SEC Filings

Filing date	Form	Description	View
Apr 16, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000023.pdf 0000882104-18-000023.xls
Apr 10, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000019.pdf 0000882104-18-000019.xls
Apr 9, 2018	PREC14A	Preliminary proxy statement containing contested solicitations	View HTML 0000882104-18-000016.pdf 0000882104-18-000016.xls
Apr 9, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000017.pdf 0000882104-18-000017.xls
Mar 16, 2018	10-K	Annual report which provides a comprehensive overview of the company for the past year	View HTML 0000882104-18-000012.pdf 0000882104-18-000012.xls EX-101.INS - XBRL INSTANCE DOCUMENT
Mar 13, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000009.pdf 0000882104-18-000009.xls
Mar 8, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000007.pdf 0000882104-18-000007.xls
Feb 21, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000004.pdf 0000882104-18-000004.xls
Feb 20, 2018	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-18-000002.pdf 0000882104-18-000002.xls
Feb 14, 2018	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000093751-18-000181.pdf
Feb 14, 2018	SC 13G/A	An amendment to the SC 13G filing	View HTML 0001037389-18-000144.pdf
Feb 9, 2018	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001258897-18-001255.pdf 0001258897-18-001255.xls
Feb 9, 2018	SC 13G/A	An amendment to the SC 13G filing	View HTML 0000932471-18-004042.pdf 0000932471-18-004042.xls
Jan 23, 2018	SC 13G/A	An amendment to the SC 13G filing	View HTML 0000215457-18-002519.pdf
Dec 21, 2017	8-K	Report of unscheduled material events or corporate event	View HTML 0000882104-17-000130.pdf 0000882104-17-000130.xls