Recent filings by Ciena Corporation

Published Title Summary
2026-06-08 07:08:08 8-K - CIENA CORP (0000936395) (Filer)
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits...

Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits
2026-04-29 12:24:54 SCHEDULE 13G - CIENA CORP (0000936395) (Subject) Passive 5% Ownership Report SEC-SCHEDULE 13G filed by Ciena Corporation...
Passive 5% Ownership Report SEC-SCHEDULE 13G filed by Ciena Corporation on 2026-04-29 12:24:54-04:00
2026-03-31 15:21:52 8-K - CIENA CORP (0000936395) (Filer)
Item 5.07: Submission of Matters to a Vote of Security...

Item 5.07: Submission of Matters to a Vote of Security Holders
2026-03-05 16:01:51 10-Q - Quarterly report [Sections 13 or 15(d)] Quarterly Report SEC-10-Q filed by Ciena Corporation on 2026-03-05 16:01:51-05:00...
Quarterly Report SEC-10-Q filed by Ciena Corporation on 2026-03-05 16:01:51-05:00
2026-03-05 07:49:58 8-K - Current report Filed: 2026-03-05 AccNo: 0001628280-26-015006 Size: 4 MB
Item 2.02: Results of...
Filed: 2026-03-05 AccNo: 0001628280-26-015006 Size: 4 MB
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits
2026-03-04 15:15:55 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-03-04 15:15:55-05:00
2026-02-19 11:14:10 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-02-19 11:14:10-05:00
2026-02-19 11:01:47 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-02-19 11:01:47-05:00
2026-02-04 14:13:04 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-02-04 14:13:04-05:00
2026-01-21 08:13:39 SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors Passive 5% Ownership Report SEC-SCHEDULE 13G filed by Ciena Corporation...
Passive 5% Ownership Report SEC-SCHEDULE 13G filed by Ciena Corporation on 2026-01-21 08:13:39-05:00
2026-01-20 13:56:56 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-20 13:56:56-05:00
2026-01-20 10:51:28 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-20 10:51:28-05:00
2026-01-20 10:49:04 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-20 10:49:04-05:00
2026-01-16 14:32:04 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-16 14:32:04-05:00
2026-01-13 17:26:09 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-13 17:26:09-05:00
2026-01-13 16:51:57 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-13 16:51:57-05:00
2026-01-13 16:40:12 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-13 16:40:12-05:00
2026-01-06 18:24:21 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-06 18:24:21-05:00
2026-01-06 14:51:21 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2026-01-06 14:51:21-05:00
2025-12-29 10:18:27 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-29 10:18:27-05:00
2025-12-23 14:43:02 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:43:02-05:00
2025-12-23 14:33:12 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:33:12-05:00
2025-12-23 14:31:36 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:31:36-05:00
2025-12-23 14:29:59 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:29:59-05:00
2025-12-23 14:28:09 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:28:09-05:00
2025-12-23 14:26:27 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:26:27-05:00
2025-12-23 14:24:30 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-23 14:24:30-05:00
2025-12-18 18:19:23 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-18 18:19:23-05:00
2025-12-18 12:40:07 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-18 12:40:07-05:00
2025-12-18 12:35:13 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Ciena Corporation on 2025-12-18 12:35:13-05:00