Browse the latest SEC filings and forms submitted by Horizon Quantum Holdings Ltd. (HQ). Access annual reports, quarterly statements, and other official disclosures.
View Insider Transactions for Horizon Quantum Holdings Ltd. (HQ).
Search Company Filings →| Form | Filing Date | Description | Link |
|---|---|---|---|
| 4 | March 25, 2026 | - | View Document |
| SCHEDULE 13G | March 25, 2026 | - | View Document |
| 4 | March 25, 2026 | - | View Document |
| 20-F | March 25, 2026 | SHELL COMPANY REPORT | View Document |
| 4 | March 25, 2026 | - | View Document |
| 4 | March 24, 2026 | - | View Document |
| SCHEDULE 13D | March 20, 2026 | - | View Document |
| 4 | March 20, 2026 | FORM 4 | View Document |
| 3 | March 20, 2026 | FORM 3 | View Document |
| 3 | March 19, 2026 | - | View Document |
| 3 | March 19, 2026 | - | View Document |
| 3 | March 19, 2026 | - | View Document |
| 3 | March 19, 2026 | - | View Document |
| 3 | March 19, 2026 | - | View Document |
| 6-K | March 19, 2026 | REPORT OF FOREIGN PRIVATE ISSUER | View Document |
| CERT | March 19, 2026 | - | View Document |
| 8-A12B | March 19, 2026 | FOR REGISTRATION OF CERTAIN CLASSES | View Document |
| 424B3 | March 6, 2026 | PROSPECTUS SUPPLEMENT | View Document |
| EFFECT | Feb. 17, 2026 | - | View Document |
| 424B3 | Feb. 17, 2026 | PROSPECTUS | View Document |
| F-4/A | Jan. 30, 2026 | REGISTRATION STATEMENT | View Document |
| F-4 | Jan. 14, 2026 | REGISTRATION STATEMENT | View Document |
| DRS | Oct. 21, 2025 | - | View Document |