Jonathan Leff is listed as a director on 3 SEC Form D filings by 3 issuers between Aug 2017 and Nov 2024: Aerovate Therapeutics, Inc. (Boston, MA — pharmaceuticals — 2020; $75.8M reported sold to 9 investors), Axonis Therapeutics, Inc. (Boston, MA — biotechnology — 2024; $46M reported sold to 19 investors) and PROTEON THERAPEUTICS INC (Waltham, MA — biotechnology — 2017; $29.6M reported sold to 22 investors).
What this means A repeat sponsor — 3 separate companies raised money with this person listed as director, over about 7 years. Across those companies the filings report $151.4M sold in total.
Listed alongside Benjamin T. Dake (1 shared filing), Brock Reeve (1 shared filing), Corey Goodman (1 shared filing), Daniel P. Gottlieb (1 shared filing), David Grayzel (1 shared filing) and 19 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Jonathan. 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) — 1 bankruptcy case matching the name listed in Key records below.
What this means 1 record 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 3 public filings for Jonathan Leff and found 6 differences: No amendment in the last 12 months on an offering that may still be open; Same name, different state: "Jonathan Leff" (CA or NY or CT or CO or WA or MD or L3) 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.