Michael Derby is listed as an executive officer and director on 6 SEC Form D filings by 4 issuers between Oct 2016 and Jul 2022: Castle Creek Biosciences, Inc. (Exton, PA — biotechnology — 2018; $560.5M reported sold to 54 investors), Castle Creek Pharmaceuticals, LLC (Bedminster, NJ — pharmaceuticals — 2016; $48M reported sold to 6 investors), PaxMedica, Inc. (Tarrytown, NY — biotechnology — 2020–2022; $3M reported sold to 3 investors) and Visiox Pharma, LLC (Tarrytown, NY — pharmaceuticals — 2022; $1.3M reported sold to 14 investors).
What this means A repeat sponsor — 4 separate companies raised money with this person listed as executive officer and director, over about 6 years. Across those companies the filings report $612.8M sold in total.
Listed alongside ANTONIO GRACIAS (3 shared filings), Jeffrey Aronin (3 shared filings), Patrick J. Morris (3 shared filings), Timothy Cunniff (3 shared filings), Zachary Rome (3 shared filings) and 9 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Michael. Each name links to their own page.
The issuers belong to 2 sponsor groups: Paxmedica (2 issuers, $2.45M reported sold, 2020–2022) and Paragon Biosciences (8 issuers, $446.3M reported sold, 2016–2025).
What this means This person is listed across more than one sponsor team; each group page shows that team's full track record.
Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — 3 bankruptcy cases matching the name listed in Key records below.
What this means 3 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 6 public filings for Michael Derby and found 6 differences: No amendment in the last 12 months on an offering that may still be open; Same name, different state: "Michael Derby" (A8) is a separate record; 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.