Summary
Updated Aug 30, 2026
Eva Yuk Yin Siu is Chief Executive Officer, Director, 10% Owner of Neo-Concept International Group Holdings Ltd (NCI). 1 SEC Form 4 filing on record, dated 12 June 2026.
Trading Pattern
InsiderAlpha's records for Eva Yuk Yin Siu go back to 2026: 1 primary Form 4 filing, an average of 1.0 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
Eva Yuk Yin Siu has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Jayshree Ullal - $365.88M of ANET open-market activity in the last 90 days
- Jeffrey P. Bezos - $346.45M of AMZN open-market activity in the last 90 days
- SL SPV-2, L.P. - $341.29M of DELL open-market activity in the last 90 days
- Silver Lake Partners IV, L.P. - $319.53M of DELL open-market activity in the last 90 days
- BAKER BROS. ADVISORS LP - $317.75M of CELC open-market activity in the last 90 days
- Martine A. Rothblatt - $304.24M of UTHR 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 Eva Yuk Yin Siu?
Eva Yuk Yin Siu is a corporate insider, tracked as Chief Executive Officer, Director, 10% Owner of Neo-Concept International Group Holdings Ltd (NCI). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Eva Yuk Yin Siu submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Eva Yuk Yin Siu'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.
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