Cogent Communications Holdings, Inc. SC 13G and SC 13G/A reports

Location
2450 N Street, Nw, Washington, DC
State of incorporation
DE
Fiscal year end
December 31
Data updated at
11/7/2024, 12:16 PM
Form type Sec Links Description Filing date Reporting date
SC 13G/A Report Oct 23, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 13, 2024
SC 13G/A Report AMENDMENT NO. 1 TO SCHEDULE 13G Jan 26, 2024
SC 13G/A Report Jan 22, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G Report SCHEDULE 13G Feb 3, 2023
SC 13G/A Report Jan 30, 2023
SC 13G/A Report Feb 10, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2022
SC 13G/A Report Jan 27, 2022
SC 13G/A Report Jan 25, 2022
SC 13G/A Report SCHEDULE 13G/A May 10, 2021
SC 13G/A Report Feb 11, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
SC 13G/A Report Jan 26, 2021
SC 13G/A Report Feb 13, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report Feb 4, 2020
SC 13G/A Report SCHEDULE 13G/A May 10, 2019
SC 13G/A Report Feb 13, 2019
SC 13G/A Report Feb 11, 2019
SC 13G/A Report Jan 24, 2019
SC 13G/A Report Mar 12, 2018
SC 13G Report Feb 14, 2018
SC 13G/A Report Feb 13, 2018
SC 13G/A Report Feb 9, 2018
SC 13G/A Report SC 13G/A Feb 7, 2018
SC 13G/A Report Jan 19, 2018
SC 13G/A Report Feb 14, 2017
SC 13G/A Report SC 13G/A Feb 10, 2017
SC 13G/A Report Feb 10, 2017
SC 13G/A Report Jan 12, 2017
SC 13G/A Report Aug 10, 2016
SC 13G/A Report May 10, 2016
SC 13G/A Report Feb 12, 2016
SC 13G/A Report SC 13G/A Feb 12, 2016
SC 13G/A Report Feb 11, 2016
SC 13G/A Report Jan 26, 2016
SC 13G/A Report SC 13G/A Oct 5, 2015
SC 13G/A Report Jul 10, 2015
SC 13G Report Feb 13, 2015
SC 13G/A Report SCHEDULE 13G AMENDMENT NO. 4 Feb 13, 2015
SC 13G/A Report HOLDINGS REPORT Feb 12, 2015
SC 13G/A Report Feb 11, 2015
SC 13G/A Report SC 13G/A Feb 11, 2015
SC 13G/A Report 13G AMENDED ANNUAL FILING - CCOI Feb 9, 2015
SC 13G/A Report Feb 9, 2015
SC 13G/A Report Feb 2, 2015
SC 13G/A Report Feb 14, 2014
SC 13G/A Report SC 13G/A Feb 14, 2014
SC 13G/A Report Feb 12, 2014
SC 13G Report OWNERSHIP REPORT Feb 12, 2014
SC 13G Report 13G INITIAL ANNUAL FILING - CCOI Feb 6, 2014
SC 13G Report Feb 5, 2014
SC 13G/A Report Jan 28, 2014
SC 13G/A Report Feb 14, 2013
SC 13G/A Report SC 13G/A Feb 14, 2013
SC 13G/A Report SCHEDULE 13G AMENDMENT NO.8 Feb 14, 2013
SC 13G Report INITIAL HOLDINGS REPORT Feb 14, 2013
SC 13G/A Report Feb 12, 2013
SC 13G/A Report Feb 8, 2013
SC 13G/A Report SC 13G/A Feb 14, 2012
SC 13G/A Report Feb 14, 2012
SC 13G/A Report Feb 13, 2012
SC 13G/A Report SCHEDULE 13G AMENDMENT NO. 7 Feb 10, 2012
SC 13G/A Report MSIM EXIT Feb 8, 2012
SC 13G Report Feb 7, 2012
SC 13G/A Report Feb 2, 2012
SC 13G/A Report DOC ONE Jul 11, 2011
SC 13G/A Report CCOI AS OF 12/31/2010 Feb 17, 2011
SC 13G Report SCHEDULE 13G Feb 14, 2011
SC 13G/A Report DOC ONE Feb 14, 2011
SC 13G/A Report Feb 14, 2011
SC 13G/A Report SC 13G/A Feb 10, 2011
SC 13G/A Report AM MSIM AMENDMENT Feb 9, 2011
SC 13G Report Feb 3, 2011
SC 13G/A Report SC 13G/A Dec 8, 2010
SC 13G/A Report Oct 8, 2010
SC 13G/A Report DOC ONE Feb 16, 2010
SC 13G/A Report FORM SC 13G/A Feb 12, 2010
SC 13G/A Report AM-AMENDMENT-MSIM Feb 12, 2010
SC 13G/A Report CCOI AS OF 12/31/2009 Feb 12, 2010
SC 13G/A Report SCHEDULE 13G-A(1) Feb 10, 2010
SC 13G/A Report COGENT COMMUNICATIONS 13GA4 Feb 9, 2010
SC 13G Report Jan 29, 2010