COGENT COMMUNICATIONS HOLDINGS, INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Washington, DC
SEC filing record 1 source field available
Fiscal year end
31 December
COGENT COMMUNICATIONS HOLDINGS, INC. has filed 2,541 SEC EDGAR filings since 29 Aug 2001

SEC filing history

Showing 26-50 of 86 matching filings.

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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
13 Feb 2018
Reporting date
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
09 Feb 2018
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SC 13G/A File 005-78106

SC 13G/A

Filing date
07 Feb 2018
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
19 Jan 2018
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
14 Feb 2017
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SC 13G/A File 005-78106

SC 13G/A

Filing date
10 Feb 2017
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
10 Feb 2017
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
12 Jan 2017
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
10 Aug 2016
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
10 May 2016
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
12 Feb 2016
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SC 13G/A File 005-78106

SC 13G/A

Filing date
12 Feb 2016
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
11 Feb 2016
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
26 Jan 2016
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SC 13G/A File 005-78106

SC 13G/A

Filing date
05 Oct 2015
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
10 Jul 2015
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SC 13G File 005-78106

SC 13G filing

Filing date
13 Feb 2015
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SC 13G/A File 005-78106

SCHEDULE 13G AMENDMENT NO. 4

Filing date
13 Feb 2015
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SC 13G/A File 005-78106

HOLDINGS REPORT

Filing date
12 Feb 2015
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
11 Feb 2015
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SC 13G/A File 005-78106

SC 13G/A

Filing date
11 Feb 2015
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SC 13G/A File 005-78106

13G AMENDED ANNUAL FILING - CCOI

Filing date
09 Feb 2015
Reporting date
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
09 Feb 2015
Reporting date
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
02 Feb 2015
Reporting date
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SC 13G/A File 005-78106

SC 13G/A filing

Filing date
14 Feb 2014
Reporting date
Not listed
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