Cite Filings / CCOI / 0001005477-08-003196

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4

Changes in Ownership

COGENT COMMUNICATIONS HOLDINGS, INC. Filed 2008-05-05 Acc 0001005477-08-003196

Documents 1

4 Changes in Ownership , xslF345X02/edgar123.xml

Around this filing

2008-05-09 10-Q Quarterly Report
2008-05-09 8-K Results of operations
2008-05-07 4 Changes in Ownership
2008-05-05 4 Changes in Ownership
2008-05-05 4 Changes in Ownership
2008-04-29 4 Changes in Ownership

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