Jon Lieber is listed as an executive officer on 2 SEC Form D filings by 2 issuers between Feb 2011 and Aug 2019: Checkmate Pharmaceuticals, Inc. (Cambridge, MA — biotechnology — 2019; $85.1M reported sold to 17 investors) and Xcellerex, Inc. (Marlborough, MA — industry reported as "Other" — 2011; $1.96M reported sold to 3 investors).
What this means 2 separate companies raised money with this person listed as executive officer, over about 8 years. Across those companies the filings report $87M sold in total.
Listed alongside Alan Fuhrman (1 shared filing), Arthur Krieg (1 shared filing), Barry Labinger (1 shared filing), Ben Auspitz (1 shared filing), Boris Lipkin (1 shared filing) and 11 others.
What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Jon. Each name links to their own page.
Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — none found.
What this means Nothing turned up where we looked (3 sources). That does not prove there is nothing — it means none was found in those sources on that date.
We compared 2 public filings for Jon Lieber and found 2 differences, 1 worth asking the sponsor about: Jon Lieber is no longer listed on the Jan 28, 2020 amendment; 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.