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Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP CIK#: 0000936395 (see all company filings)

SIC: 3661 - TELEPHONE & TELEGRAPH APPARATUS
State location: MD | State of Inc.: DE | Fiscal Year End: 1102
(CF Office: 04 Manufacturing)
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Items 1 - 40  0000936395 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000936395-24-000008 (34 Act)  Size: 8 MB
2024-03-07 001-36250
24729613
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000936395-24-000006 (34 Act)  Size: 3 MB
2024-03-07 001-36250
24728128
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020604 (34 Act)  Size: 12 KB
2024-02-13 005-54195
24627840
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001634 (34 Act)  Size: 8 KB
2024-02-12 005-54195
24618421
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001065 (34 Act)  Size: 8 KB
2024-02-09 005-54195
24611495
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-24-027755 (34 Act)  Size: 916 KB
2024-02-08 001-36250
24607197
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-24-027746 (34 Act)  Size: 1 MB
2024-02-08 001-36250
24607188
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-027738 (34 Act)  Size: 9 MB
2024-02-08 001-36250
24607172
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-005661 (34 Act)  Size: 13 KB
2024-01-30 005-54195
24578220
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001193125-24-018129 (34 Act)  Size: 9 MB
2024-01-29 001-36250
24573867
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000936395-23-000044 (34 Act)  Size: 16 MB
2023-12-15 001-36250
231490578
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000936395-23-000041 (34 Act)  Size: 4 MB
2023-12-07 001-36250
231471055
8-K  Documents   Interactive Data Current report, items 1.01, 1.02, 2.03, and 9.01
Acc-no: 0001193125-23-263172 (34 Act)  Size: 2 MB
2023-10-25 001-36250
231346831
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0000936395-23-000037 (34 Act)  Size: 170 KB
2023-10-03 001-36250
231304334
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000936395-23-000034 (34 Act)  Size: 11 MB
2023-09-06 001-36250
231240091
8-K  Documents   Interactive Data Current report, items 2.02, 5.02, and 9.01
Acc-no: 0000936395-23-000030 (34 Act)  Size: 3 MB
2023-08-31 001-36250
231226954
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-069840 (34 Act)  Size: 12 KB
2023-06-09 005-54195
231004807
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000936395-23-000027 (34 Act)  Size: 11 MB
2023-06-07 001-36250
23998804
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000936395-23-000024 (34 Act)  Size: 3 MB
2023-06-06 001-36250
23994862
SD  Documents Specialized disclosure report
Acc-no: 0000936395-23-000021 (34 Act)  Size: 47 KB
2023-05-31 001-36250
23979640
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-23-093438 (34 Act)  Size: 222 KB
2023-04-06 001-36250
23805025
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000936395-23-000018 (34 Act)  Size: 173 KB
2023-04-03 001-36250
23793211
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000936395-23-000014 (34 Act)  Size: 10 MB
2023-03-08 001-36250
23716032
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000936395-23-000009 (34 Act)  Size: 3 MB
2023-03-06 001-36250
23707549
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-060191 (34 Act)  Size: 700 KB
2023-03-03 001-36250
23705773
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000936395-23-000005 (34 Act)  Size: 410 KB
2023-02-16 001-36250
23637447
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-23-040835 (34 Act)  Size: 5 MB
2023-02-16 001-36250
23637422
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001193125-23-040833 (34 Act)  Size: 7 MB
2023-02-16 001-36250
23637420
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001193125-23-040339 (34 Act)  Size: 2 MB
2023-02-15 001-36250
23636445
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015627 (34 Act)  Size: 12 KB
2023-02-09 005-54195
23602723
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-23-001472 (34 Act)  Size: 7 KB
2023-02-09 005-54195
23601733
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0001193125-23-017784 (34 Act)  Size: 319 KB
2023-01-27 001-36250
23564388
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004111 (34 Act)  Size: 13 KB
2023-01-26 005-54195
23554343
8-K  Documents Current report, item 5.02
Acc-no: 0000936395-23-000003 (34 Act)  Size: 25 KB
2023-01-24 001-36250
23548449
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-23-012175 (34 Act)  Size: 1 MB
2023-01-23 001-36250
23542030
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-000639 (34 Act)  Size: 13 KB
2023-01-20 005-54195
23539219
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000936395-22-000065 (34 Act)  Size: 17 MB
2022-12-16 001-36250
221467852
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000936395-22-000058 (34 Act)  Size: 3 MB
2022-12-08 001-36250
221451376
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0000936395-22-000055 (34 Act)  Size: 199 KB
2022-11-22 001-36250
221410961
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000936395-22-000053 (34 Act)  Size: 11 MB
2022-09-07 001-36250
221231001