 10370.82 | 未披露 | 定期报告 | 2013-12-12 |
| 2013-12-20 | 10370.57 | 未披露 |
更多>>
from October 31, 2012 to October 31, 2013
Issuance of shares from employee equity plans
|
2013-10-31 |
| 2013-09-11 | 10314.21 | 未披露 | 定期报告 | 2013-09-06 |
| 2013-09-04 | 10312.18 | 未披露 | 定期报告 | 2013-07-31 |
| 2013-06-12 | 10205.28 | 未披露 | 定期报告 | 2013-06-07 |
| 2013-06-06 | 10203.51 | 未披露 | 定期报告 | 2013-04-30 |
| 2013-03-13 | 10152.71 | 未披露 | 定期报告 | 2013-03-08 |
| 2013-03-13 | 10151.89 | 未披露 | 定期报告 | 2013-01-31 |
| 2013-02-01 | 10151.72 | 未披露 | 定期报告 | 2013-01-22 |
| 2013-02-01 | 10151.70 | 未披露 | 定期报告 | 2013-01-14 |
| 2012-12-21 | 10061.07 | 未披露 | 定期报告 | 2012-12-13 |
| 2012-12-21 | 10060.18 | 未披露 |
更多>>
from October 31, 2011 to October 31, 2012
Issuance of shares from employee equity plans
|
2012-10-31 |
| 2012-09-05 | 10020.22 | 未披露 | 定期报告 | 2012-08-24 |
| 2012-08-30 | 10019.23 | 未披露 | 定期报告 | 2012-07-31 |
| 2012-06-06 | 9915.39 | 未披露 | 定期报告 | 2012-05-26 |
| 2012-05-31 | 9915.20 | 未披露 | 定期报告 | 2012-04-30 |
| 2012-03-08 | 9865.97 | 未披露 | 定期报告 | 2012-02-25 |
| 2012-03-07 | 9865.09 | 未披露 | 定期报告 | 2012-01-31 |
| 2011-12-22 | 9744.26 | 未披露 | 定期报告 | 2011-12-15 |
| 2011-12-22 | 9744.04 | 未披露 |
更多>>
from October 31, 2010 to October 31, 2011
Exercise of stock options, net
|
2011-10-31 |
| 2011-09-08 | 9688.41 | 未披露 | 定期报告 | 2011-08-27 |
| 2011-09-01 | 9688.39 | 未披露 | 定期报告 | 2011-07-31 |
| 2011-06-09 | 9568.17 | 未披露 | 定期报告 | 2011-06-03 |
| 2011-06-08 | 9565.92 | 未披露 | 定期报告 | 2011-04-30 |
| 2011-03-10 | 9500.55 | 未披露 | 定期报告 | 2011-03-04 |
| 2011-03-10 | 9493.53 | 未披露 | 定期报告 | 2011-01-31 |
| 2010-12-22 | 9414.67 | 未披露 | 定期报告 | 2010-12-15 |
| 2010-12-22 | 9406.03 | 未披露 |
更多>>
from October 31, 2009 to October 31, 2010
Exercise of stock options, net
|
2010-10-31 |
| 2010-09-08 | 9357.19 | 未披露 | 定期报告 | 2010-08-28 |
| 2010-09-08 | 9356.78 | 未披露 | 定期报告 | 2010-07-31 |
| 2010-06-10 | 9309.40 | 未披露 | 定期报告 | 2010-06-04 |
| 2010-06-10 | 9307.92 | 未披露 | 定期报告 | 2010-04-30 |
| 2010-03-05 | 9257.06 | 未披露 | 定期报告 | 2010-02-26 |
| 2010-03-05 | 9256.62 | 未披露 | 定期报告 | 2010-01-31 |
| 2009-12-22 | 9203.86 | 未披露 | 定期报告 | 2009-12-11 |
| 2009-12-22 | 9203.84 | 未披露 |
更多>>
from October 31, 2008 to October 31, 2009
Exercise of stock options, net
|
2009-10-31 |
| 2008-12-23 | 9053.34 | 未披露 | 定期报告 | 2008-12-12 |
| 2008-12-23 | 9047.08 | 未披露 |
更多>>
from October 31, 2007 to October 31, 2008
Exercise of stock options, net
Issuance of common stock for acquisitions, net of issuance costs
|
2008-10-31 |
| 2007-12-27 | 8679.89 | 未披露 | 定期报告 | 2007-12-14 |
| 2007-12-27 | 8675.21 | 未披露 |
更多>>
from October 31, 2006 to October 31, 2007
Exercise of stock options, net
Exercise of warrant
|
2007-10-31 |
| 2007-01-10 | 8493.98 | 未披露 | 定期报告 | 2006-12-15 |
| 2007-01-10 | 8489.17 | 未披露 |
更多>>
from October 31, 2005 to October 31, 2006
Exercise of stock options, net
On August 30, 2006, Ciena’s Board approved a one-for-seven (1-for-7) reverse stock split of Ciena’s common stock. The reverse stock split became effective at 5:00 p.m., Eastern Time, on September 22, 2006. Pursuant to the reverse stock split, each seven shares of authorized and outstanding common stock was reclassified and combined into one share of new common stock.
|
2006-10-31 |
| 2006-01-12 | 58087.91 | 未披露 | 定期报告 | 2005-12-31 |
| 2006-01-12 | 58034.09 | 未披露 |
更多>>
from October 31, 2004 to October 31, 2005
Exercise of stock options, net
|
2005-10-31 |
| 2004-12-09 | 57176.22 | 未披露 | 定期报告 | 2004-12-06 |
| 2004-12-09 | 57165.67 | 未披露 |
更多>>
from October 31, 2003 to October 31, 2004
Exercise of warrant
Exercise of stock options
Issuance of common stock, net of issuance costs
|
2004-10-31 |
| 2003-12-11 | 47379.59 | 未披露 | 定期报告 | 2003-12-09 |
| 2003-12-11 | 47321.49 | 未披露 |
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from October 31, 2002 to October 31, 2003
Exercise of stock options
Issuance of common stock, net of issuance costs
|
2003-10-31 |
| 2002-12-12 | 43302.15 | 未披露 | 定期报告 | 2002-12-09 |
| 2002-12-12 | 43284.25 | 未披露 |
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from October 31, 2001 to October 31, 2002
Exercise of stock options
Issuance of common stock, net of issuance costs
|
2002-10-31 |
| 2001-12-13 | 32802.23 | 未披露 |
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from October 31, 2000 to October 31, 2001
Exercise of stock options
Issuance of common stock, net of issuance costs
|
2001-10-31 |
| 2000-12-07 | 28653.06 | 未披露 |
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from October 31, 1999 to October 31, 2000
Exercise of warrants
Exercise of stock options
Issuance of common stock, net of issuance costs
The Board of Directors authorized the splitting of the Company's common
stock on a two-for-one basis for shareholders of record on August 28, 2000 and
the resulting shares from the split were distributed on September 18, 2000.
|
2000-10-31 |
| 1999-12-10 | 13818.74 | 未披露 |
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from October 31, 1998 to October 31, 1999
Exercise of warrants
Exercise of stock options
Issuance of common stock, net of issuance costs
|
1999-10-31 |
| 1998-12-10 | 10323.97 | 未披露 |
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from OCTOBER 31, 1997 to OCTOBER 31, 1998
Purchase acquisitions, net of transaction costs
Exercise of stock options
|
1998-10-31 |
| 1997-12-10 | 9928.77 | 未披露 |
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from OCTOBER 31, 1996 to OCTOBER 31, 1997
Issuance of common stock, net of issuance costs
Conversion of Preferred Stock
Exercise of warrants
Exercise of stock options
|
1997-10-31 |
From November 2,2024 to November 1,2025
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
From November 2, 2024 to August 2, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From November 2, 2024 to May 3, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From November 2, 2024 to February 1, 2025
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 28, 2023 to November 2, 2024
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 28, 2023 to July 27, 2024
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchase of common stock - repurchase program, net
From October 28, 2023 to April 27, 2024
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
Repurchase of common stock - repurchase program, net
From October 28, 2023 to January 27, 2024
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 29, 2022 to October 28, 2023
Repurchases of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 29, 2022 to July 29, 2023
Repurchase of common stock - repurchase program, net
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 29, 2022 to April 29, 2023
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 29, 2022 to January 28, 2023
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 30, 2021 to July 30, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 30, 2021 to April 30, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 30, 2021 to January 29, 2022
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2020 to October 30, 2021
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2020 to July 31, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2020 To May 1, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2020 to January 30, 2021
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From November 2, 2019 to October 31, 2020
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of restricted stock units
From November 2, 2019 to August 1, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
From November 2, 2019 to May 2, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of stock unit awards
from October 31, 2019 to January 31, 2020
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
From October 31, 2018 to October 31, 2019
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of restricted stock units
From October 31, 2018 to July 31, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2018 to April 30, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2018 to January 31, 2019
Repurchase of common stock - repurchase program
Issuance of shares from employee equity plans
Settlement of debt conversion liability
Shares repurchased for tax withholdings on vesting of stock unit awards
From October 31, 2017 to October 31, 2018
Conversion of convertible notes into common shares
Repurchases of common stock - repurchase program
Issuance of shares from employee equity plans
Shares repurchased for tax withholdings on vesting of restricted stock units
From October 31, 2017 to July 31, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
From October 31, 2017 to April 30, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
From October 31, 2017 To January 31, 2018
Repurchase of common stock
Issuance of shares from employee equity plans
From October 31, 2016 To October 31, 2017
Issuance of shares from employee equity plans
from October 31, 2015 to October 31, 2016
Issuance of shares from employee equity plans
from October 31, 2014 to October 31, 2015
Issuance of shares from Cyan acquisition
Conversion of convertible notes into common shares
Issuance of shares from employee equity plans
From October 31, 2013 to October 31,2014
Issuance of shares from employee equity plans
from October 31, 2012 to October 31, 2013
Issuance of shares from employee equity plans
from October 31, 2011 to October 31, 2012
Issuance of shares from employee equity plans
from October 31, 2010 to October 31, 2011
Exercise of stock options, net
from October 31, 2009 to October 31, 2010
Exercise of stock options, net
from October 31, 2008 to October 31, 2009
Exercise of stock options, net
from October 31, 2007 to October 31, 2008
Exercise of stock options, net
Issuance of common stock for acquisitions, net of issuance costs
from October 31, 2006 to October 31, 2007
Exercise of stock options, net
Exercise of warrant
from October 31, 2005 to October 31, 2006
Exercise of stock options, net
On August 30, 2006, Ciena’s Board approved a one-for-seven (1-for-7) reverse stock split of Ciena’s common stock. The reverse stock split became effective at 5:00 p.m., Eastern Time, on September 22, 2006. Pursuant to the reverse stock split, each seven shares of authorized and outstanding common stock was reclassified and combined into one share of new common stock.
from October 31, 2004 to October 31, 2005
Exercise of stock options, net
from October 31, 2003 to October 31, 2004
Exercise of warrant
Exercise of stock options
Issuance of common stock, net of issuance costs
from October 31, 2002 to October 31, 2003
Exercise of stock options
Issuance of common stock, net of issuance costs
from October 31, 2001 to October 31, 2002
Exercise of stock options
Issuance of common stock, net of issuance costs
from October 31, 2000 to October 31, 2001
Exercise of stock options
Issuance of common stock, net of issuance costs
from October 31, 1999 to October 31, 2000
Exercise of warrants
Exercise of stock options
Issuance of common stock, net of issuance costs
The Board of Directors authorized the splitting of the Company's common
stock on a two-for-one basis for shareholders of record on August 28, 2000 and
the resulting shares from the split were distributed on September 18, 2000.
from October 31, 1998 to October 31, 1999
Exercise of warrants
Exercise of stock options
Issuance of common stock, net of issuance costs
from OCTOBER 31, 1997 to OCTOBER 31, 1998
Purchase acquisitions, net of transaction costs
Exercise of stock options
from OCTOBER 31, 1996 to OCTOBER 31, 1997
Issuance of common stock, net of issuance costs
Conversion of Preferred Stock
Exercise of warrants
Exercise of stock options