Dietrick William M.
Related Filers (1)
Ownership (7)
4
Tuesday, 2/19/2013
Proto Labs Inc: Statement of changes in beneficial ownership of securities
5
Thursday, 2/14/2013
Proto Labs Inc: Annual statement of changes in beneficial ownership of securities
4
Thursday, 1/17/2013
Proto Labs Inc: Statement of changes in beneficial ownership of securities
4
Thursday, 11/29/2012
Proto Labs Inc: Statement of changes in beneficial ownership of securities
4
Monday, 10/29/2012
Proto Labs Inc: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/9/2012
Proto Labs Inc: Statement of changes in beneficial ownership of securities
3
Thursday, 2/23/2012
Proto Labs Inc: Initial statement of beneficial ownership of securities