John Flavin is listed as an executive officer and director on 11 SEC Form D filings by 4 issuers between Jan 2015 and May 2025: ENDOTRONIX INC (Lisle, IL — other health care — 2018–2020; $69.3M reported sold to 52 investors), ClostraBio, Inc. (Chicago, IL — industry reported as "Other" — 2022; $9.94M reported sold to 15 investors), Portal Innovations Momentum Fund, L.P. (Chicago, IL — pooled investment fund — 2022–2025; $9.35M reported sold to 18 investors) and AltaThera Pharmaceuticals, LLC (Chicago, IL — pharmaceuticals — 2015; $3.35M reported sold to 12 investors).
What this means A repeat sponsor — 4 separate companies raised money with this person listed as executive officer and director, over about 10 years. Across those companies the filings report $91.9M sold in total.
Listed alongside PIM GP, LLC (4 shared filings, management entity), Patrick Flavin (4 shared filings), Brandon Kashfian (3 shared filings), Gerry Brunk (3 shared filings), Harry Rowland (3 shared filings) and 15 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.
2 of the issuers belong to the sponsor group Portal (2 issuers, $19.3M reported sold, 2022–2025).
What this means A sponsor group is one team that sets up a new company for each deal. Portal has 2 companies on file and $19.3M 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) — 4 bankruptcy cases matching the name listed in Key records below.
What this means 4 records came back. Each one is listed below with a link to the original document and a line saying why it matched. A name match is not proof it is the same person or company — read the why line and the document. Being sued or named in a release is an accusation, not a finding.
We compared 11 public filings for John Flavin and found 9 differences, 2 worth asking the sponsor about: Form D filed 109 days after the first sale; Form D filed 322 days after the first sale; 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.