SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-The Vanguard Group(5.29%)
SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-The Vanguard Group(5.29%)
4: Statement of changes in beneficial ownership of securities-Officer Collins Laurie R
11-K: Annual report of employee stock purchase, savings and similar plans (and amendment thereto)
4: Statement of changes in beneficial ownership of securities-Director HARTING BRUCE W
4: Statement of changes in beneficial ownership of securities-Director Riveros Mauricio F
4: Statement of changes in beneficial ownership of securities-Director VanGelder Kim E
4: Statement of changes in beneficial ownership of securities-Director DORN ANDREW W JR
4: Statement of changes in beneficial ownership of securities-Director Burlew Dawn H
4: Statement of changes in beneficial ownership of securities-Director BOSWELL DONALD
4: Statement of changes in beneficial ownership of securities-Director GULLO SAMUEL M
FIISP | 3: Initial statement of beneficial ownership of securities- BYERS SANDRA L
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