COGENT COMMUNICATIONS HOLDINGS, INC. reports

Company location: Washington, DC
Fiscal year end: 31 December

COGENT COMMUNICATIONS HOLDINGS, INC. has filed 2,541 SEC EDGAR filings since 29 Aug 2001

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SEC filing history

Showing 476-500 of 1,000 matching filings.

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20

4

4 filing

Filing date: 05 Jul 2023
Reporting date: 01 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 03 Jul 2023
Reporting date: 01 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 16 Jun 2023
Reporting date: 14 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 14 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 08 Jun 2023
Reporting date: 08 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 08 Jun 2023
Reporting date: 06 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 07 Jun 2023
Reporting date: 06 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 06 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 05 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 05 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 05 Jun 2023
Reporting date: 05 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 02 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 01 Jun 2023
Reporting date: 30 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 01 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 31 May 2023
Reporting date: 30 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144/A File 000-51829

144/A filing

Filing date: 12 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 12 May 2023
Reporting date: 11 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 12 May 2023
Reporting date: 10 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-271876

FORM S-8

Filing date: 12 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 12 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 10 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 10 May 2023
Reporting date: 09 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 09 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-51829

FORM-10-Q

Filing date: 05 May 2023
Reporting date: 31 Mar 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-51829

FORM 8-K

Filing date: 04 May 2023
Reporting date: 03 May 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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