SEC Filings

Filing date	Form	Description	Filer	View
Jun 11, 2019	4	Statement of changes in beneficial ownership of securities	HILDEBRANDT MARK H	View HTML 0000046619-19-000043.pdf
Jun 12, 2019	4	Statement of changes in beneficial ownership of securities	Walker Steven M	View HTML 0000046619-19-000045.pdf
Jun 13, 2019	4	Statement of changes in beneficial ownership of securities	MENDELSON ERIC A	View HTML 0000046619-19-000047.pdf
Jun 17, 2019	4	Statement of changes in beneficial ownership of securities	HILDEBRANDT MARK H	View HTML 0000046619-19-000049.pdf
Jun 18, 2019	4	Statement of changes in beneficial ownership of securities	SCHRIESHEIM ALAN	View HTML 0000046619-19-000051.pdf
Jun 20, 2019	4	Statement of changes in beneficial ownership of securities	MENDELSON ERIC A	View HTML 0000046619-19-000053.pdf
Jun 26, 2019	4	Statement of changes in beneficial ownership of securities	SCHRIESHEIM ALAN	View HTML 0000046619-19-000055.pdf
Jun 28, 2019	4	Statement of changes in beneficial ownership of securities	Walker Steven M	View HTML 0000046619-19-000057.pdf
Aug 27, 2019	8-K	Report of unscheduled material events or corporate event		View HTML 0000046619-19-000059.pdf 0000046619-19-000059.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
Aug 29, 2019	10-Q	Quarterly report which provides a continuing view of a company's financial position		View HTML 7.31.19 HEI Form 10Q.pdf 1 MB 0000046619-19-000061.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

Data provided by Kaleidoscope.