Year archive

CIENA CORP — 2021 filings

All 156 regulatory filings released by CIENA CORP (CIEN) in 2021, sourced directly from the official regulator.

156 Filings

2021 Period

2021 filings (156)

Filing	Released	Lang
PRIMARY DOCUMENT Director's Dealing	2021-12-28	English
PRIMARY DOCUMENT Director's Dealing	2021-12-28	English
PRIMARY DOCUMENT Director's Dealing	2021-12-27	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
PRIMARY DOCUMENT Director's Dealing	2021-12-22	English
10-K Annual Report FY 2021	2021-12-17	English
PRIMARY DOCUMENT Director's Dealing	2021-12-17	English
PRIMARY DOCUMENT Director's Dealing	2021-12-17	English
PRIMARY DOCUMENT Director's Dealing	2021-12-17	English
PRIMARY DOCUMENT Director's Dealing	2021-12-17	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
PRIMARY DOCUMENT Director's Dealing	2021-12-16	English
8-K Regulatory Filings	2021-12-14	English
8-K Regulatory Filings	2021-12-09	English
PRIMARY DOCUMENT Director's Dealing	2021-11-29	English
PRIMARY DOCUMENT Director's Dealing	2021-11-17	English
PRIMARY DOCUMENT Director's Dealing	2021-11-17	English
PRIMARY DOCUMENT Director's Dealing	2021-11-17	English
PRIMARY DOCUMENT Director's Dealing	2021-11-15	English
8-K Regulatory Filings	2021-11-03	English
PRIMARY DOCUMENT Director's Dealing	2021-10-29	English
PRIMARY DOCUMENT Director's Dealing	2021-10-19	English
PRIMARY DOCUMENT Director's Dealing	2021-10-18	English
PRIMARY DOCUMENT Director's Dealing	2021-10-15	English
PRIMARY DOCUMENT Director's Dealing	2021-10-12	English
PRIMARY DOCUMENT Director's Dealing	2021-10-01	English
PRIMARY DOCUMENT Director's Dealing	2021-09-23	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-22	English
PRIMARY DOCUMENT Director's Dealing	2021-09-20	English
PRIMARY DOCUMENT Director's Dealing	2021-09-17	English
PRIMARY DOCUMENT Director's Dealing	2021-09-17	English
PRIMARY DOCUMENT Director's Dealing	2021-09-16	English
10-Q Interim / Quarterly Report Q3 2021	2021-09-08	English
PRIMARY DOCUMENT Director's Dealing	2021-09-08	English
PRIMARY DOCUMENT Director's Dealing	2021-09-08	English
8-K Regulatory Filings	2021-09-02	English
PRIMARY DOCUMENT Director's Dealing	2021-08-23	English
PRIMARY DOCUMENT Director's Dealing	2021-08-19	English
PRIMARY DOCUMENT Director's Dealing	2021-08-18	English
PRIMARY DOCUMENT Director's Dealing	2021-08-17	English
PRIMARY DOCUMENT Director's Dealing	2021-08-06	English
PRIMARY DOCUMENT Director's Dealing	2021-08-05	English
PRIMARY DOCUMENT Director's Dealing	2021-07-23	English
PRIMARY DOCUMENT Director's Dealing	2021-07-23	English
PRIMARY DOCUMENT Director's Dealing	2021-07-17	English
PRIMARY DOCUMENT Director's Dealing	2021-07-17	English
PRIMARY DOCUMENT Director's Dealing	2021-07-10	English
PRIMARY DOCUMENT Director's Dealing	2021-07-09	English
PRIMARY DOCUMENT Director's Dealing	2021-06-25	English
PRIMARY DOCUMENT Director's Dealing	2021-06-24	English
PRIMARY DOCUMENT Director's Dealing	2021-06-23	English
PRIMARY DOCUMENT Director's Dealing	2021-06-23	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-22	English
PRIMARY DOCUMENT Director's Dealing	2021-06-17	English
PRIMARY DOCUMENT Director's Dealing	2021-06-17	English
PRIMARY DOCUMENT Director's Dealing	2021-06-16	English
PRIMARY DOCUMENT Director's Dealing	2021-06-11	English
PRIMARY DOCUMENT Director's Dealing	2021-06-11	English
10-Q Interim / Quarterly Report Q2 2021	2021-06-09	English
8-K Regulatory Filings	2021-06-03	English
PRIMARY DOCUMENT Director's Dealing	2021-06-01	English
PRIMARY DOCUMENT Director's Dealing	2021-05-28	English
SD Regulatory Filings	2021-05-28	English
PRIMARY DOCUMENT Director's Dealing	2021-05-19	English
PRIMARY DOCUMENT Director's Dealing	2021-05-19	English
PRIMARY DOCUMENT Director's Dealing	2021-05-19	English
PRIMARY DOCUMENT Director's Dealing	2021-05-14	English
PRIMARY DOCUMENT Director's Dealing	2021-05-13	English
PRIMARY DOCUMENT Director's Dealing	2021-04-30	English
S-8 Registration Form	2021-04-21	English
PRIMARY DOCUMENT Director's Dealing	2021-04-16	English
PRIMARY DOCUMENT Director's Dealing	2021-04-16	English
PRIMARY DOCUMENT Director's Dealing	2021-04-16	English
PRIMARY DOCUMENT Director's Dealing	2021-04-14	English
Major Shareholding Notification 2021 Major Shareholding Notification	2021-04-10	English
8-K Regulatory Filings	2021-04-06	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-04-05	English
PRIMARY DOCUMENT Director's Dealing	2021-03-25	English
PRIMARY DOCUMENT Director's Dealing	2021-03-24	English
PRIMARY DOCUMENT Director's Dealing	2021-03-24	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-23	English
PRIMARY DOCUMENT Director's Dealing	2021-03-17	English
PRIMARY DOCUMENT Director's Dealing	2021-03-16	English
PRIMARY DOCUMENT Director's Dealing	2021-03-16	English
PRIMARY DOCUMENT Director's Dealing	2021-03-16	English
10-Q Interim / Quarterly Report Q1 2021	2021-03-10	English
PRIMARY DOCUMENT Director's Dealing	2021-03-09	English
PRIMARY DOCUMENT Director's Dealing	2021-03-09	English
8-K Regulatory Filings	2021-03-04	English
PRIMARY DOCUMENT Director's Dealing	2021-02-23	English
PRIMARY DOCUMENT Director's Dealing	2021-02-19	English
DEFA14A Regulatory Filings	2021-02-18	English
DEF 14A Proxy Solicitation & Information Statement	2021-02-18	English
PRIMARY DOCUMENT Director's Dealing	2021-02-17	English
PRIMARY DOCUMENT Director's Dealing	2021-02-17	English
PRIMARY DOCUMENT Director's Dealing	2021-02-17	English
PRIMARY DOCUMENT Director's Dealing	2021-02-17	English
SCHEDULE 13G/A Major Shareholding Notification	2021-02-10	English
PRIMARY DOCUMENT Director's Dealing	2021-02-09	English
PRIMARY DOCUMENT Director's Dealing	2021-02-08	English
PRIMARY DOCUMENT Director's Dealing	2021-02-08	English
Major Shareholding Notification 2021 Major Shareholding Notification	2021-01-28	English
PRIMARY DOCUMENT Director's Dealing	2021-01-26	English
PRIMARY DOCUMENT Director's Dealing	2021-01-25	English
PRIMARY DOCUMENT Director's Dealing	2021-01-19	English
PRIMARY DOCUMENT Director's Dealing	2021-01-19	English
PRIMARY DOCUMENT Director's Dealing	2021-01-19	English
PRIMARY DOCUMENT Director's Dealing	2021-01-13	English
PRIMARY DOCUMENT Director's Dealing	2021-01-07	English

Filings by year

2026 30 filings
2025 176 filings
2024 159 filings
2023 196 filings
2022 153 filings
2021 156 filings
2020 184 filings
2019 189 filings
2018 187 filings
2017 212 filings
2016 161 filings
2015 188 filings
2014 154 filings
2013 160 filings
2012 139 filings
2011 139 filings
2010 137 filings