Summary
Updated Aug 31, 2026
Rui Fang is Chief Executive Officer, Director, 10% Owner of Yuanbao Inc. (YB). 2 SEC Form 4 filings on record, most recently on 28 May 2026.
Trading Pattern
InsiderAlpha's records for Rui Fang 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
Rui Fang has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- David Zaslav - $86.59M of WBD open-market activity in the last 90 days
- Alexander C. Karp - $86.06M of PLTR open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $7.98B of SVRE open-market activity in the last 90 days
- Magnetar Financial LLC - $6.65B of CRWV open-market activity in the last 90 days
- James F. Wirth - $2.86B of IHT open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO 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 Rui Fang?
Rui Fang is a corporate insider, tracked as Chief Executive Officer, Director, 10% Owner of Yuanbao Inc. (YB). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Rui Fang last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 2 filings going back to 2026.
Where can I see all of Rui Fang'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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