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Filing metadata

Accession number: 0001140361-11-058061
Form type: Form 4
Filer: COGENT COMMUNICATIONS GROUP INC
CIK: CIK 1158324
Filed: Dec 19, 2011
Reporting period: Dec 15, 2011
Description: Insider transaction

Documents

0001140361-11-058061-index.htm

Complete submission

0001140361-11-058061.txt

directory listing

Filed by

COGENT COMMUNICATIONS GROUP INC