Horizon Quantum Holdings Ltd. — All Filings
40 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | — | 0001213900-26-034272 | Mar 25, 2026 | Mar 19, 2026 |
| 4 | — | 0001213900-26-034087 | Mar 25, 2026 | Mar 19, 2026 |
| 4 | — | 0001213900-26-034065 | Mar 25, 2026 | Mar 19, 2026 |
| 20-F | SHELL COMPANY REPORT | 0001213900-26-034058 | Mar 25, 2026 | Mar 19, 2026 |
| SCHEDULE 13G | — | 0000950103-26-004607 | Mar 25, 2026 | — |
| 4 | — | 0001213900-26-033688 | Mar 24, 2026 | Mar 19, 2026 |
| SCHEDULE 13D | — | 0001829126-26-002590 | Mar 20, 2026 | — |
| 4 | FORM 4 | 0001829126-26-002587 | Mar 20, 2026 | Mar 19, 2026 |
| 3 | FORM 3 | 0001829126-26-002585 | Mar 20, 2026 | Mar 19, 2026 |
| 3 | — | 0001213900-26-031954 | Mar 19, 2026 | — |
| 3 | — | 0001213900-26-031955 | Mar 19, 2026 | — |
| 3 | — | 0001213900-26-031953 | Mar 19, 2026 | — |
| 3 | — | 0001213900-26-031952 | Mar 19, 2026 | — |
| 3 | — | 0001213900-26-031951 | Mar 19, 2026 | — |
| 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-26-031930 | Mar 19, 2026 | — |
| CERT | — | 0001354457-26-000270 | Mar 19, 2026 | — |
| 8-A12B | FOR REGISTRATION OF CERTAIN CLASSES | 0001213900-26-031619 | Mar 19, 2026 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001213900-26-024748 | Mar 6, 2026 | — |
| EFFECT | — | 9999999995-26-000609 | Feb 17, 2026 | — |
| 424B3 | PROSPECTUS | 0001213900-26-017455 | Feb 17, 2026 | — |
| F-4/A | REGISTRATION STATEMENT | 0001213900-26-009801 | Jan 30, 2026 | — |
| F-4 | REGISTRATION STATEMENT | 0001213900-26-004420 | Jan 14, 2026 | — |
| DRS | — | 0001213900-25-100898 | Oct 21, 2025 | — |