Erik Ostrowski - Net Worth and Insider Trading
Erik Ostrowski Net Worth
The estimated net worth of Erik Ostrowski is at least $585,600 dollars as of 2026-09-11. Erik Ostrowski is the SVP, CFO, CBO & Treasurer of Akebia Therapeutics Inc and owns about 616,616 shares of Akebia Therapeutics Inc (AKBA) stock worth over $585,600. 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 2026-06-29 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 3 companies in total, including Avrobio Inc (AVRO) , Akebia Therapeutics Inc (AKBA) , and Tectonic Therapeutic Inc (TECX) .
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 | 2026-06-29 | SVP & CFO & CBO & Treasurer |
| TECX | Tectonic Therapeutic Inc | 2019-01-02 | Chief Financial Officer |
Erik Ostrowski Latest Holdings Summary
Erik Ostrowski currently owns a total of 1 stock. Erik Ostrowski owns 616,616 shares of Akebia Therapeutics Inc (AKBA) as of June 29, 2026, with a value of $585,600.
Latest Holdings of Erik Ostrowski
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| AKBA | Akebia Therapeutics Inc | 2026-06-29 | 616,616 | 0.95 | 585,600 |
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 3 transactions in Akebia Therapeutics Inc (AKBA) over the past 5 years, including 0 buys and 3 sells. The most-recent trade in Akebia Therapeutics Inc is the sale of 56,019 shares on June 29, 2026, which brought Erik Ostrowski around $62,181.
Insider Trading History of Erik Ostrowski
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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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
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 0 shares were bought by its insiders, resulting in a net sale of 0 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 02142.
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