Updated: May 19, 2026

Thomas O Daniel

GOSSGossamer Bio, Inc.SEC CIK: 0001538894
Estimated Net Worth
$28.2 Million
Last Updated: May 19, 2026 03:03 AM EST

Transaction Summary

Total Transactions64
Buy-Sell Ratio2.87
Buy Transactions43
Sell Transactions15

Transaction Volume

Total Volume$27.46M
Net Volume-$20.7M
Buy Volume$3.38M
Sell Volume$24.08M

Trade Analysis

AVG Trade Size$429.09K
Largest Trade$3.73M
Most Active MonthJun
Most Active Year2013

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

Thomas O Daniel has an estimated net worth of $28.2 Million. This is based on reported shares across multiple companies, which include Gossamer Bio, Inc., Magenta Therapeutics, Inc., ZAFGEN, INC., Epizyme, Inc., Juno Therapeutics, Inc., and CELGENE CORP /DE/.



2015 was Thomas O Daniel's most active year for acquiring shares with 22 total transactions. Thomas O Daniel's most active month to acquire stocks was the month of May. 2015 was Thomas O Daniel's most active year for disposing of shares, totalling 21 transactions. Thomas O Daniel's most active month to dispose stocks was the month of July. 2013 saw Thomas O Daniel paying a total of $4,676,423.51 for 150,524 shares, this is the most they've acquired in one year. In 2014 Thomas O Daniel cashed out on 190,852 shares for a total of $12,438,866.19, their largest year based on trade value.

Holdings & Transactions

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