Cite Filings / CCOI / 0001005477-08-002136

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4

Changes in Ownership

COGENT COMMUNICATIONS HOLDINGS, INC. Filed 2008-03-05 Acc 0001005477-08-002136

Documents 1

4 Changes in Ownership , xslF345X02/edgar123.xml

Around this filing

2008-03-10 DEF 14A Proxy Statement
2008-03-10 SC 13G/A Amended Statement of Ownership
2008-03-07 4 Changes in Ownership
2008-03-05 4 Changes in Ownership
2008-03-05 4 Changes in Ownership
2008-03-04 4 Changes in Ownership
2008-03-03 4 Changes in Ownership

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