Erik Ostrowski - Net Worth and Insider Trading
Erik Ostrowski Net Worth
The estimated net worth of Erik Ostrowski is at least $2 Million dollars as of 2025-07-23. Erik Ostrowski is the SVP, CFO, CBO & Treasurer of Akebia Therapeutics Inc and owns about 503,586 shares of Akebia Therapeutics Inc (AKBA) stock worth over $2 Million. Details can be seen in Erik Ostrowski's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Erik Ostrowski has not made any transactions after 2025-06-30 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Erik Ostrowski
Erik Ostrowski Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Erik Ostrowski owns 2 companies in total, including Avrobio Inc (AVRO) , and Akebia Therapeutics Inc (AKBA) .
Click here to see the complete history of Erik Ostrowski’s form 4 insider trades.
Insider Ownership Summary of Erik Ostrowski
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
AVRO | Avrobio Inc | 2019-01-02 | Chief Financial Officer |
AKBA | Akebia Therapeutics Inc | 2024-06-24 | SVP & CFO & CBO & Treasurer |
Erik Ostrowski Latest Holdings Summary
Erik Ostrowski currently owns a total of 1 stock. Erik Ostrowski owns 503,586 shares of Akebia Therapeutics Inc (AKBA) as of June 30, 2025, with a value of $2 Million.
Latest Holdings of Erik Ostrowski
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
AKBA | Akebia Therapeutics Inc | 2025-06-30 | 503,586 | 3.85 | 1,938,806 |
Holding Weightings of Erik Ostrowski
Erik Ostrowski Form 4 Trading Tracker
According to the SEC Form 4 filings, Erik Ostrowski has made a total of 1 transactions in Akebia Therapeutics Inc (AKBA) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Akebia Therapeutics Inc is the sale of 41,314 shares on June 30, 2025, which brought Erik Ostrowski around $151,622.
Insider Trading History of Erik Ostrowski
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Erik Ostrowski Trading Performance
Erik Ostrowski Ownership Network
Ownership Network List of Erik Ostrowski
Ownership Network Relation of Erik Ostrowski

Erik Ostrowski Owned Company Details
What does Avrobio Inc do?
Who are the key executives at Avrobio Inc?
Erik Ostrowski is the Chief Financial Officer of Avrobio Inc. Other key executives at Avrobio Inc include Chief Technology Officer Azadeh Golipour , Chief Medical Officer Essra Ridha , and Chief Scientific Officer Christopher Mason .
Avrobio Inc (AVRO) Insider Trades Summary
Over the past 18 months, Erik Ostrowski made no insider transaction in Avrobio Inc (AVRO). Other recent insider transactions involving Avrobio Inc (AVRO) include a net purchase of 766,635 shares made by Braden Michael Leonard ,
In summary, during the past 3 months, insiders sold 0 shares of Avrobio Inc (AVRO) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Avrobio Inc (AVRO) were sold and 63,886 shares were bought by its insiders, resulting in a net purchase of 63,886 shares.
Avrobio Inc (AVRO)'s detailed insider trading history can be found in Insider Trading Tracker table.
Avrobio Inc Insider Transactions
Erik Ostrowski Mailing Address
Above is the net worth, insider trading, and ownership report for Erik Ostrowski. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Erik Ostrowski's mailing address is: Cambridge Ma 02139.