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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000312348-13-000010
Filing Date
2013-02-14
Accepted
2013-02-14 17:07:48
Documents
1

Document Format Files

Seq Description Document Type Size
1 cienacorp.txt SC 13G/A 8235
  Complete submission text file 0000312348-13-000010.txt   9744
Mailing Address ONE FINANCIAL CENTER 27TH FLOOR BOSTON MA 02111
Business Address ONE FINANCIAL CTR LEGAL & COMPLIANCE, 27TH FLOOR BOSTON MA 02111 617-748-1761
LOOMIS SAYLES & CO L P (Filed by) CIK: 0000312348 (see all company filings)

IRS No.: 043200030
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: 1031
Type: SC 13G/A | Act: 34 | File No.: 005-54195 | Film No.: 13615679
SIC: 3661 Telephone & Telegraph Apparatus