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SC 13G/A

Amended Statement of Ownership

COGENT COMMUNICATIONS HOLDINGS, INC. Filed 2015-02-11 Acc 0001193125-15-043003

Documents 1

SC 13G/A Amended Statement of Ownership , d866366dsc13ga.htm

Around this filing

2015-02-12 SC 13G/A Amended Statement of Ownership
2015-02-11 SC 13G/A Amended Statement of Ownership
2015-02-11 SC 13G/A Amended Statement of Ownership
2015-02-10 4 Changes in Ownership
2015-02-10 4 Changes in Ownership
2015-02-10 8-K Regulation FD disclosure
2015-02-09 SC 13G/A Amended Statement of Ownership

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