SEC Filings

Filing date	Form	Description	View
Jun 10, 2022	4	Statement of changes in beneficial ownership of securities	0000046080-22-000079.pdf 0000046080-22-000079.rtf 0000046080-22-000079.xls
Jun 10, 2022	4	Statement of changes in beneficial ownership of securities	0000046080-22-000080.pdf 0000046080-22-000080.rtf 0000046080-22-000080.xls
Jun 10, 2022	4	Statement of changes in beneficial ownership of securities	0000046080-22-000081.pdf 0000046080-22-000081.rtf 0000046080-22-000081.xls
Jun 10, 2022	4	Statement of changes in beneficial ownership of securities	0000046080-22-000082.pdf 0000046080-22-000082.rtf 0000046080-22-000082.xls
Jun 10, 2022	4	Statement of changes in beneficial ownership of securities	0000046080-22-000083.pdf 0000046080-22-000083.rtf 0000046080-22-000083.xls
Jun 08, 2022	8-K	Report of unscheduled material events or corporate event	0000950157-22-000676.pdf 0000950157-22-000676.rtf 0000950157-22-000676.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Jun 06, 2022	DEFA14A	Additional proxy soliciting materials - definitive	0000950157-22-000652.pdf 0000950157-22-000652.rtf 0000950157-22-000652.xls
Jun 03, 2022	DFAN14A	Additional proxy soliciting materials filed by non-management	0000921895-22-001893.pdf 0000921895-22-001893.rtf 0000921895-22-001893.xls
Jun 02, 2022	DEFA14A	Additional proxy soliciting materials - definitive	0000950157-22-000647.pdf 0000950157-22-000647.rtf 0000950157-22-000647.xls
Jun 02, 2022	DFAN14A	Additional proxy soliciting materials filed by non-management	0000921895-22-001888.pdf 0000921895-22-001888.rtf 0000921895-22-001888.xls

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