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Insider Trading & Ownership of DAVID S. GRAYZEL

Location
Cambridge, MA
Summary
The estimated net worth of DAVID S. GRAYZEL is at least $50,887,482 dollars as of 27 Oct 2025. DAVID S. GRAYZEL is the Director of Aerovate Therapeutics, Inc. and owns shares of Jade Biosciences, Inc. (JBIO) stock worth about $50.85M. DAVID S. GRAYZEL is the Director of Q32 Bio Inc. and owns shares of Q32 Bio Inc. (QTTB) stock worth about $34.5K.
Signature
/s/ Eric Bell, Attorney-in-Fact
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Ownership of DAVID S. GRAYZEL

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
JBIO Jade Biosciences, Inc. Director $50,853,006 05 Jun 2024
QTTB Q32 Bio Inc. Director $34,476 23 Oct 2025
SURF Surface Oncology, Inc. Director 08 Sep 2023

Insider Transactions Reported by DAVID S. GRAYZEL:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.