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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000354204-09-001376
Filing Date
2009-02-09
Accepted
2009-02-09 13:07:27
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd579.htm SC 13G/A 49966
  Complete submission text file 0000354204-09-001376.txt   51912
Mailing Address 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401
Business Address 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005
DIMENSIONAL FUND ADVISORS INC (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 22370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 220 MILL ROAD CHELMSFORD MA 01824
Business Address 220 MILL ROAD CHELMSFORD MA 01824 9782502900
SYCAMORE NETWORKS INC (Subject) CIK: 0001092367 (see all company filings)

IRS No.: 043410558 | State of Incorp.: DE | Fiscal Year End: 0731
Type: SC 13G/A | Act: 34 | File No.: 005-58421 | Film No.: 09580416
SIC: 3661 Telephone & Telegraph Apparatus