HEINRICHS R STEPHEN
Related Filers (4)
- AVISTAR COMMUNICATIONS CORP (4)
- CATAPULT COMMUNICATIONS CORP (2)
- ARTISAN COMPONENTS INC (1)
- PDF SOLUTIONS INC (1)
- Show More ...
Ownership (109)
4
Tuesday, 7/5/2016
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 6/28/2016
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/1/2016
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/15/2015
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/2/2015
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/2/2014
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/11/2014
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/30/2013
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/8/2013
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 11/13/2012
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/13/2012
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/1/2012
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 5/24/2012
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2012
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/28/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/14/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/10/2011
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/8/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/3/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 10/28/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/25/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/1/2011
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2011
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 6/17/2010
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2010
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 2/16/2010
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 2/8/2010
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/2/2010
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/4/2010
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 9/4/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/25/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/4/2009
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/24/2009
CATAPULT COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/22/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/5/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/5/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 1/9/2009
AVISTAR COMMUNICATIONS CORP: Major Shareholders
4
Monday, 1/5/2009
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 12/11/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 12/11/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/9/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/5/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/3/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/2/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/20/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 11/17/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/5/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/2/2008
CATAPULT COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Monday, 6/30/2008
AVISTAR COMMUNICATIONS CORP: Major Shareholders
4
Wednesday, 5/28/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/27/2008
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/21/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/20/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/19/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/16/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/15/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/14/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/12/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/12/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 5/8/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/7/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/6/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/5/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/2/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 2/21/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4/A
Thursday, 2/14/2008
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 1/25/2008
AVISTAR COMMUNICATIONS CORP: Major Shareholders
4
Tuesday, 1/8/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2008
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/24/2007
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 6/7/2007
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/30/2007
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/1/2007
CATAPULT COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2007
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/26/2006
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/3/2006
CATAPULT COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/7/2006
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
3
Monday, 9/19/2005
CATAPULT COMMUNICATIONS CORP: Initial statement of beneficial ownership of securities
4
Monday, 9/19/2005
CATAPULT COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
3
Tuesday, 8/2/2005
PDF SOLUTIONS INC: Initial statement of beneficial ownership of securities
4
Tuesday, 8/2/2005
PDF SOLUTIONS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/21/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/15/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 2/11/2005
AVISTAR COMMUNICATIONS CORP: Major Shareholders
4
Friday, 2/11/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 2/8/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/8/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 2/4/2005
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/28/2004
ARTISAN COMPONENTS INC: Statement of changes in beneficial ownership of securities
4/A
Monday, 8/30/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 8/16/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/13/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 8/12/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/11/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/10/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/6/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 8/5/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/4/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Monday, 8/2/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities
4
Friday, 7/30/2004
AVISTAR COMMUNICATIONS CORP: Statement of changes in beneficial ownership of securities