Chang Michael N

Related Filers (1)

Ownership (41)

4
Monday, 10/28/2013
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/6/2013
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/25/2013
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/11/2013
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/5/2013
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2012
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/12/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/17/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/1/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/17/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/27/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/27/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/25/2011
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 12/3/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/16/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 10/14/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/2/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/17/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/7/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/7/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/12/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2010
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/29/2009
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/25/2009
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/18/2009
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/18/2009
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/9/2009
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/31/2008
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/17/2008
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 5/16/2008
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Monday, 1/7/2008
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2008
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/19/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/14/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Friday, 8/10/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/8/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/18/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
3/A
Tuesday, 4/3/2007
OPTIMER PHARMACEUTICALS INC: Initial statement of beneficial ownership of securities
4
Monday, 4/2/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/14/2007
OPTIMER PHARMACEUTICALS INC: Statement of changes in beneficial ownership of securities
3
Thursday, 2/8/2007
OPTIMER PHARMACEUTICALS INC: Initial statement of beneficial ownership of securities
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