$HE 11-K SEC Filings

10-K 10-K405 10-K405/A 10-K/A 10-Q 10-Q/A 11-K 144 144/A 15-12B 25-NSE 3 305B2 3/A 4 424B1 424B2 424B3 424B4 424B5 425 4/A 5 5/A 8-A12B 8-A12B/A 8-K 8-K/A ARS CORRESP CT ORDER D DEF 14A DEFA14A DEFM14A DEFR14A DEL AM EFFECT FWP NT 10-Q NT 10-Q/A POS AM POSASR PRE 14A S-3 S-3/A S-3ASR S-3D S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A U-3A-2 U-57 U-57/A UPLOAD