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CIENA CORP

NYSE:CIEN
Telephone & Telegraph Apparatus·HANOVER, MD
OverviewAll FilingsSum FinCreditInsidersGovernance
OverviewAll FilingsSum FinCreditInsidersGovernance

All Filings(1000 total)

TypeDateAccessionPeriodSize
10-Q
Mar 5, 2026
0001628280-26-01515210-Q
Jan 31, 2026
8.4 MB
8-K
Mar 5, 2026
0001628280-26-0150068-K
Mar 5, 2026
4.2 MB
4
Mar 4, 2026
0001032553-26-000010PRIMARY DOCUMENT
Mar 2, 2026
4.9 KB
4
Feb 19, 2026
0001444157-26-000007PRIMARY DOCUMENT
Feb 17, 2026
4.9 KB
4
Feb 19, 2026
0001032553-26-000008PRIMARY DOCUMENT
Feb 17, 2026
4.9 KB
144
Feb 17, 2026
0001950047-26-001370
—
6.1 KB
ARS
Feb 12, 2026
0001193125-26-048006ARS
Nov 1, 2025
876.8 KB
DEFA14A
Feb 12, 2026
0001193125-26-047999DEFA14A
—
370.3 KB
DEF 14A
Feb 12, 2026
0001193125-26-047977DEF 14A
Mar 26, 2026
37.7 MB
4
Feb 4, 2026
0001032553-26-000006PRIMARY DOCUMENT
Feb 2, 2026
4.9 KB
SCHEDULE 13G
Jan 21, 2026
0000019617-26-000041
—
6.7 KB
4
Jan 20, 2026
0001963781-26-000004PRIMARY DOCUMENT
Jan 15, 2026
4.6 KB
4
Jan 20, 2026
0001032553-26-000004PRIMARY DOCUMENT
Jan 15, 2026
4.9 KB
4
Jan 20, 2026
0001699193-26-000002PRIMARY DOCUMENT
Jan 15, 2026
4.9 KB
4
Jan 16, 2026
0001998460-26-000002PRIMARY DOCUMENT
Jan 15, 2026
6.0 KB
144
Jan 15, 2026
0001950047-26-000439
—
5.2 KB
144
Jan 15, 2026
0001950047-26-000437
—
8.1 KB
144
Jan 15, 2026
0001950047-26-000434
—
5.4 KB
4
Jan 13, 2026
0001444157-26-000005PRIMARY DOCUMENT
Jan 9, 2026
4.6 KB
4
Jan 13, 2026
0001221168-26-000002PRIMARY DOCUMENT
Jan 12, 2026
4.8 KB
4
Jan 13, 2026
0001963638-26-000002PRIMARY DOCUMENT
Jan 12, 2026
4.9 KB
144
Jan 12, 2026
0001950047-26-000347
—
4.6 KB
144
Jan 12, 2026
0001950047-26-000323
—
5.1 KB
144
Jan 9, 2026
0001950047-26-000302
—
6.8 KB
4
Jan 6, 2026
0001032553-26-000002PRIMARY DOCUMENT
Jan 5, 2026
4.9 KB
25 filings shown

Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity.

CEO
Smith Gary B