Yu John S — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Yu John S is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $6K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2025-11-26KAPAKairos Pharma, LTD.A — Grant or award190.8K$0.00
2024-11-21KAPAKairos Pharma, LTD.P — Open-market purchase4.0K$1.44$6K

Frequently Asked Questions

Who is Yu John S?

Yu John S is a corporate insider — currently tracked as CEO and Chairman, Director, 10% Owner. InsiderAlpha tracks every SEC Form 4 filing in real time.

Has Yu John S been buying or selling stock?

Recorded transactions: 1 open-market purchases ($6K) and 0 open-market sales () across all tracked filings.

Where can I see all of Yu John S'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

Open the live Yu John S profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.