Date Form Description PDF XBRL Pages
08/04/11 4 Statement of changes in beneficial ownership of securities Abstract: Lubbers Arend D
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Walcott Jill A
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Herr Robert L
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Haan Ronald L
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Padnos Douglas B
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Ryan Edward W
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Hankinson Craig A
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Geenen Charles A.
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07/01/11 4 Statement of changes in beneficial ownership of securities Abstract: Hoeksema Matthew D
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06/29/11 4 Statement of changes in beneficial ownership of securities Abstract: Postma Richard L
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