MATTHEW WALKER is listed as a director on 6 SEC Form D filings by 2 issuers between Dec 2018 and Nov 2025: Greenlight Biosciences Inc. (Medford, MA — other technology — 2018–2020; $102.5M reported sold to 19 investors) and Solarea Bio, Inc. (Waltham, MA — biotechnology — 2020–2025; $15M reported sold to 15 investors).
What this means 2 separate companies raised money with this person listed as director, over about 7 years. Across those companies the filings report $117.5M sold in total.
1 of the issuers belongs to the sponsor group Greenlight (2 issuers, $111.3M reported sold, 2013–2020).
What this means A sponsor group is one team that sets up a new company for each deal. Greenlight has 2 companies on file and $111.3M 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 (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) — 2 SEC releases, 1 bankruptcy case 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 MATTHEW WALKER and found 8 differences: Form D filed 16 days after the first sale; 5 offerings have no amendment in the last 12 months and may still be open; 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.