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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-23-015627
Filing Date
2023-02-09
Accepted
2023-02-09 11:12:43
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A tv0581-cienacorp.htm SC 13G/A 11416
  Complete submission text file 0001104659-23-015627.txt   12850
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

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

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1029
Type: SC 13G/A | Act: 34 | File No.: 005-54195 | Film No.: 23602723
SIC: 3661 Telephone & Telegraph Apparatus