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 201-225 of 1,000 matching filings.

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25
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9
4

4 filing

Filing date
11 Apr 2025
Reporting date
10 Apr 2025
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4

4 filing

Filing date
04 Apr 2025
Reporting date
04 Apr 2025
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4

4 filing

Filing date
01 Apr 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
SEC evidence
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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4

4 filing

Filing date
31 Mar 2025
Reporting date
31 Mar 2025
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ARS File 000-51829

ARS

Filing date
26 Mar 2025
Reporting date
31 Dec 2024
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DEF 14A File 000-51829

FORM DEF 14A

Filing date
26 Mar 2025
Reporting date
07 May 2025
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144 File 000-51829

144 filing

Filing date
14 Mar 2025
Reporting date
Not listed
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4

4 filing

Filing date
13 Mar 2025
Reporting date
12 Mar 2025
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PRE 14A File 000-51829

FORM PRE 14A

Filing date
13 Mar 2025
Reporting date
07 May 2025
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4

4 filing

Filing date
12 Mar 2025
Reporting date
10 Mar 2025
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144 File 000-51829

144 filing

Filing date
11 Mar 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
10 Mar 2025
Reporting date
07 Mar 2025
SEC evidence
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4

4 filing

Filing date
07 Mar 2025
Reporting date
05 Mar 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
05 Mar 2025
Reporting date
04 Mar 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
05 Mar 2025
Reporting date
04 Mar 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
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