$HE SEC Filings

Filing Filed On
11-K 25 Jun 2019
11-K 25 Jun 2019
PRIMARY DOCUMENT 13 May 2019
PRIMARY DOCUMENT 13 May 2019
PRIMARY DOCUMENT 13 May 2019
8-K 10 May 2019
10-Q 07 May 2019
8-K 07 May 2019
8-K 01 May 2019
DEFA14A 26 Mar 2019
DEF 14A 25 Mar 2019
DEFA14A 25 Mar 2019
8-K 19 Mar 2019
PRIMARY DOCUMENT 11 Mar 2019
PRIMARY DOCUMENT 08 Mar 2019
PRIMARY DOCUMENT 07 Mar 2019
PRIMARY DOCUMENT 06 Mar 2019
S-3ASR 01 Mar 2019
10-K 28 Feb 2019
PRIMARY DOCUMENT 19 Feb 2019