KATZ CAROLYN
Related Filers (5)
- VONAGE HOLDINGS CORP (32)
- AMERICAN TOWER CORP /MA/ (31)
- NII HOLDINGS INC (14)
- COGENT COMMUNICATIONS HOLDINGS, INC. (11)
- UNIVERSAL ACCESS GLOBAL HOLDINGS INC (2)
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Ownership (90)
4
Tuesday, 10/5/2021
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 10/1/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/6/2021
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 7/2/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 7/2/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 4/5/2021
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 4/1/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2021
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/4/2021
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 10/5/2020
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 10/1/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 7/6/2020
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/1/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/2/2020
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/1/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 1/3/2020
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/2/2020
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
3
Thursday, 11/7/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Initial statement of beneficial ownership of securities
4
Thursday, 11/7/2019
COGENT COMMUNICATIONS HOLDINGS, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 10/3/2019
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/2/2019
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/2/2019
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/2/2019
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/2/2018
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/3/2018
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/3/2018
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/3/2018
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/3/2017
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2017
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/31/2017
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2017
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/14/2017
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2017
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/4/2016
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/8/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/9/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 7/8/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/5/2016
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/4/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Monday, 4/4/2016
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/14/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2016
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2016
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 10/2/2015
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 7/2/2015
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 4/2/2015
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/12/2015
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Monday, 1/5/2015
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/22/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Monday, 12/15/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/12/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/15/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 10/3/2014
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/12/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/13/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/15/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Thursday, 7/3/2014
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/1/2014
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/12/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/5/2014
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
3
Monday, 2/3/2014
VONAGE HOLDINGS CORP: Initial statement of beneficial ownership of securities
4
Monday, 2/3/2014
VONAGE HOLDINGS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/2/2013
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/13/2013
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
5
Tuesday, 2/19/2013
AMERICAN TOWER CORP /MA/: Annual statement of changes in beneficial ownership of securities
4
Monday, 9/24/2012
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/26/2012
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/14/2012
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/22/2011
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/14/2011
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Monday, 4/26/2010
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/12/2010
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/24/2009
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/12/2009
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/25/2008
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/18/2008
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/31/2007
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/27/2007
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/19/2007
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/28/2006
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/2/2006
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/29/2005
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/5/2005
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
4
Friday, 4/30/2004
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/8/2004
AMERICAN TOWER CORP /MA/: Statement of changes in beneficial ownership of securities
3
Monday, 2/23/2004
AMERICAN TOWER CORP /MA/: Initial statement of beneficial ownership of securities
4
Tuesday, 12/23/2003
NII HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/22/2003
UNIVERSAL ACCESS GLOBAL HOLDINGS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/2/2003
UNIVERSAL ACCESS GLOBAL HOLDINGS INC: Statement of changes in beneficial ownership of securities