SEC Filings

Filing date	Description	Filing Group	Form	View
02/20/20	Report of unscheduled material events or corporate event	Current Reports	8-K	0001193125-20-043701.rtf 0001193125-20-043701.xls 0001193125-20-043701.pdf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
02/14/20	An amendment to the SC 13G filing	Other	SC 13G/A	0000080255-20-001235.rtf 0000080255-20-001235.pdf
02/14/20	A statement of beneficial ownership of common stock by certain persons	Other	SC 13G	0001193125-20-038320.rtf 0001193125-20-038320.xls 0001193125-20-038320.pdf
02/12/20	An amendment to the SC 13G filing	Other	SC 13G/A	0001104659-20-017664.rtf 0001104659-20-017664.xls 0001104659-20-017664.pdf
02/12/20	A statement of beneficial ownership of common stock by certain persons	Other	SC 13G	0001037389-20-000039.rtf 0001037389-20-000039.pdf
02/10/20	An amendment to the SC 13G filing	Other	SC 13G/A	0000834237-20-008656.rtf 0000834237-20-008656.pdf
02/10/20	An amendment to the SC 13G filing	Other	SC 13G/A	0001104659-20-013385.rtf 0001104659-20-013385.xls 0001104659-20-013385.pdf
02/07/20	An amendment to the SC 13G filing	Other	SC 13G/A	0000315066-20-001153.rtf 0000315066-20-001153.pdf
12/20/19	Statement of changes in beneficial ownership of securities	3,4,5	4	0001415889-19-001547.rtf 0001415889-19-001547.pdf
12/12/19	Report of unscheduled material events or corporate event	Current Reports	8-K	0001193125-19-312811.rtf 0001193125-19-312811.xls 0001193125-19-312811.pdf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA

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