CLARKE DAVID

Related Filers (1)

Ownership (4)

4/A
Wednesday, 4/11/2012
GSI GROUP INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/4/2012
GSI GROUP INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/12/2012
GSI GROUP INC: Statement of changes in beneficial ownership of securities
3
Thursday, 8/11/2011
GSI GROUP INC: Initial statement of beneficial ownership of securities
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