Updated: May 19, 2026

Eric K Rowinsky

BIIBBIOGEN INC.SEC CIK: 0001318886
Estimated Net Worth
$17.3 Million
Last Updated: May 19, 2026 01:54 AM EST

Transaction Summary

Total Transactions79
Buy-Sell Ratio4.00
Buy Transactions56
Sell Transactions14

Transaction Volume

Total Volume$11.79M
Net Volume-$11.09M
Buy Volume$348.47K
Sell Volume$11.44M

Trade Analysis

AVG Trade Size$149.2K
Largest Trade$4.84M
Most Active MonthJun
Most Active Year2015

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

Loading chart

Monthly Trading Pattern

Loading chart

Past Insider Trading and Trends

Eric K Rowinsky has an estimated net worth of $17.3 Million. This is based on reported shares across multiple companies, which include BIOGEN INC., BIND Therapeutics, Inc, Verastem, Inc., NEOPROBE CORP, Fortress Biotech, Inc., ADVENTRX PHARMACEUTICALS INC, STEMLINE THERAPEUTICS INC, TAPESTRY PHARMACEUTICALS, INC, and IMCLONE SYSTEMS INC/DE.



2015 was Eric K Rowinsky's most active year for acquiring shares with 10 total transactions. Eric K Rowinsky's most active month to acquire stocks was the month of May. 2015 was Eric K Rowinsky's most active year for disposing of shares, totalling 10 transactions. Eric K Rowinsky's most active month to dispose stocks was the month of February. 2015 saw Eric K Rowinsky paying a total of $1,395,780.06 for 232,608 shares, this is the most they've acquired in one year. In 2015 Eric K Rowinsky cashed out on 59,130 shares for a total of $10,685,355.03, their largest year based on trade value.

Holdings & Transactions

Loading…
Loading…
Loading…
Loading…
Loading…
Loading…
Loading…
Loading…
Loading…