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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000930413-18-000411
Filing Date
2018-02-14
Accepted
2018-02-13 20:44:10
Documents
1

Document Format Files

Seq Description Document Type Size
1 c90304_sc13ga.htm SC 13G/A 60620
  Complete submission text file 0000930413-18-000411.txt   62126
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: 1031
Type: SC 13G/A | Act: 34 | File No.: 005-54195 | Film No.: 18606530
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 730 THIRD AVENUE NEW YORK NY 10017-3206
Business Address 730 THIRD AVENUE NEW YORK NY 10017-3206 212-490-9000
TEACHERS ADVISORS, LLC (Filed by) CIK: 0000939222 (see all company filings)

IRS No.: 133760073 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A