Sam Yu is listed as an executive officer on 1 SEC Form D filing by 1 issuer in May 2009: Yongye Biotechnology International, Inc. (Beijing, China (as filed: F4) — industry reported as "Other" — 2009; $8.98M reported sold to 9 investors).
What this means One deal on file with the SEC, filed May 2009. A Form D is the notice a company files after it starts selling a private investment — it is a notice, not an approval.
Listed alongside Gilmore Larry (1 shared filing), Guo Xiaochuan (1 shared filing), Li Xindan (1 shared filing), Sean Shao (1 shared filing), Sun Taoran (1 shared filing) and 2 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Sam. Each name links to their own page.
Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — none found.
What this means Nothing turned up where we looked (3 sources). That does not prove there is nothing — it means none was found in those sources on that date.