SEC FILINGS

Filing date	Form	Description	View
Mar 12, 2013	424B7	424B7	View HTML 0001193125-13-103253.pdf 0001193125-13-103253.xls
Feb 14, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000950123-11-013490.pdf 0000950123-11-013490.xls
Feb 14, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001193125-11-034861.pdf 0001193125-11-034861.xls
Apr 08, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000315066-11-003306.pdf
Jan 24, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000906304-12-000284.pdf
Feb 07, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000038777-12-000034.pdf 0000038777-12-000034.xls
Feb 14, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000902219-12-000194.pdf 0000902219-12-000194.xls
Feb 12, 2014	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000080255-14-000438.pdf 0000080255-14-000438.xls
Feb 02, 2015	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001086364-15-001699.pdf
Feb 09, 2017	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001258897-17-001244.pdf 0001258897-17-001244.xls