Summary
Updated Aug 31, 2026
Kochi Chang is Director of YD Bio Ltd (YDES). 2 SEC Form 4 filings on record, most recently on 1 July 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Kochi Chang has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Kochi Chang go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
Kochi Chang has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Jason P. Rhodes - $99.40M of DYN open-market activity in the last 90 days
- Catalyst4, Inc. - $98.71M of MPLT open-market activity in the last 90 days
- Sanjay Mehrotra - $96.58M of MU open-market activity in the last 90 days
- David N. Capobianco - $93.81M of LB open-market activity in the last 90 days
- LandBridge Holdings LLC - $93.81M of LB open-market activity in the last 90 days
- Mauad Bruno Sousa - $93.41M of AUGO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Kochi Chang?
Kochi Chang is a corporate insider, tracked as Director of YD Bio Ltd (YDES). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Kochi Chang submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Kochi Chang'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 Kochi Chang 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