John D'Amore is listed as an executive officer, director, and promoter on 5 SEC Form D filings by 1 issuer between May 2015 and Sep 2020: Diameter Health, Inc. (Farmington, CT — other technology — 2015–2020; $18M reported sold to 20 investors).
What this means One deal on file with the SEC. 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 Eric Rosow (5 shared filings), Matthew D. Storeygard (3 shared filings), Word D. Peake III (3 shared filings), Richard Dumler (2 shared filings), Sarah London (2 shared filings) and 6 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around John. 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.
We compared 5 public filings for John D'Amore and found 7 differences: Form D filed 22 days after the first sale; John D'Amore's role changed at Diameter Health, Inc.: executive officer, director, promoter → executive officer, director; and more below.
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.