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CIENA CORP (CIEN) Create: Alert

All | News | Filings
Date FiledTypeDescription
06/09/2023 SC 13G/A VANGUARD GROUP INC reports a 10% stake in Ciena Corp.
02/09/2023 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/09/2022 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/27/2022 SC 13G/A BlackRock Inc. reports a 10% stake in CIENA CORPORATION
01/25/2022 SC 13G/A BlackRock Inc. reports a 10% stake in CIENA CORPORATION
04/09/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/10/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/12/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/04/2020 SC 13G/A BlackRock Inc. reports a 10.2% stake in CIENA CORPORATION
02/11/2019 SC 13G/A VANGUARD GROUP INC reports a 8.5% stake in Ciena Corp
01/30/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/24/2019 SC 13G/A BlackRock Inc. reports a 11.4% stake in CIENA CORPORATION
01/22/2019 SC 13G/A Bank of New York Mellon Corp reports a 4.7% stake in Ciena Corporation
02/13/2018 SC 13G/A TEACHERS ADVISORS, LLC reports a 3.9% stake in * Ciena Corporation
02/13/2018 SC 13G/A TIAA CREF INVESTMENT MANAGEMENT LLC reports a 3.9% stake in * Ciena Corporation
02/08/2018 SC 13G/A VANGUARD GROUP INC reports a 8.5% stake in Ciena Corp
02/07/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/07/2018 SC 13G/A Invesco Ltd. reports a 4.1% stake in Ciena Corp
01/19/2018 SC 13G/A BlackRock Inc. reports a 10.5% stake in CIENA CORPORATION
02/14/2017 SC 13G/A CIENA CORP reports a 3.8% stake in CIENA CORPORATION
02/14/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/14/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/10/2017 SC 13G/A CIENA CORP reports a 7.8% stake in Ciena Corp
02/09/2017 SC 13G/A CIENA CORP reports a 3.7% stake in Ciena Corporation
02/07/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
01/12/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
10/07/2016 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
06/09/2016 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
02/12/2016 SC 13G/A CIENA CORP reports a 8.2% stake in CIENA CORPORATION
02/11/2016 SC 13G/A CIENA CORP reports a 8.1% stake in Ciena Corp
02/10/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/10/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/04/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/11/2013 SC 13G/A CIENA CORP reports a 1.4% stake in Ciena Corporation
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