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 851-875 of 1,000 matching filings.

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25

Current page

35

4

FORM 4

Filing date: 02 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 12 Nov 2019
Reporting date: 11 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 Nov 2019
Reporting date: 05 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 Nov 2019
Reporting date: 05 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3

Filing date: 07 Nov 2019
Reporting date: 05 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3

Filing date: 07 Nov 2019
Reporting date: 05 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-51829

10-Q

Filing date: 07 Nov 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-51829

FORM 8-K

Filing date: 07 Nov 2019
Reporting date: 04 Nov 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 03 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Oct 2019
Reporting date: 01 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Sep 2019
Reporting date: 10 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 05 Sep 2019
Reporting date: 05 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 05 Sep 2019
Reporting date: 05 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Sep 2019
Reporting date: 03 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Sep 2019
Reporting date: 30 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 22 Aug 2019
Reporting date: 21 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-51829

FORM 10-Q

Filing date: 08 Aug 2019
Reporting date: 30 Jun 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-51829

FORM 8-K

Filing date: 08 Aug 2019
Reporting date: 08 Aug 2019
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

FORM 3

Filing date: 07 Aug 2019
Reporting date: 07 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jul 2019
Reporting date: 01 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

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