SEC Filings

Filing date	Form	Description	Filer	View
May 10, 2000	SC 13G	A statement of beneficial ownership of common stock by certain persons	MORGAN STANLEY	View HTML 0000895421-00-000154.pdf
Feb 14, 2001	SC 13G	A statement of beneficial ownership of common stock by certain persons	HART STEVEN R	View HTML 0001095811-01-001365.pdf
Feb 14, 2001	SC 13G	A statement of beneficial ownership of common stock by certain persons	DANKBERG MARK D	View HTML 0001095811-01-001368.pdf
Apr 28, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	Matrix Capital Management Company, LLC	View HTML 0001104659-08-027367.pdf 0001104659-08-027367.xls
Nov 9, 2009	SC 13G	A statement of beneficial ownership of common stock by certain persons	BAUPOST GROUP LLC/MA	View HTML 0001061768-09-000156.pdf
Jan 29, 2010	SC 13G	A statement of beneficial ownership of common stock by certain persons	BlackRock Inc.	View HTML 0001086364-10-008025.pdf
Dec 9, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0001061768-11-000035.pdf 0001061768-11-000035.xls
Dec 10, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	FMR LLC	View HTML 0000315066-08-004583.pdf
Feb 5, 2009	SC 13G	A statement of beneficial ownership of common stock by certain persons	BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.	View HTML 0000913414-09-004136.pdf
Jan 9, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0001419078-12-000004.pdf