SEC Filings

Filing date	Form	Description	Filer	View
May 12, 2020	4	Statement of changes in beneficial ownership of securities	Chapin Samuel R.	View HTML 0000899243-20-012816.pdf
May 11, 2020	SC 13G/A	An amendment to the SC 13G filing		View HTML 0000080255-20-001461.pdf
May 05, 2020	8-K	Report of unscheduled material events or corporate event		View HTML 0001157523-20-000660.pdf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
May 01, 2020	8-K	Report of unscheduled material events or corporate event		View HTML 0001193125-20-130958.pdf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 14, 2020	DEFA14A	Additional proxy soliciting materials - definitive		View HTML 0001193125-20-105864.pdf
Apr 07, 2020	4	Statement of changes in beneficial ownership of securities	Mock James M	View HTML 0000899243-20-010390.pdf
Apr 07, 2020	4	Statement of changes in beneficial ownership of securities	Singh Prahlad R.	View HTML 0000899243-20-010394.pdf
Apr 07, 2020	4	Statement of changes in beneficial ownership of securities	Goldberg Joel S	View HTML 0000899243-20-010393.pdf
Apr 07, 2020	4	Statement of changes in beneficial ownership of securities	Vohra Tajinder S	View HTML 0000899243-20-010395.pdf
Apr 01, 2020	8-K	Report of unscheduled material events or corporate event		View HTML 0001193125-20-094601.pdf EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA