Summary
Latest filing:
StoneBridge Acquisition Sponsor II LLC is 10% Owner of StoneBridge Acquisition II Corp (APAC). 1 SEC Form 4 filing on record, dated 7 February 2026.
Trading Pattern
InsiderAlpha's records for StoneBridge Acquisition Sponsor II LLC go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies StoneBridge Acquisition Sponsor II LLC files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- MIZUHO SECURITIES USA LLC - $5.29M of APAC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is StoneBridge Acquisition Sponsor II LLC?
StoneBridge Acquisition Sponsor II LLC is a corporate entity, tracked as 10% Owner of StoneBridge Acquisition II Corp (APAC). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did StoneBridge Acquisition Sponsor II LLC last file a Form 4?
The only primary Form 4 on record is dated 7 February 2026.
Where can I see all of StoneBridge Acquisition Sponsor II LLC's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow StoneBridge Acquisition Sponsor II LLC and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial