Filing date Form Filer Description Filing Group View
4 EMMEL TODD

Statement of changes in beneficial ownership of securities

3,4,5
4 FLUG ROBERT

Statement of changes in beneficial ownership of securities

3,4,5
4 GRACE OLIVER R JR

Statement of changes in beneficial ownership of securities

3,4,5
4 LEWIS MARK SANDERS

Statement of changes in beneficial ownership of securities

3,4,5
4 WINTERS KARL H

Statement of changes in beneficial ownership of securities

3,4,5
SC 13G/A OPPENHEIMER FUNDS INC

An amendment to the SC 13G filing

Other
SC 13G LEGG MASON CAPITAL MANAGEMENT INC

A statement of beneficial ownership of common stock by certain persons

Other
SC 13G/A WELLINGTON MANAGEMENT CO LLP

An amendment to the SC 13G filing

Other
SC 13G/A D. E. Shaw Valence Portfolios, L.L.C.

An amendment to the SC 13G filing

Other
SC 13G/A FMR LLC

An amendment to the SC 13G filing

Other

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