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Insider Trading & Ownership of James Paul Kastenmayer

Location
Gaithersburg, MD
Summary
The estimated net worth of James Paul Kastenmayer is at least $2,243 dollars as of 04 Feb 2026. James Paul Kastenmayer is the General Counsel of Aeglea BioTherapeutics, Inc. and owns shares of Spyre Therapeutics, Inc. (SYRE) stock worth about $2.2K.
Signature
/s/ James Paul Kastenmayer
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Ownership of James Paul Kastenmayer

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
SYRE Aeglea BioTherapeutics, Inc. General Counsel $2,243 23 Feb 2023
AVBP ArriVent BioPharma, Inc. General Counsel 02 Feb 2026

Insider Transactions Reported by James Paul Kastenmayer:

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.