Form 8-K - Current report:
SEC Accession No. 0001193125-26-267607
Filing Date
2026-06-11
Accepted
2026-06-11 16:21:49
Documents
23
Period of Report
2026-06-08
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 3.02: Unregistered Sales of Equity Securities
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d118604d8k.htm   iXBRL 8-K 51650
2 EX-4.1 d118604dex41.htm EX-4.1 656345
3 EX-10.1 d118604dex101.htm EX-10.1 235166
4 EX-10.2 d118604dex102.htm EX-10.2 203165
5 EX-10.3 d118604dex103.htm EX-10.3 1250771
6 EX-99.1 d118604dex991.htm EX-99.1 16821
10 GRAPHIC g118604g0611003432806.jpg GRAPHIC 2619
11 GRAPHIC g118604g0611003433451.jpg GRAPHIC 3297
12 GRAPHIC g118604g0611003433751.jpg GRAPHIC 3160
13 GRAPHIC g118604g0611003434034.jpg GRAPHIC 3363
14 GRAPHIC g118604g0611003434332.jpg GRAPHIC 3920
15 GRAPHIC g118604g0611003825034.jpg GRAPHIC 3204
16 GRAPHIC g118604snap1.jpg GRAPHIC 4290
  Complete submission text file 0001193125-26-267607.txt   3105023

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA cien-20260608.xsd EX-101.SCH 3171
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE cien-20260608_lab.xml EX-101.LAB 17233
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cien-20260608_pre.xml EX-101.PRE 10806
27 EXTRACTED XBRL INSTANCE DOCUMENT d118604d8k_htm.xml XML 3516
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)

EIN.: 232725311 | State of Incorp.: MD | Fiscal Year End: 1031
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 261083354
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)