StoneBridge Acquisition II Corp SEC filings APACR
StoneBridge Acquisition II Corp has 64 filings in SEC EDGAR's recent list, going back to Nov 6, 2024. Its latest annual report, Form 10-K, was filed on Mar 18, 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 Sep 21, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 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) | Apr 20, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 3 | Initial insider ownership | Feb 2, 2026 | Feb 2, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 2, 2026 | — |
| 3 | Initial insider ownership | Nov 25, 2025 | Nov 21, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Jul 8, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 13, 2025 | — |
| 3 | Initial insider ownership | Oct 17, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Oct 9, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Oct 3, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Oct 3, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Sep 29, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Sep 29, 2025 | Sep 29, 2025 |
| 3 | Initial insider ownership | Sep 29, 2025 | Sep 29, 2025 |
Showing 30 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
- APAC (Nasdaq), APACR (Nasdaq), APACU (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- New York, NY
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2043630
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.