653 filings
Page 5 of 33
8-K
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28 Jan 20
Entry into a Material Definitive Agreement
5:05pm
8-K
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12 Dec 19
Ciena Reports Fiscal Fourth Quarter 2019 and Year-End Financial Results
7:04am
8-K
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31 Oct 19
Entry into a Material Definitive Agreement
4:31pm
CT ORDER
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24 Oct 19
Confidential treatment order
12:37pm
8-K
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3 Oct 19
Ciena Announces Intent to Acquire Centina
7:15am
8-K
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5 Sep 19
Ciena Reports Fiscal Third Quarter 2019 Financial Results
7:05am
8-K
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29 Aug 19
Ciena Appoints Devinder Kumar to Board of Directors
9:10am
8-K
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6 Jun 19
Ciena Reports Fiscal Second Quarter 2019 Financial Results
7:10am
SD
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29 May 19
Conflict minerals disclosure
3:36pm
8-K
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1 Apr 19
Submission of Matters to a Vote of Security Holders
1:20pm
8-K
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5 Mar 19
Ciena Reports Fiscal First Quarter 2019 Financial Results
6:54am
DEFA14A
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12 Feb 19
Additional proxy soliciting materials
9:26am
8-K
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13 Dec 18
Ciena Reports Fiscal Fourth Quarter 2018 and Year-End Financial Results
7:03am