Wanger Investment Management, Inc.

Related Filers (4)

Ownership (31)

SC 13D/A
Wednesday, 2/16/2011
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Friday, 2/4/2011
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Thursday, 1/13/2011
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Tuesday, 10/20/2009
ALTIGEN COMMUNICATIONS INC: Major Shareholders
4
Tuesday, 9/29/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/30/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/22/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 6/4/2009
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Tuesday, 5/19/2009
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Monday, 5/18/2009
ALTIGEN COMMUNICATIONS INC: Major Shareholders
4/A
Friday, 4/24/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/14/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/2/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/3/2009
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 1/8/2009
ALTIGEN COMMUNICATIONS INC: Major Shareholders
SC 13D/A
Friday, 12/12/2008
ALTIGEN COMMUNICATIONS INC: Major Shareholders
3
Friday, 12/12/2008
ALTIGEN COMMUNICATIONS INC: Initial statement of beneficial ownership of securities
4
Friday, 12/12/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/19/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/19/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/19/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/3/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/18/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
SC 13D
Friday, 3/14/2008
ALTIGEN COMMUNICATIONS INC: Major Shareholders
4
Monday, 2/4/2008
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/5/2007
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/31/2007
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/28/2007
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/21/2007
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/28/2007
ALTIGEN COMMUNICATIONS INC: Statement of changes in beneficial ownership of securities
SC 13G
Friday, 9/8/2006
ALTIGEN COMMUNICATIONS INC: Major Shareholders
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