SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-21-356718
Filing Date
2021-12-14
Accepted
2021-12-14 15:34:04
Documents
14
Period of Report
2021-12-13
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d249941d8k.htm   iXBRL 8-K 28386
2 EX-10.1 d249941dex101.htm EX-10.1 167609
3 EX-99.1 d249941dex991.htm EX-99.1 6797
  Complete submission text file 0001193125-21-356718.txt   363103

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA cien-20211213.xsd EX-101.SCH 2884
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE cien-20211213_lab.xml EX-101.LAB 17375
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cien-20211213_pre.xml EX-101.PRE 10948
7 EXTRACTED XBRL INSTANCE DOCUMENT d249941d8k_htm.xml XML 3252
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Filer) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1030
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 211490813
SIC: 3661 Telephone & Telegraph Apparatus