FILINGS
| HLGN 0001840292 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2022-08-22 | 4 | FORM 4 | View Document |
| 2022-08-18 | 424B3 | PROSPECTUS SUPPLEMENT | View Document |
| 2022-08-18 | 424B3 | PROSPECTUS SUPPLEMENT | View Document |
| 2022-08-18 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-08-17 | 8-K | CURRENT REPORT | View Document |
| 2022-08-16 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-08-12 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-08-12 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-08-12 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-08-12 | 10-Q | 10-Q | View Document |
| 2022-08-10 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-08-10 | 8-K | 8-K | View Document |
| 2022-08-08 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-08-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-29 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-25 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-07-21 | 8-K | CURRENT REPORT | View Document |
| 2022-07-20 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-12 | 4/A | AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View Document |
| 2022-07-12 | 3/A | AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | View Document |
| 2022-07-08 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-05 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-07-05 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-07-01 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2022-07-01 | 3 | OWNERSHIP DOCUMENT | View Document |
| 2022-06-30 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View Document |
| 2022-06-30 | 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | View Document |
| 2022-06-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-06-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-06-07 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2022-06-07 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2022-06-07 | 424B3 | PROSPECTUS | View Document |
| 2022-06-06 | EFFECT | View Document | |
| 2022-06-06 | 8-K | CURRENT REPORT | View Document |
| 2022-06-02 | 4/A | PRIMARY DOCUMENT | View Document |
| 2022-06-02 | SC 13G/A | AMENDMENT NO. 1 | View Document |
| 2022-06-01 | SC 13D | SC 13D | View Document |
| 2022-05-27 | POS AM | POST-EFFECTIVE REGISTRATION STATEMENT | View Document |
| 2022-05-23 | 10-Q | 10-Q | View Document |
| 2022-05-23 | 8-K | 8-K | View Document |
| 2022-05-23 | 10-K/A | AMENDMENT NO. 1 TO FORM 10-K | View Document |
| 2022-05-17 | NT 10-Q | NOTIFICATION OF LATE FILING | View Document |
| 2022-05-17 | 8-K | CURRENT REPORT | View Document |
| 2022-04-13 | 424B3 | PROSPECTUS | View Document |
| 2022-04-12 | EFFECT | View Document | |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-08 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-06 | POS AM | POST EFFECTIVE AMENDMENT | View Document |
| 2022-03-31 | 10-K | 10-K | View Document |
| 2022-03-29 | 8-K | 8-K | View Document |
| 2022-03-10 | SC 13G | View Document | |
| 2022-03-07 | S-8 | REGISTRATION STATEMENT | View Document |
| 2022-02-23 | SC 13G | SC 13G | View Document |
| 2022-02-23 | SC 13G | View Document | |
| 2022-02-14 | SC 13G | SC 13G | View Document |
| 2022-02-11 | SC 13G/A | View Document | |
| 2022-02-08 | 424B3 | PROSPECTUS | View Document |
| 2022-02-03 | EFFECT | View Document | |
| 2022-02-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-31 | CORRESP | View Document | |
| 2022-01-31 | UPLOAD | View Document | |
| 2022-01-24 | S-1 | REGISTRATION STATEMENT | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-10 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-10 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-07 | 4/A | FORM 4/A SUBMISSION | View Document |
| 2022-01-07 | 4/A | FORM 4/A SUBMISSION | View Document |
| 2022-01-07 | 4/A | FORM 4/A SUBMISSION | View Document |
| 2022-01-06 | 8-K | CURRENT REPORT | View Document |
| 2022-01-05 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-05 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-05 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-05 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-04 | 4 | View Document | |
| 2022-01-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-04 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-01-03 | 25-NSE | View Document | |
| 2021-12-30 | 425 | CURRENT REPORT | View Document |
| 2021-12-30 | 8-K | CURRENT REPORT | View Document |
| 2021-12-30 | 425 | FORM 425 | View Document |
| 2021-12-29 | 425 | CURRENT REPORT | View Document |
| 2021-12-29 | 8-K | CURRENT REPORT | View Document |
| 2021-12-23 | 425 | FORM 425 | View Document |
| 2021-12-22 | 425 | 425 | View Document |
| 2021-12-20 | 425 | FORM 425 | View Document |
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