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Filing metadata

Accession number: 0001140361-13-012420
Form type: Form 4
Filer: COGENT COMMUNICATIONS GROUP INC
CIK: CIK 1158324
Filed: Mar 14, 2013
Reporting period: Mar 13, 2013
Description: Insider transaction

Documents

0001140361-13-012420-index.htm

Complete submission

0001140361-13-012420.txt

directory listing

Filed by

COGENT COMMUNICATIONS GROUP INC