Company filings profile · CIK 0002043630
StoneBridge Acquisition II Corp — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for StoneBridge Acquisition II Corp (APAC): 4 filings in the last 90 days vs 5 in the prior 90 (filing-velocity cooling ↓ · 0.8×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 22, 2026. Source-linked, daily-refreshed.
Material 8-K events — StoneBridge Acquisition II Corp
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 21, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 11, 2026 | Departure/Election of Directors or Officers | ↗ |
| Feb 10, 2026 | Other Events | ↗ |
| Feb 3, 2026 | Departure/Election of Directors or Officers | ↗ |
| Nov 18, 2025 | Other Events; Financial Statements and Exhibits | ↗ |
| Oct 7, 2025 | Other Events; Financial Statements and Exhibits | ↗ |
| Oct 6, 2025 | Entry into a Material Agreement; Unregistered Sale of Securities; Departure/Election of Directors or Officers; Amendments to Bylaws/Charter; Other Events; Financial Statements and Exhibits | ↗ |
Watch StoneBridge Acquisition II Corp automatically
Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 21, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | SCHEDULE 13G | ↗ | |
| Aug 14, 2026 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | 10-Q | FORM 10-Q | ↗ |
| May 15, 2026 | 10-Q | 10-Q | ↗ |
| May 14, 2026 | SCHEDULE 13G | ↗ | |
| May 13, 2026 | SCHEDULE 13G | ↗ | |
| May 11, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Apr 20, 2026 | SCHEDULE 13G/A | ↗ | |
| Mar 18, 2026 | 10-K | 10-K | ↗ |
| Feb 12, 2026 | SCHEDULE 13G/A | ↗ | |
| Feb 12, 2026 | SCHEDULE 13G | ↗ | |
| Feb 11, 2026 | SCHEDULE 13G/A | ↗ | |
| Feb 10, 2026 | 8-K | Other Events | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 6, 2026 | 4 | FORM 4 | ↗ |
| Feb 3, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Feb 2, 2026 | 3 | FORM 3 | ↗ |
| Feb 2, 2026 | SCHEDULE 13G | ↗ | |
| Nov 25, 2025 | 3 | PRIMARY DOCUMENT | ↗ |
| Nov 25, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| Nov 18, 2025 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Nov 14, 2025 | SCHEDULE 13G | ↗ | |
| Nov 14, 2025 | SCHEDULE 13G | ↗ | |
| Nov 13, 2025 | SCHEDULE 13G | ↗ | |
| Nov 12, 2025 | 10-Q | 10-Q | ↗ |
| Oct 17, 2025 | 3 | FORM 3 | ↗ |
| Oct 9, 2025 | 3 | FORM 3 | ↗ |
| Oct 7, 2025 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Oct 6, 2025 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Departure/Election of Directors or Officers; Amendments to Bylaws/Charter; Other Events; Financial Statements and Exhibits | ↗ |
| Oct 3, 2025 | 3 | FORM 3 | ↗ |
| Oct 3, 2025 | 3 | FORM 3 | ↗ |
| Oct 1, 2025 | 424B4 | 424B4 | ↗ |
| Sep 30, 2025 | EFFECT | Item ; Item ; Item | ↗ |