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Insider Trading & Ownership of Erik Ostrowski

Location
Cambridge, MA
Summary
The estimated net worth of Erik Ostrowski is at least $1,114,702 dollars as of 04 Feb 2026. Erik Ostrowski is the SVP, CFO, CBO & Treasurer of Akebia Therapeutics, Inc. and owns shares of Akebia Therapeutics, Inc. (AKBA) stock worth about $935K. Erik Ostrowski is the Interim CEO, President and CFO of AVROBIO, Inc. and owns shares of Tectonic Therapeutic, Inc. (TECX) stock worth about $179.7K.
Signature
/s/ Carolyn M. Rucci, attorney-in-fact for Erik Ostrowski
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Ownership of Erik Ostrowski

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AKBA Akebia Therapeutics, Inc. SVP, CFO, CBO & Treasurer $934,962 -$200,204 -18% 02 Feb 2026
TECX AVROBIO, Inc. Interim CEO, President and CFO $179,740 01 Feb 2024

Insider Transactions Reported by Erik Ostrowski:

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.