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Distinct shells carrying a filed role for this person — not every shell they have ever touched.
Of those vehicles, the ones that closed a merger.
Announced but not closed, and still hunting.
No closed vehicle here has both a stored price and a filed trust value to score it against.
1 liquidated — weigh against the wins.
1 vehicle on file, newest listing first
Stuart Chaffee, Ph.D., is a member of our board of directors. Dr. Chaffee was the Chief Financial Officer of Praxis Precision Medicines, Inc., a clinical-stage biopharmaceutical company, from June 2020 to December 2020 and its Chief Business Officer from November 2017 to June 2020, responsible for the company’s business development, finance and operational activities. From November 2015 to November 2017, Dr. Chaffee was an Entrepreneur in Residence at Atlas Venture, where he was a co-founder and the Head of Business Operations at Kymera Therapeutics, Inc. from June 2016 to November 2017. Robert Castro, CPA, CGMA, is a member of our board of directors. Mr. Castro is the owner of Savvy Fare LLC, an accounting and consulting firm that he founded in July 2010. Prior to that, Mr. Castro was a managing director at BDO Seidman LLP, where he began his career in December 1980, served as an auditor and advisor for many public companies, and led and participated in numerous IPOs. Mr. Castro is a Certified Public Accountant and Chartered Global Management Accountant.
This record is keyed to SEC CIK 0001827759 — the identifier this person files under in their own name. Every vehicle above is a filing made under that CIK, so “the same person on two shells” is a fact about an SEC identifier rather than about a name that happens to match.
Roles are the strings the filings used, in the order they were filed. Nothing on this page ranks them, infers seniority, or offers a reason why any two of these names recur — a recurrence is a count, and the filings that produced it are linked beside every row. We also hold 9 institutional-holder rows on these vehicles, under 5 distinct name strings, and none of them is counted across vehicles: that table has no CIK column, and matching holders by name would merge firms that are not the same firm.