Constantine Tsang is listed as an executive officer and director on 1 SEC Form D filing by 1 issuer in Aug 2018: Pivan Interactive, Inc. (Boulder, CO — other technology — 2018; $100K reported sold to 1 investors).
What this means One deal on file with the SEC, filed Aug 2018. 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 David Sturgeon (1 shared filing).
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Constantine. Each name links to their own page.
The issuer belongs to the sponsor group Pivan (2 issuers, $550K reported sold, 2013–2018).
What this means A sponsor group is one team that sets up a new company for each deal. Pivan has 2 companies on file and $550K reported sold in total — the group page shows the whole track record in one place.
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.
We compared 1 public filing for Constantine Tsang and found 1 difference: No amendment in the last 12 months on an offering that may still be open.
What this means These are differences between the sponsor's own SEC filings — both values, dates and sources are listed in Key records, section 4. Most have ordinary explanations; ask the sponsor.