67 filings
DEFA14A
CIEN
CIENA Corp.
8 Feb 24
Additional proxy soliciting materials
9:57am
DEF 14A
CIEN
CIENA Corp.
Definitive proxy
8 Feb 24
9:54am
PRE 14A
CIEN
CIENA Corp.
Preliminary proxy
29 Jan 24
4:16pm
DEFA14A
CIEN
CIENA Corp.
3 Mar 23
Additional proxy soliciting materials
5:16pm
DEFA14A
CIEN
CIENA Corp.
16 Feb 23
Additional proxy soliciting materials
10:30am
DEFA14A
fo6qh qak0y
15 Feb 22
Additional proxy soliciting materials
3:21pm
DEFA14A
xp0mhj78at5j
18 Feb 21
Additional proxy soliciting materials
9:27am
DEFA14A
19k pljcp05
6 Mar 20
Additional proxy soliciting materials
5:29pm
DEFA14A
ihiwmus5w67qf3 tu6
19 Feb 20
Additional proxy soliciting materials
9:04am
DEFA14A
p9gwr2 t8
12 Feb 19
Additional proxy soliciting materials
9:26am
DEFA14A
196 jvg1k
20 Feb 18
Additional proxy soliciting materials
12:00am
DEFA14A
b20802h
8 Feb 17
Additional proxy soliciting materials
12:00am
DEFA14A
4p5f8u4 o8iyy6c3w4qy
8 Feb 17
Additional proxy soliciting materials
12:00am