Helix Acquisition Corp. III SEC filings HLXC
Helix Acquisition Corp. III has 34 filings in SEC EDGAR's recent list, going back to Dec 8, 2025. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 17, 2026 (listing notice). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 13, 2026 | — |
| 8-K |
Current report
Listing notice
|
Aug 17, 2026 | Aug 14, 2026 |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 4, 2026 | — |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 2, 2026 | — |
| 8-K |
Current report
Other events
|
Jan 30, 2026 | Jan 26, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2026 | — |
| 4/A | Filing | Jan 28, 2026 | Jan 26, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Other events
|
Jan 27, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 26, 2026 |
| 424B4 | Prospectus | Jan 23, 2026 | — |
| EFFECT | Filing | Jan 22, 2026 | — |
| 3 | Initial insider ownership | Jan 22, 2026 | Jan 22, 2026 |
| 3 | Initial insider ownership | Jan 22, 2026 | Jan 22, 2026 |
| 3 | Initial insider ownership | Jan 22, 2026 | Jan 22, 2026 |
| 3 | Initial insider ownership | Jan 22, 2026 | Jan 22, 2026 |
| 3 | Initial insider ownership | Jan 22, 2026 | Jan 22, 2026 |
| S-1MEF | Registration statement | Jan 22, 2026 | — |
| CERT | Filing | Jan 22, 2026 | — |
| 8-A12B | For registration of certain classes of securities | Jan 22, 2026 | — |
| CORRESP | Letter to the SEC | Jan 20, 2026 | — |
| CORRESP | Letter to the SEC | Jan 20, 2026 | — |
| S-1/A | Amended registration statement | Jan 16, 2026 | — |
| UPLOAD | Letter from the SEC | Jan 14, 2026 | — |
| S-1 | Registration statement | Dec 8, 2025 | — |
Showing 34 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Blank Checks (SIC 6770)
- Listed as
- HLXC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Boston, MA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2099656
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.