SEC Filings

Filing date	Form	Description	View
April 02, 2010	SC 13D/A	An amendment to a SC 13D filing	View HTML 0000898822-10-000163.pdf 0000898822-10-000163.xls
October 08, 2010	SC 13D/A	An amendment to a SC 13D filing	View HTML 0000950123-10-092157.pdf 0000950123-10-092157.xls
November 05, 2010	SC 13D/A	An amendment to a SC 13D filing	View HTML 0000950123-10-101579.pdf 0000950123-10-101579.xls
April 11, 2003	SC 13D/A	An amendment to a SC 13D filing	View HTML 0000950133-03-001291.pdf 0000950133-03-001291.xls
September 17, 2014	SC 13D/A	An amendment to a SC 13D filing	View HTML 0001193125-14-344529.pdf 0001193125-14-344529.xls
July 21, 2016	SC 13D/A	An amendment to a SC 13D filing	View HTML 0001193125-16-652477.pdf 0001193125-16-652477.xls
February 13, 2018	SC 13D/A	An amendment to a SC 13D filing	View HTML 0001193125-18-042852.pdf 0001193125-18-042852.xls
February 01, 1995	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000793698-95-000005.pdf
March 10, 1998	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000892569-98-000652.pdf
February 13, 2009	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001104659-09-009275.pdf 0001104659-09-009275.xls
February 07, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001086364-11-003180.pdf
February 14, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001422849-11-000261.pdf
February 14, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000902219-12-000308.pdf 0000902219-12-000308.xls
February 14, 2013	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000315066-13-002616.pdf
February 12, 2014	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000932471-14-004102.pdf
February 12, 2015	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000902219-15-000309.pdf 0000902219-15-000309.xls
February 16, 2016	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000093751-16-000407.pdf
February 08, 2017	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000093751-17-000058.pdf
February 14, 2018	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000093751-18-000211.pdf
February 08, 2021	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000315066-21-001116.pdf

Data provided by Kaleidoscope.