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 451-475 of 1,000 matching filings.

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25

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19

144 File 000-51829

144 filing

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

4

4 filing

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

4

4 filing

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

144 File 000-51829

144 filing

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

8-K File 000-51829

FORM 8-K

Filing date: 29 Aug 2023
Reporting date: 28 Aug 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 29 Aug 2023
Reporting date: 29 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 29 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 25 Aug 2023
Reporting date: 24 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 25 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 Aug 2023
Reporting date: 10 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 000-51829

144 filing

Filing date: 11 Aug 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 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K/A File 000-51829

FORM 8-K/A

Filing date: 10 Aug 2023
Reporting date: 10 Aug 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-51829

FORM 8-K

Filing date: 10 Aug 2023
Reporting date: 10 Aug 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 000-51829

10-Q

Filing date: 09 Aug 2023
Reporting date: 30 Jun 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

3 filing

Filing date: 03 Aug 2023
Reporting date: 02 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-51829

FORM 8-K

Filing date: 27 Jul 2023
Reporting date: 25 Jul 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K/A File 000-51829

FORM 8-K/A

Filing date: 17 Jul 2023
Reporting date: 01 May 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 06 Jul 2023
Reporting date: 01 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

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

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

4

4 filing

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

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