Updated: May 19, 2026

Isaac Blech

CFRXCONTRAFECT CorpSEC CIK: 0000905536
Estimated Net Worth
$264 Million
Last Updated: May 19, 2026 03:50 AM EST

Transaction Summary

Total Transactions98
Buy-Sell Ratio17.75
Buy Transactions71
Sell Transactions4

Transaction Volume

Total Volume$26.04M
Net Volume$26.04M
Buy Volume$26.04M
Sell Volume$6.7

Trade Analysis

AVG Trade Size$265.68K
Largest Trade$7.19M
Most Active MonthMar
Most Active Year2016

Trading Sentiment

OverallBullish
Recent TradeNeutral
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

Isaac Blech has an estimated net worth of $264 Million. This is based on reported shares across multiple companies, which include Marina Biotech, Inc., GreenHouse Holdings, Inc., InspireMD, Inc., CONTRAFECT Corp, Edge Therapeutics, Inc., Aridis Pharmaceuticals, Inc., Stratus Media Group, Inc, X4 Pharmaceuticals, Inc, Cerecor Inc., BillMyParents, Inc., MEDGENICS, INC., root9B Technologies, Inc., and PROELITE, INC..



2012 was Isaac Blech's most active year for acquiring shares with 15 total transactions. Isaac Blech's most active month to acquire stocks was the month of February. 2014 was Isaac Blech's most active year for disposing of shares, totalling 4 transactions. Isaac Blech's most active month to dispose stocks was the month of October. 2015 saw Isaac Blech paying a total of $5,176,856.80 for 4,618,713 shares, this is the most they've acquired in one year. In 2015 Isaac Blech cashed out on 4,544,047 shares for a total of $3,299,999.78, their largest year based on trade value.

Holdings & Transactions

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