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Filing metadata

Accession number: 0001144204-11-029506
Form type: Form 4
Filer: Duff & Phelps Corp
CIK: CIK 1397821
Filed: May 16, 2011
Reporting period: May 12, 2011
Description: Insider transaction

Documents

0001144204-11-029506-index.htm

Complete submission

0001144204-11-029506.txt

directory listing

Filed by

Duff & Phelps Corp