Updated: May 18, 2026

Stephen Rosenfield

GERNGERON CORPSEC CIK: 0001238623
Estimated Net Worth
$3.63 Million
Last Updated: May 18, 2026 03:04 PM EST

Transaction Summary

Total Transactions28
Buy-Sell Ratio11.50
Buy Transactions23
Sell Transactions2

Transaction Volume

Total Volume$7.99M
Net Volume-$7.41M
Buy Volume$289.6K
Sell Volume$7.7M

Trade Analysis

AVG Trade Size$285.23K
Largest Trade$4.13M
Most Active MonthFeb
Most Active Year2005

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Stephen Rosenfield has an estimated net worth of $3.63 Million. This is based on reported shares across multiple companies, which include TERCICA INC, GERON CORP, and INTERMUNE INC.



2018 was Stephen Rosenfield's most active year for acquiring shares with 8 total transactions. Stephen Rosenfield's most active month to acquire stocks was the month of July. 2018 was Stephen Rosenfield's most active year for disposing of shares, totalling 14 transactions. Stephen Rosenfield's most active month to dispose stocks was the month of July. 2018 saw Stephen Rosenfield paying a total of $2,572,745.00 for 1,662,250 shares, this is the most they've acquired in one year. In 2018 Stephen Rosenfield cashed out on 2,724,500 shares for a total of $6,143,747.50, their largest year based on trade value.

Holdings & Transactions

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