Cogent Communications Holdings, Inc. (CCOI): SC 13G/A filed Feb 14, 2011

Name: Cogent Communications Holdings, Inc. SC 13G/A (0000919574-11-000896)
Creator: Cogent Communications Holdings, Inc.
Published: 2011-02-14

Form type: SC 13G/A
Filing date: Feb 14, 2011
Accession number: 0000919574-11-000896
Filer: Cogent Communications Holdings, Inc. (CIK 1158324)