FILINGS
| HLGN 0001840292 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2025-01-03 | 8-K | 8-K | View Document |
| 2024-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-12-17 | 8-K | 8-K | View Document |
| 2024-11-08 | 10-Q | 10-Q | View Document |
| 2024-11-08 | 8-K | 8-K | View Document |
| 2024-09-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-09-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-06 | 10-Q | 10-Q | View Document |
| 2024-08-06 | 8-K | 8-K | View Document |
| 2024-08-06 | 8-K/A | 8-K/A | View Document |
| 2024-08-06 | 8-K | 8-K | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-07-29 | SC 13D | FORM SC 13D | View Document |
| 2024-06-26 | EFFECT | View Document | |
| 2024-06-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-06-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-06-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-06-20 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2024-06-18 | ARS | ANNUAL REPORT | View Document |
| 2024-06-18 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2024-06-17 | POS AM | POST-EFFECTIVE AMENDMENT NO. 4 TO FORM S-3 | View Document |
| 2024-06-14 | 8-K | 8-K | View Document |
| 2024-06-10 | 25-NSE | View Document | |
| 2024-05-23 | SC 13D/A | FORM SC 13D/A | View Document |
| 2024-05-23 | SC 13D | FORM SC 13D | View Document |
| 2024-05-20 | 8-K | 8-K | View Document |
| 2024-05-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-05-08 | 10-Q | 10-Q | View Document |
| 2024-05-08 | 8-K | 8-K | View Document |
| 2024-04-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-04-16 | 8-A12B/A | AMENDMENT NO. 1 TO FORM 8-A12B | View Document |
| 2024-04-16 | 8-K | 8-K | View Document |
| 2024-04-05 | 3 | PRIMARY DOCUMENT | View Document |
| 2024-03-26 | S-8 | REGISTRATION STATEMENT | View Document |
| 2024-03-26 | 10-K | 10-K | View Document |
| 2024-03-25 | 8-K | 8-K | View Document |
| 2024-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-23 | SC 13D | SC 13D | View Document |
| 2024-02-20 | SC 13D/A | AMENDMENT NO. 7 | View Document |
| 2024-02-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2024-02-20 | 4 | 4 | View Document |
| 2024-02-20 | 3 | 3 | View Document |
| 2024-02-15 | 8-K | CURRENT REPORT | View Document |
| 2024-02-12 | SC 13G/A | SC 13G/A | View Document |
| 2024-02-07 | SC 13D/A | View Document | |
| 2024-02-05 | 3 | PRIMARY DOCUMENT | View Document |
| 2024-01-19 | 3 | PRIMARY DOCUMENT | View Document |
| 2024-01-12 | 8-K | 8-K | View Document |
| 2023-12-21 | 4/A | PRIMARY DOCUMENT | View Document |
| 2023-12-21 | 4/A | PRIMARY DOCUMENT | View Document |
| 2023-12-21 | 4/A | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-11-14 | 10-Q | 10-Q | View Document |
| 2023-11-07 | 8-K | 8-K | View Document |
| 2023-09-13 | 8-K | CURRENT REPORT | View Document |
| 2023-09-13 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2023-09-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-08-31 | 8-K | 8-K | View Document |
| 2023-08-25 | 8-K | 8-K | View Document |
| 2023-08-09 | 10-Q | 10-Q | View Document |
| 2023-08-08 | 8-K | 8-K | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-08-04 | 8-K | 8-K | View Document |
| 2023-07-18 | EFFECT | View Document | |
| 2023-07-17 | CORRESP | View Document | |
| 2023-07-13 | 3 | PRIMARY DOCUMENT | View Document |
| 2023-07-10 | 8-K | 8-K | View Document |
| 2023-07-06 | SC 13D/A | AMENDMENT NO. 6 | View Document |
| 2023-07-06 | SC 13D/A | View Document | |
| 2023-06-30 | CORRESP | View Document | |
| 2023-06-30 | S-3/A | AMENDMENT NO. 3 TO FORM S-3 | View Document |
| 2023-06-29 | 144 | View Document | |
| 2023-06-28 | 144 | View Document | |
| 2023-06-26 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-06-26 | UPLOAD | View Document | |
| 2023-06-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2023-06-22 | 4 | PRIMARY DOCUMENT | View Document |
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