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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001167674-13-000468
Filing Date
2013-02-11
Accepted
2013-02-11 17:10:08
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A rrd468.htm SC 13G/A 50965
  Complete submission text file 0001167674-13-000468.txt   52698
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 3120 UNIONVILLE ROAD SUITE 400 CRANBERRY TWP. PA 16046
Business Address 3120 UNIONVILLE ROAD SUITE 400 CRANBERRY TWP. PA 16046 724-720-1400
TOLLGRADE COMMUNICATIONS INC \PA\ (Subject) CIK: 0001002531 (see all company filings)

IRS No.: 251537134 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-50381 | Film No.: 13592982
SIC: 7385 Services-Telephone Interconnect Systems