Horizon Space Acquisition I Corp.SEC Filings
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All SEC filings by Horizon Space Acquisition I Corp. (HSPOF) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Aug 13, 2026 | |
| 10-Q | Quarterly report | View Diff | May 14, 2026 | |
| 10-K | Annual report | View Diff | Apr 15, 2026 | |
| NT 10-K | Notice of late annual filing | Mar 31, 2026 | ||
| 10-Q | Quarterly report | View Diff | Nov 25, 2025 | |
| NT 10-Q | Notice of late quarterly filing | Nov 17, 2025 | ||
| 10-Q | Quarterly report | View Diff | Aug 11, 2025 | |
| 10-Q | Quarterly report | View Diff | May 14, 2025 | |
| 10-K | Annual report | View Diff | Mar 27, 2025 | |
| 10-Q | Quarterly report | View Diff | Nov 14, 2024 |
Events
| 8-K | Current report | Jul 21, 2026 | ||
| 8-K | Entry Into a Material Definitive Agreement | Apr 23, 2026 | ||
| 8-K | Other Events | Apr 6, 2026 | ||
| 8-K | Changes in Registrant'S Certifying Accountant | Jan 27, 2026 | ||
| 8-K | Entry Into a Material Definitive Agreement | Jan 27, 2026 | ||
| 8-K | Horizon Space Acquisition I Corp. Announces Voluntary Delisting From Nasdaq Capital Market | Dec 11, 2025 | ||
| 8-K | Entry Into a Material Definitive Agreement | Oct 28, 2025 | ||
| 8-K | Entry Into a Material Definitive Agreement | Oct 3, 2025 | ||
| 8-K | Entry Into a Material Definitive Agreement | Aug 27, 2025 | ||
| 8-K | Entry Into a Material Definitive Agreement | Jul 29, 2025 |
Registrations and Prospectuses
| 25 | Voluntary exchange delisting | Dec 12, 2025 | ||
| 425 | Business combination disclosure | Aug 27, 2025 | ||
| 425 | Business combination disclosure | Aug 27, 2025 | ||
| 425 | Business combination disclosure | Jul 29, 2025 | ||
| 425 | Business combination disclosure | Jul 29, 2025 | ||
| 425 | Business combination disclosure | Jun 30, 2025 | ||
| 425 | Business combination disclosure | Jun 30, 2025 | ||
| 425 | Business combination disclosure | May 28, 2025 | ||
| 425 | Business combination disclosure | May 28, 2025 | ||
| 425 | Business combination disclosure | Apr 28, 2025 |
Proxies
| DEFA14A | Extraordinary General Meeting | Apr 6, 2026 | ||
| DEF 14A | Extraordinary General Meeting | View Diff | Apr 2, 2026 | |
| PRE 14A | Extraordinary General Meeting | View Diff | Mar 23, 2026 | |
| DEF 14A | Definitive proxy | View Diff | Oct 14, 2025 | |
| PRE 14A | Preliminary proxy | View Diff | Oct 3, 2025 | |
| DEFA14A | Additional proxy soliciting materials | Dec 20, 2024 | ||
| DEFA14A | Additional proxy soliciting materials | Dec 20, 2024 | ||
| DEFA14A | Additional proxy soliciting materials | Dec 17, 2024 | ||
| DEF 14A | Definitive proxy | View Diff | Nov 19, 2024 | |
| PRE 14A | Preliminary proxy | View Diff | Nov 8, 2024 |
Other
| CORRESP | Correspondence with SEC | Dec 20, 2023 | ||
| UPLOAD | Letter from SEC | Dec 20, 2023 | ||
| UPLOAD | Letter from SEC | Dec 19, 2023 | ||
| EFFECT | Notice of effectiveness | Dec 22, 2022 | ||
| CERT | Certification of approval for exchange listing | Dec 21, 2022 | ||
| CORRESP | Correspondence with SEC | Dec 19, 2022 | ||
| CORRESP | Correspondence with SEC | Dec 19, 2022 | ||
| UPLOAD | Letter from SEC | Oct 24, 2022 |
Ownership
| SC 13G/A | First Trust Capital Management L.p. Updates Stake in Horizon Space Acquisition I Corp. | Feb 13, 2026 | ||
| SC 13G/A | Westchester Capital Management, Llc Updates Stake in Horizon Space Acquisition I Corp. | Feb 13, 2026 | ||
| SC 13G/A | Mizuho Financial Group Inc Updates 0.0% Stake in Horizon Space Acquisition I Corp. | Feb 12, 2026 | ||
| SC 13G/A | Wolverine Asset Management Llc Updates Stake in Horizon Space Acquisition I Corp. | Oct 31, 2025 | ||
| SC 13G/A | Mizuho Financial Group Inc Updates Stake in Horizon Space Acquisition I Corp. | Aug 13, 2025 | ||
| SC 13G/A | First Trust Capital Management L.p. Updates Stake in Horizon Space Acquisition I Corp. | May 15, 2025 | ||
| SC 13G/A | Mizuho Financial Group Inc Updates Stake in Horizon Space Acquisition I Corp. | May 13, 2025 | ||
| SC 13G/A | Td Securities (usa) Llc Updates Stake in Horizon Space Acquisition I Corp. | Mar 5, 2025 | ||
| SC 13G/A | First Trust Capital Management L.p. Updates Stake in Horizon Space Acquisition I Corp. | Feb 14, 2025 | ||
| SC 13G | Td Securities (usa) Llc Acquires Stake in Horizon Space Acquisition I Corp. | Feb 14, 2025 |