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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000921895-11-000697
Filing Date
2011-04-05
Accepted
2011-04-04 18:49:48
Documents
3

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 10 TO THE SCHEDULE 13D sc13da1006297057_03312011.htm SC 13D/A 246940
2 JOINT FILING AGREEMENT ex991to13da1006297057_033111.htm EX-99.1 9490
3 POWER OF ATTORNEY ex992to13da1006297057_033111.htm EX-99.2 6167
  Complete submission text file 0000921895-11-000697.txt   264071
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 13D/A | Act: 34 | File No.: 005-50381 | Film No.: 11737623
SIC: 7385 Services-Telephone Interconnect Systems

Mailing Address 599 LEXINGTON AVENUE, 19TH FLOOR NEW YORK NY 10022
Business Address 599 LEXINGTON AVENUE, 19TH FLOOR NEW YORK NY 10022 (212) 845-7977
Starboard Value LP (Filed by) CIK: 0001517137 (see all company filings)

IRS No.: 000000000
Type: SC 13D/A