Eric K Rowinsky - Net Worth and Insider Trading
Eric K Rowinsky Net Worth
The estimated net worth of Eric K Rowinsky is at least $6 Million dollars as of 2026-08-11. Eric K Rowinsky is the Director of Biogen Inc and owns about 20,629 shares of Biogen Inc (BIIB) stock worth over $4 Million. Eric K Rowinsky is the Chief Medical Officer of Stemline Therapeutics Inc and owns about 143,688 shares of Stemline Therapeutics Inc (STML) stock worth over $2 Million. Eric K Rowinsky is also the Director of Fortress Biotech Inc and owns about 48,000 shares of Fortress Biotech Inc (FBIO) stock worth over $132,000. Besides these, Eric K Rowinsky also holds Verastem Inc (VSTM) , Navidea Biopharmaceuticals Inc (NAVBQ) . Details can be seen in Eric K Rowinsky'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 Eric K Rowinsky has not made any transactions after 2024-02-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Eric K Rowinsky
Eric K Rowinsky Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Eric K Rowinsky owns 7 companies in total, including Verastem Inc (VSTM) , Biogen Inc (BIIB) , and Fortress Biotech Inc (FBIO) among others .
Click here to see the complete history of Eric K Rowinsky’s form 4 insider trades.
Insider Ownership Summary of Eric K Rowinsky
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| VSTM | Verastem Inc | 2018-12-31 | director |
| BIIB | Biogen Inc | 2024-02-15 | director |
| FBIO | Fortress Biotech Inc | 2021-03-02 | director |
 | | 2014-11-10 | director |
| | 2016-08-29 | director |
| | 2015-04-27 | Chief Medical Officer |
| | 2010-02-02 | director |
Eric K Rowinsky Latest Holdings Summary
Eric K Rowinsky currently owns a total of 5 stocks. Among these stocks, Eric K Rowinsky owns 20,629 shares of Biogen Inc (BIIB) as of February 15, 2024, with a value of $4 Million and a weighting of 69.98%. Eric K Rowinsky owns 143,688 shares of Stemline Therapeutics Inc (STML) as of April 27, 2015, with a value of $2 Million and a weighting of 27.84%. Eric K Rowinsky also owns 48,000 shares of Fortress Biotech Inc (FBIO) as of March 2, 2021, with a value of $132,000 and a weighting of 2.16%. The other 2 stocks Verastem Inc (VSTM) , Navidea Biopharmaceuticals Inc (NAVBQ) have a combined weighting of 0.02% among all his current holdings.
Latest Holdings of Eric K Rowinsky
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| BIIB | Biogen Inc | 2024-02-15 | 20,629 | 207.13 | 4,272,885 |
| STML | Stemline Therapeutics Inc | 2015-04-27 | 143,688 | 11.83 | 1,699,829 |
| FBIO | Fortress Biotech Inc | 2021-03-02 | 48,000 | 2.75 | 132,000 |
| VSTM | Verastem Inc | 2017-09-05 | 167 | 6.81 | 1,137 |
| NAVBQ | Navidea Biopharmaceuticals Inc | 2011-08-19 | 750 | 0.00 | 0 |
Holding Weightings of Eric K Rowinsky
Eric K Rowinsky Form 4 Trading Tracker
According to the SEC Form 4 filings, Eric K Rowinsky has made a total of 1 transactions in Biogen Inc (BIIB) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Biogen Inc is the acquisition of 455 shares on February 15, 2024, which cost Eric K Rowinsky around $101,256.
According to the SEC Form 4 filings, Eric K Rowinsky has made a total of 0 transactions in Stemline Therapeutics Inc (STML) over the past 5 years. The most-recent trade in Stemline Therapeutics Inc is the sale of 10,824 shares on April 27, 2015, which brought Eric K Rowinsky around $170,694.
According to the SEC Form 4 filings, Eric K Rowinsky has made a total of 0 transactions in Fortress Biotech Inc (FBIO) over the past 5 years. The most-recent trade in Fortress Biotech Inc is the sale of 2,000 shares on March 2, 2021, which brought Eric K Rowinsky around $127,200.
More details on Eric K Rowinsky's insider transactions can be found in the Insider Trading History of Eric K Rowinsky table.Insider Trading History of Eric K Rowinsky
* 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.
- 1
Eric K Rowinsky Trading Performance
GuruFocus tracks the stock performance after each of Eric K Rowinsky's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Eric K Rowinsky is -0.89%. GuruFocus also compares Eric K Rowinsky's trading performance to market benchmark return within the same time period. The performance of stocks bought by Eric K Rowinsky within 3 months outperforms 0 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Eric K Rowinsky's insider trading performs compared to the benchmark.
Performance of Eric K Rowinsky
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 14.89 | | | | | |
| Relative Return to S&P 500(%) | 10.64 | | | | | |
Eric K Rowinsky Ownership Network
Ownership Network List of Eric K Rowinsky
Ownership Network Relation of Eric K Rowinsky
Eric K Rowinsky Owned Company Details
What does Verastem Inc do?
Who are the key executives at Verastem Inc?
Eric K Rowinsky is the director of Verastem Inc. Other key executives at Verastem Inc include Chief Operating Officer Dan Paterson , Vice President of Finance Daniel Calkins , and Chief Financial Officer Robert E. Gagnon .
Verastem Inc (VSTM) Insider Trades Summary
Over the past 18 months, Eric K Rowinsky made no insider transaction in Verastem Inc (VSTM). Other recent insider transactions involving Verastem Inc (VSTM) include a net sale of 145,568 shares made by Dan Paterson , a net sale of 24,659 shares made by Daniel Calkins , and a net sale of 2,366 shares made by Brian M Stuglik .
In summary, during the past 3 months, insiders sold 26,262 shares of Verastem Inc (VSTM) in total and bought 0 shares, with a net sale of 26,262 shares. During the past 18 months, 196,858 shares of Verastem Inc (VSTM) were sold and 0 shares were bought by its insiders, resulting in a net sale of 196,858 shares.
Verastem Inc (VSTM)'s detailed insider trading history can be found in Insider Trading Tracker table.
Verastem Inc Insider Transactions
Eric K Rowinsky Mailing Address
Above is the net worth, insider trading, and ownership report for Eric K Rowinsky. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Eric K Rowinsky's mailing address is: New York Ny 10014.
We'd love to learn more about your experiences on GuruFocus.com and how we can improve!
Take Survey
