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  • Insider Ownership

Insider Trading & Ownership of Adam Houghton

Location
Waltham, MA
Summary
The estimated net worth of Adam Houghton is at least $678,750 dollars as of 06 Jan 2026. Adam Houghton is the Chief Business Officer of Upstream Bio, Inc. and owns shares of Upstream Bio, Inc. (UPB) stock worth about $678.8K.
Signature
/s/ Allison Ambrose, Attorney-in-Fact
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Ownership of Adam Houghton

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
UPB Upstream Bio, Inc. Chief Business Officer $678,750 02 Jan 2026

Insider Transactions Reported by Adam Houghton:

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.