Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001144204-07-007056
Filing Date
2007-02-13
Accepted
2007-02-13 14:09:20
Documents
1
Group Members
CITADEL DERIVATIVES GROUP LLCCITADEL EQUITY FUND LTD.CITADEL INVESTMENT GROUP, L.L.C.KENNETH GRIFFIN

Document Format Files

Seq Description Document Type Size
1 v064829_sc13ga.htm SC 13G/A 198340
  Complete submission text file 0001144204-07-007056.txt   200423
Mailing Address 100 CYBERONICS BLVD SUITE 600 HOUSTON TX 77058
Business Address 100 CYBERONICS CENTER BLVD SUITE 600 HOUSTON TX 77058 (281) 228-7200
CYBERONICS INC (Subject) CIK: 0000864683 (see all company filings)

EIN.: 760236465 | State of Incorp.: DE | Fiscal Year End: 0430
Type: SC 13G/A | Act: 34 | File No.: 005-45039 | Film No.: 07608238
SIC: 3845 Electromedical & Electrotherapeutic Apparatus

Mailing Address 131 S. DEARBORN STREET, 32ND FLOOR CHICAGO IL 60603
Business Address 131 S. DEARBORN STREET, 32ND FLOOR CHICAGO IL 60606 3123952100
CITADEL L P (Filed by) CIK: 0001027745 (see all company filings)

EIN.: 364111741 | State of Incorp.: IL | Fiscal Year End: 1231
Type: SC 13G/A