$HE SEC Filings

Filing Filed On
8-K 07 Feb 2022
PRIMARY DOCUMENT 01 Feb 2022
SC 13G/A 01 Feb 2022
8-K 28 Jan 2022
PRIMARY DOCUMENT 11 Jan 2022
8-K 03 Jan 2022
PRIMARY DOCUMENT 16 Dec 2021
PRIMARY DOCUMENT 16 Dec 2021
PRIMARY DOCUMENT 16 Dec 2021
PRIMARY DOCUMENT 02 Dec 2021
PRIMARY DOCUMENT 02 Dec 2021
8-K 29 Nov 2021
10-Q 05 Nov 2021
8-K 05 Nov 2021
8-K 04 Nov 2021
8-K/A 01 Nov 2021
8-K 29 Oct 2021
PRIMARY DOCUMENT 12 Oct 2021
8-K 05 Oct 2021
PRIMARY DOCUMENT 18 Aug 2021