HELMER HAMILTON W
Related Filers (1)
Ownership (31)
4
Monday, 9/12/2016
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/9/2015
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/10/2014
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/10/2013
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 9/6/2013
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 9/7/2012
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 9/12/2011
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/15/2011
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/11/2011
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 9/9/2010
AMERICAN SCIENCE & ENGINEERING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 2/12/2010
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/12/2010
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Monday, 12/7/2009
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/11/2009
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/13/2009
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/17/2008
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/12/2008
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/11/2008
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/14/2007
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/15/2007
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/16/2007
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/15/2006
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 2/24/2006
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/15/2006
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/20/2005
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/8/2005
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/11/2005
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/4/2004
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/17/2004
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Thursday, 4/29/2004
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/26/2003
AMERICAN SCIENCE & ENGINEERING INC: Statement of changes in beneficial ownership of securities