David Guyer is listed as an executive officer and director on 32 SEC Form D filings by 9 issuers between Sep 2008 and Apr 2026. Largest by amount reported sold: Aviceda Therapeutics, Inc. (Cambridge, MA — biotechnology — 2024–2025; $75M reported sold to 18 investors), Life Biosciences LLC (Boston, MA — industry reported as "Other" — 2026; $74.8M reported sold to 45 investors), PanOptica, Inc. (Mt. Arlington, NJ — biotechnology — 2010–2019; $40.7M reported sold to 6 investors), Link Medicine Corp (Cambridge, MA — biotechnology — 2008–2011; $40M reported sold to 16 investors), LUX BIOSCIENCES INC (Jersey City, NJ — biotechnology — 2009–2012; $37.9M reported sold to 10 investors) and 4 more (all listed below).
What this means A repeat sponsor — 9 separate companies raised money with this person listed as executive officer and director, over about 18 years. Across those companies the filings report $345.3M sold in total.
Listed alongside Thomas Dyrberg (16 shared filings), Paul Chaney (13 shared filings), Axel Bolte (12 shared filings), Lutz Giebel (11 shared filings), Bruce Peacock (7 shared filings) and 65 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around David. Each name links to their own page.
Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AK, AL, AR, AZ, CA, CT, DE, FINRA, GA, HI, ID, IL, KS, KY, LA, MA, MD, ME, MI, MO, MS, MT, NASAA, NC, ND, NH, NM, NV, OK, OR, PA, RI, SC, SD, TN, TX, VT, WA, WI, WV, WY) — 9 bankruptcy cases matching the name listed in Key records below.
What this means 9 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 32 public filings for David Guyer and found 16 differences, 3 worth asking the sponsor about: Bankruptcy case: David B Guyer; Bankruptcy case: David Guyer and E Joyce Guyer; 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.