CONCENTRIC NETWORK CORP

Related Filers (12)

Ownership (23)

SC 13G/A
Monday, 2/14/2000
SOFTBANK CORP: Major Shareholders
SC 13G/A
Friday, 2/11/2000
FMR CORP: Major Shareholders
SC 13G
Tuesday, 7/13/1999
MORGAN J P & CO INC: Major Shareholders
SC 13G
Friday, 7/9/1999
MICROSOFT CORP: Major Shareholders
SC 13G
Monday, 2/22/1999
MORGAN J P & CO INC: Major Shareholders
SC 13G/A
Tuesday, 2/16/1999
GOLDMAN SACHS GROUP LP: Major Shareholders
SC 13G/A
Tuesday, 2/16/1999
KLEINER PERKINS CAUFIELD & BYERS VII L P: Major Shareholders
SC 13G
Friday, 2/12/1999
FMR CORP: Major Shareholders
SC 13G/A
Friday, 2/12/1999
SOFTBANK CORP: Major Shareholders
SC 13G/A
Friday, 2/12/1999
DENVER INVESTMENT ADVISORS LLC: Major Shareholders
SC 13D/A
Friday, 1/29/1999
SBC COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Tuesday, 11/17/1998
WILLIAMS COMMUNICATIONS GROUP INC: Major Shareholders
4
Thursday, 11/12/1998
WILLIAMS COMMUNICATIONS GROUP INC: Statement of changes in beneficial ownership of securities
SC 13D
Thursday, 10/29/1998
SBC COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Friday, 8/14/1998
WILLIAMS COMMUNICATIONS GROUP INC: Major Shareholders
SC 13G
Wednesday, 2/18/1998
TMI TELEMEDIA INTERNATIONAL LTD: Major Shareholders
SC 13G
Tuesday, 2/17/1998
SOFTBANK HOLDINGS INC ET AL: Major Shareholders
SC 13G
Tuesday, 2/17/1998
GOLDMAN SACHS GROUP LP: Major Shareholders
SC 13G
Tuesday, 2/17/1998
RACAL DATACOM INC: Major Shareholders
SC 13G
Tuesday, 2/17/1998
KLEINER PERKINS CAUFIELD & BYERS VII L P: Major Shareholders
SC 13G
Thursday, 2/12/1998
DENVER INVESTMENT ADVISORS LLC: Major Shareholders
3
Friday, 8/15/1997
WILLIAMS COMMUNICATIONS GROUP INC: Initial statement of beneficial ownership of securities
SC 13D
Friday, 8/15/1997
WILLIAMS COMMUNICATIONS GROUP INC: Major Shareholders
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Prospectus (28)

S-8
Wednesday, 6/14/2000
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Friday, 7/23/1999
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Friday, 3/19/1999
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
424B4
Tuesday, 2/23/1999
Prospectus filed pursuant to Rule 424(b)(4)
S-3/A
Monday, 2/22/1999
Registration statement for specified transactions by certain issuers
S-3/A
Thursday, 2/4/1999
Registration statement for specified transactions by certain issuers
S-3
Wednesday, 1/27/1999
Registration statement for specified transactions by certain issuers
S-8
Friday, 8/28/1998
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-4/A
Tuesday, 8/11/1998
Registration of securities issued in business combination transactions
S-4
Tuesday, 7/7/1998
Registration of securities issued in business combination transactions
S-8
Monday, 7/6/1998
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-4/A
Tuesday, 3/24/1998
Registration of securities issued in business combination transactions
S-4
Wednesday, 1/28/1998
Registration of securities issued in business combination transactions
424B4
Monday, 9/29/1997
Prospectus filed pursuant to Rule 424(b)(4)
S-1/A
Tuesday, 9/16/1997
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Wednesday, 8/27/1997
General form of registration statement for all companies including face-amount certificate companies
S-1
Wednesday, 8/13/1997
General form of registration statement for all companies including face-amount certificate companies
S-8
Friday, 8/8/1997
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-1MEF
Friday, 8/1/1997
A new registration statement filed under Rule 462(b) to add securities to a prior related effective registration statement filed on Form S-1
424B4
Friday, 8/1/1997
Prospectus filed pursuant to Rule 424(b)(4)
S-1/A
Thursday, 7/31/1997
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Friday, 7/25/1997
General form of registration statement for all companies including face-amount certificate companies
RW
Friday, 7/11/1997
Registration Withdrawal Request
424A
Thursday, 7/3/1997
Prospectus filed pursuant to Rule 424(a)
S-1/A
Tuesday, 7/1/1997
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Monday, 6/23/1997
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Wednesday, 6/4/1997
General form of registration statement for all companies including face-amount certificate companies
S-1
Friday, 5/16/1997
General form of registration statement for all companies including face-amount certificate companies
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