Yingkai Xu - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Yingkai Xu is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $380K.
Profile
Yingkai Xu serves as Chief Executive Officer of Mingteng International Corp Inc. (MTEN). Xu has reported 1 insider filing with the SEC since 2026. The most recent filing was in April 2026.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- Mingteng International Corp Inc.
Reported roles
- Chief Executive Officer
Trading Pattern
InsiderAlpha's records for Yingkai Xu go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $380K (1 buy totaling $380K). The largest single buy on record is $380K of MTEN in 2026. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Yingkai Xu has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Executive Officer, Director at Mingteng International Corp Inc. (MTEN) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-21 | MTEN | Mingteng International Corp Inc. | P - Open-market purchase [10b5-1] | 1.52M | $0.25 | $380K |
Most Active Insiders Right Now
Yingkai Xu has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX 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:
- Caroline Young
- Jeffrey Yu
- George Raymond Zage III
- Payam Zamani
- Mahkam Zanganeh
- A.L. Sarroff Fund, LLC
- ABRAMS CAPITAL MANAGEMENT, L.P.
- Abu Dhabi Investment Authority
Frequently Asked Questions
Who is Yingkai Xu?
Yingkai Xu serves as Chief Executive Officer of Mingteng International Corp Inc. (MTEN). Xu has reported 1 insider filing with the SEC since 2026. The most recent filing was in April 2026.…
Has Yingkai Xu been buying or selling stock?
Recorded transactions: 1 open-market purchase ($380K) and 0 open-market sales across all tracked filings.
Where can I see all of Yingkai Xu'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 Yingkai Xu profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.