$HLGN SEC Filings

Filing Filed On
DEFINITIVE ADDITIONAL MATERIALS 20 Jun 2024
ANNUAL REPORT 18 Jun 2024
DEFINITIVE PROXY STATEMENT 18 Jun 2024
POST-EFFECTIVE AMENDMENT NO. 4 TO FORM S-3 17 Jun 2024
8-K 14 Jun 2024
25-NSE 10 Jun 2024
FORM SC 13D 23 May 2024
FORM SC 13D/A 23 May 2024
8-K 20 May 2024
PRIMARY DOCUMENT 15 May 2024
10-Q 08 May 2024
8-K 08 May 2024
PRIMARY DOCUMENT 17 Apr 2024
8-K 16 Apr 2024
AMENDMENT NO. 1 TO FORM 8-A12B 16 Apr 2024
PRIMARY DOCUMENT 05 Apr 2024
10-K 26 Mar 2024
REGISTRATION STATEMENT 26 Mar 2024
8-K 25 Mar 2024
PRIMARY DOCUMENT 18 Mar 2024