Michael Mason is listed as an executive officer and director on 3 SEC Form D filings by 3 issuers between May 2009 and Dec 2022: Karyopharm Therapeutics Inc. (Newton, MA — pharmaceuticals — 2022; $165M reported sold to 33 investors), Boston Out-Patient Surgical Suites, L.L.C. (Waltham, MA — other health care — 2009; $161K reported sold to 5 investors) and Waltham Administrative Management, L.L.C. (Waltham, MA — other health care — 2009; $146K reported sold to 5 investors).
What this means A repeat sponsor — 3 separate companies raised money with this person listed as executive officer and director, over about 13 years. Across those companies the filings report $165.3M sold in total.
Listed alongside Alan S Curtis (2 shared filings), Andrew L Terrono (2 shared filings), Anthony Schena (2 shared filings), Arnold Scheller (2 shared filings), Barry Simmons (2 shared filings) and 27 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.
2 of the issuers belong to the sponsor group Group linked by Thomas Bombardier (2 issuers, $307K reported sold, 2009).
What this means A sponsor group is one team that sets up a new company for each deal. Group linked by Thomas Bombardier has 2 companies on file and $307K 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) — 4 bankruptcy cases matching the name listed in Key records below.
What this means 4 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 3 public filings for Michael Mason and found 6 differences: Form D filed 27 days after the first sale; Same name, different state: "Michael Mason" (CA) 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.