Financial reports
10-Q
2024 Q1
Quarterly report
7 Mar 24
ARS
2023 FY
Annual report to shareholders
8 Feb 24
10-K
2023 FY
Annual report
15 Dec 23
10-Q
2023 Q3
Quarterly report
6 Sep 23
10-Q
2023 Q2
Quarterly report
7 Jun 23
10-Q
2023 Q1
Quarterly report
8 Mar 23
ARS
2022 FY
Annual report to shareholders
16 Feb 23
10-K
2022 FY
Annual report
16 Dec 22
10-Q
2022 Q3
Quarterly report
7 Sep 22
10-Q
2022 Q2
Quarterly report
8 Jun 22
Current reports
8-K
Departure of Directors or Certain Officers
23 Apr 24
8-K
Changes in Control of Registrant
26 Mar 24
8-K
Ciena Reports Fiscal First Quarter 2024 Financial Results
7 Mar 24
8-K
Ciena Reports Fiscal Fourth Quarter 2023 Financial Results
7 Dec 23
8-K
Entry into a Material Definitive Agreement
25 Oct 23
8-K
Ciena Appoints Dino DiPerna and Brodie Gage to Executive Leadership Team
3 Oct 23
8-K
Ciena Reports Fiscal Third Quarter 2023 Financial Results
31 Aug 23
8-K
Ciena Reports Fiscal Second Quarter 2023 Financial Results
6 Jun 23
8-K
Ciena Reaffirms Fiscal Second Quarter and Full Year 2023 Guidance
6 Apr 23
8-K
Submission of Matters to a Vote of Security Holders
3 Apr 23
Registration and prospectus
S-8
Registration of securities for employees
18 Apr 24
S-8
Registration of securities for employees
21 Apr 21
S-8
Registration of securities for employees
14 Apr 20
425
Business combination disclosure
2 Aug 17
SC TO-I/A
Issuer tender offer statement (amended)
31 Jul 17
424B3
Prospectus supplement
28 Jul 17
SC TO-I/A
Issuer tender offer statement (amended)
14 Jul 17
425
Business combination disclosure
30 Jun 17
Proxies
DEFA14A
Additional proxy soliciting materials
8 Feb 24
DEF 14A
Definitive proxy
8 Feb 24
PRE 14A
Preliminary proxy
29 Jan 24
DEFA14A
Additional proxy soliciting materials
3 Mar 23
DEFA14A
Additional proxy soliciting materials
16 Feb 23
DEF 14A
Definitive proxy
16 Feb 23
DEFA14A
Additional proxy soliciting materials
15 Feb 22
DEF 14A
Definitive proxy
15 Feb 22
DEFA14A
Additional proxy soliciting materials
18 Feb 21
DEF 14A
Definitive proxy
18 Feb 21
Other
SD
Conflict minerals disclosure
31 May 23
SD
Conflict minerals disclosure
31 May 22
SD
Conflict minerals disclosure
28 May 21
SD
Conflict minerals disclosure
29 May 20
UPLOAD
Letter from SEC
27 Apr 20
CORRESP
Correspondence with SEC
23 Apr 20
UPLOAD
Letter from SEC
16 Apr 20
CT ORDER
Confidential treatment order
24 Oct 19
SD
Conflict minerals disclosure
29 May 19
SD
Conflict minerals disclosure
24 May 18
Ownership
4
Joseph Cumello
17 Apr 24
4
David M Rothenstein
17 Apr 24
4
GARY B SMITH
17 Apr 24
144
Notice of proposed sale of securities
15 Apr 24
144
Notice of proposed sale of securities
15 Apr 24
144
Notice of proposed sale of securities
15 Apr 24
4
Jason Phipps
3 Apr 24
4
GARY B SMITH
3 Apr 24
4
Dino DiPerna
3 Apr 24
4
Brodie Gage
3 Apr 24