$HE SEC Filings

Filing Filed On
PRIMARY DOCUMENT 11 Feb 2021
PRIMARY DOCUMENT 11 Feb 2021
SCHEDULE 13G/A 10 Feb 2021
SC 13G/A 29 Jan 2021
8-K 29 Jan 2021
8-K 19 Jan 2021
8-K 07 Jan 2021
8-K 30 Dec 2020
10-Q 06 Nov 2020
8-K 06 Nov 2020
8-K 30 Oct 2020
8-K 26 Oct 2020
10-Q 06 Aug 2020
8-K 06 Aug 2020
8-K 31 Jul 2020
PRIMARY DOCUMENT 07 Jul 2020
PRIMARY DOCUMENT 02 Jul 2020
PRIMARY DOCUMENT 02 Jul 2020
PRIMARY DOCUMENT 02 Jul 2020
PRIMARY DOCUMENT 02 Jul 2020