26 results
8-K
EX-4.1
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31 Dec 12
Entry into a Material Definitive Agreement
12:00am
8-K
EX-4.1
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21 Oct 10
Ciena Completes Sale of $350 Million in 3.75% Convertible Senior Notes Due 2018
12:00am
8-K
EX-4.1
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19 Mar 10
Entry into a Material Definitive Agreement
12:00am
CORRESP
4trkag
19 Aug 09
Correspondence with SEC
12:00am
8-K
EX-4.07
9drpen2l9ysx9tvz vvd
12 Jun 07
Entry into a Material Definitive Agreement
12:00am
S-3ASR
EX-4.01
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4 Jun 07
Automatic shelf registration
12:00am
8-K
EX-4.07
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10 Apr 06
Entry into a Material Definitive Agreement
12:00am